Overview

overview

10

Static

static

d6dd2afabd...99.exe

windows7-x64

10

d6dd2afabd...99.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    d6dd2afabd3a2da675d616501c668af3ae6ed9951ff5507f5b283399b8c94199

  • Size

    834KB

  • Sample

    221123-xag2fsed35

  • MD5

    b1c50a7fc4f9065eb4d146e99b3ba8c9

  • SHA1

    e05cae1327a90d4758c55a82dace360a71ae878c

  • SHA256

    d6dd2afabd3a2da675d616501c668af3ae6ed9951ff5507f5b283399b8c94199

  • SHA512

    8f3a1647be8d5a962e555be12f9f03da897d8b67d404c4b15cde4565662d129384f8bb882cd384a7e2bced0e7b885520f040896216f7f10e95399da2f75c8178

  • SSDEEP

    12288:p+yR54BjPCAmvE6R71Ti/AAyvQo4ypD6tfn+60XhD14H/ZEg3Mk5RHdYO6IWsl:p+dBirR7hP4oFx69+Dx54REXk5R9YUl

Score
10/10
darkcometvictimspersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Victims

C2

mrchbk.noip.me:2123

Mutex

DC_MUTEX-EZ6YFTY

Attributes
  • gencode

    4FUM8Qy2Ej7F

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Targets

    • Target

      d6dd2afabd3a2da675d616501c668af3ae6ed9951ff5507f5b283399b8c94199

    • Size

      834KB

    • MD5

      b1c50a7fc4f9065eb4d146e99b3ba8c9

    • SHA1

      e05cae1327a90d4758c55a82dace360a71ae878c

    • SHA256

      d6dd2afabd3a2da675d616501c668af3ae6ed9951ff5507f5b283399b8c94199

    • SHA512

      8f3a1647be8d5a962e555be12f9f03da897d8b67d404c4b15cde4565662d129384f8bb882cd384a7e2bced0e7b885520f040896216f7f10e95399da2f75c8178

    • SSDEEP

      12288:p+yR54BjPCAmvE6R71Ti/AAyvQo4ypD6tfn+60XhD14H/ZEg3Mk5RHdYO6IWsl:p+dBirR7hP4oFx69+Dx54REXk5R9YUl

    Score
    10/10
    darkcometvictimspersistencerattrojan

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

      trojanratdarkcomet

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks