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Sat, 03/25/2017 - 03:00

Gen.Variant.FAkeAlert.105_2d06772ece

HEUR:Trojan.Win32.Generic (Kaspersky), Gen:Variant.FAkeAlert.105 (B) (Emsisoft), Gen:Variant.FAkeAlert.105 (AdAware), SpyTool.Win32.Ardamax.FD, GenericEmailWorm.YR (Lavasoft MAS) Behaviour: Trojan, Worm, EmailWorm, SpyTool

The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.

Summary
Dynamic Analysis
Static Analysis
Network Activity
Map
Strings from Dumps
Removals

Summary

MD5: 2d06772ece8ae1e51e85a752f9f36691

SHA1: 77ea523921d6783f77c3eb42a77ab20eec7b8e32

SHA256: 40cd28400de9d22a70f174a75f497f64055c94a92cf9bdf445fef76190b66cd9

SSDeep: 49152:4W3aS7lUDuaC7d2h8vBuGPea1dQWDct0KRvKsIYAzcuRjdg7:4WqClmrh8wG2a1dQWDct0 vpIYAz35g

Size: 2376704 bytes

File type: EXE

Platform: WIN32

Entropy: Packed

PEID: UPolyXv05_v6

Company: no certificate found

Created at: 2016-11-29 03:06:16

Analyzed on: Windows7 SP1 32-bit

Summary: Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).

Dynamic Analysis

Payload

Behaviour Description
EmailWormWorm can send e-mails.


Process activity

The Trojan creates the following process(es):

%original file name%.exe:1908

The Trojan injects its code into the following process(es):

DllHost.exe:2600
KYJ.exe:1780

Mutexes

The following mutexes were created/opened: No objects were found.

File activity

The process %original file name%.exe:1908 makes changes in the file system.


The Trojan creates and/or writes to the following file(s):

C:\Untitled.png (37 bytes)
C:\ProgramData\VMFPQD\KYJ.01 (81 bytes)
C:\ProgramData\VMFPQD\KYJ.00 (2 bytes)
C:\ProgramData\VMFPQD\KYJ.exe (148 bytes)
C:\ProgramData\VMFPQD\KYJ.02 (55 bytes)

The process KYJ.exe:1780 makes changes in the file system.


The Trojan creates and/or writes to the following file(s):

C:\ProgramData\VMFPQD\KYJ.01 (81 bytes)
C:\ProgramData\VMFPQD\KYJ.02 (57 bytes)

Registry activity

The process DllHost.exe:2600 makes changes in the system registry.


The Trojan creates and/or sets the following values in system registry:

[HKCU\Software\Microsoft\Direct3D\MostRecentApplication]
"Name" = "DllHost.exe"

The process %original file name%.exe:1908 makes changes in the system registry.


The Trojan creates and/or sets the following values in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached]
"{FFE2A43C-56B9-4BF5-9A79-CC6D4285608A} {00000122-0000-0000-C000-000000000046} 0xFFFF" = "01 00 00 00 00 00 00 00 9A 42 3E 4C 38 A4 D2 01"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"AutoDetect" = "1"

[HKCU\Software\Microsoft\Direct3D\MostRecentApplication]
"Name" = "%original file name%.exe"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "0"

The Trojan deletes the following value(s) in system registry:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass"
"IntranetName"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName"

The process KYJ.exe:1780 makes changes in the system registry.


The Trojan creates and/or sets the following values in system registry:


To automatically run itself each time Windows is booted, the Trojan adds the following link to its file to the system registry autorun key:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"KYJ Start" = "C:\ProgramData\VMFPQD\KYJ.exe"

Dropped PE files

MD5 File path
677892e571baed3b0cd45034d1d2b526c:\ProgramData\VMFPQD\KYJ.01
c97340758a8cc51c7d8e4e7a948e8034c:\ProgramData\VMFPQD\KYJ.02
38748d0c113190d91f055c411a673fc9c:\ProgramData\VMFPQD\KYJ.exe
677892e571baed3b0cd45034d1d2b526c:\Users\All Users\VMFPQD\KYJ.01
c97340758a8cc51c7d8e4e7a948e8034c:\Users\All Users\VMFPQD\KYJ.02
38748d0c113190d91f055c411a673fc9c:\Users\All Users\VMFPQD\KYJ.exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

Removals

Remove it with Ad-Aware

  1. Click (here) to download and install Ad-Aware Free Antivirus.
  2. Update the definition files.
  3. Run a full scan of your computer.

Manual removal*

  1. Terminate malicious process(es) (How to End a Process With the Task Manager):

    %original file name%.exe:1908

  2. Delete the original Trojan file.
  3. Delete or disinfect the following files created/modified by the Trojan:

    C:\Untitled.png (37 bytes)
    C:\ProgramData\VMFPQD\KYJ.01 (81 bytes)
    C:\ProgramData\VMFPQD\KYJ.00 (2 bytes)
    C:\ProgramData\VMFPQD\KYJ.exe (148 bytes)
    C:\ProgramData\VMFPQD\KYJ.02 (55 bytes)

  4. Delete the following value(s) in the autorun key (How to Work with System Registry):

    [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
    "KYJ Start" = "C:\ProgramData\VMFPQD\KYJ.exe"

  5. Reboot the computer.
*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

Static Analysis

VersionInfo

No information is available.

No information is available.

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
.text409639780399364.43265eedbd97577efee705799e5088d631754
.rdata45056902492163.80362e90f05f88c415780d3f266cca5fc7161
.data57344803235841.589145929457daefb2fbd1c5231b40b14c60e
.rsrc65536231762823178245.32031064b5f6b6a687f980dd90fa9855172f7
.reloc2383872473451202.507559365d91ef544c8a55cfdf3c3e67a58cc

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Network Activity

URLs

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

Map

The Trojan connects to the servers at the folowing location(s):

Strings from Dumps