Overview

overview

10

Static

static

643360deb1...91.exe

windows7_x64

10

643360deb1...91.exe

windows10_x64

10

Sharing

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General

  • Target

    643360deb1ae0864baad3e8c8edea7ee5693720fe9fad84b4ddac29cb5f63891.exe

  • Size

    758KB

  • Sample

    201109-tv6sa1cgkn

  • MD5

    363b1f1af6f481e6498a1195272abe79

  • SHA1

    9712b3c3df12c673623fd392adb97b239986fed4

  • SHA256

    dcee7332f062683247eeb635ffea3a09c742e19bb0ea0f717b43bc1663195fd7

  • SHA512

    e4f1490741fbe4ccd51f22e45e9c76a889492f47c45085cac9f38b7b7589d4733c3db01e1a2033a56640141f4d00660fe9a58589348a39613d58db279616d758

Score
10/10
darkcometguest16persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

37.53.94.245:1604

Mutex

DC_MUTEX-CA3JPES

Attributes
  • InstallPath

    MSDCSC\msdcsa.exe

  • gencode

    NTfqNtVkHorv

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      643360deb1ae0864baad3e8c8edea7ee5693720fe9fad84b4ddac29cb5f63891.exe

    • Size

      758KB

    • MD5

      363b1f1af6f481e6498a1195272abe79

    • SHA1

      9712b3c3df12c673623fd392adb97b239986fed4

    • SHA256

      dcee7332f062683247eeb635ffea3a09c742e19bb0ea0f717b43bc1663195fd7

    • SHA512

      e4f1490741fbe4ccd51f22e45e9c76a889492f47c45085cac9f38b7b7589d4733c3db01e1a2033a56640141f4d00660fe9a58589348a39613d58db279616d758

    Score
    10/10
    darkcometguest16persistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks