Overview

overview

10

Static

static

3

291332ea0c...18.exe

windows7-x64

10

291332ea0c...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    291332ea0cecabac4d6c9e864e85df95_JaffaCakes118

  • Size

    753KB

  • Sample

    240706-wfww5axepm

  • MD5

    291332ea0cecabac4d6c9e864e85df95

  • SHA1

    cd3003d0ca91f46c5d18417fd4414ece2178226d

  • SHA256

    72f3e696793b25c8d5f48722e1741445a3aff976e2e5b519f165c977da10ea8c

  • SHA512

    641209e8b9ea0e68e693c760dd94ae34c1d2928dadc9fb1cec008dbeeb728339a538e2d9d2db0a5a3ba1210173232559ed6723c8a155ca7e27c6b31698879d11

  • SSDEEP

    12288:oPTWPOilAHKXRmMjHrRB54hX2vYzvVjSC4Kj32cDiY+C5:qTW2iUmhrESAT+C5

Score
10/10
darkcometguest16persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

momo44.no-ip.biz:1604

Mutex

DC_MUTEX-F54S21D

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    iKLYhANo77ib

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdatescd

Targets

    • Target

      291332ea0cecabac4d6c9e864e85df95_JaffaCakes118

    • Size

      753KB

    • MD5

      291332ea0cecabac4d6c9e864e85df95

    • SHA1

      cd3003d0ca91f46c5d18417fd4414ece2178226d

    • SHA256

      72f3e696793b25c8d5f48722e1741445a3aff976e2e5b519f165c977da10ea8c

    • SHA512

      641209e8b9ea0e68e693c760dd94ae34c1d2928dadc9fb1cec008dbeeb728339a538e2d9d2db0a5a3ba1210173232559ed6723c8a155ca7e27c6b31698879d11

    • SSDEEP

      12288:oPTWPOilAHKXRmMjHrRB54hX2vYzvVjSC4Kj32cDiY+C5:qTW2iUmhrESAT+C5

    Score
    10/10
    darkcometguest16persistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Checks computer location settings

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

    • 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 v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks