Overview

overview

10

Static

static

10

18d46ddaa7...18.exe

windows7-x64

10

18d46ddaa7...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    18d46ddaa7b3c6afae42058a273789ce_JaffaCakes118

  • Size

    750KB

  • Sample

    240628-ffz1savcnj

  • MD5

    18d46ddaa7b3c6afae42058a273789ce

  • SHA1

    62da1f56cf1792ffc096e56eba14151a274320cc

  • SHA256

    bdd3d2eb31328c3e93623405e820a51b154954ab26008a10072960a99b204e2e

  • SHA512

    ffd39b63ef234314db54e5e1b12aed7bedf661d1e66d3e6ea5c21ceef4b7a176b61131f566e5dfba304da8dd3db8852396d7bbe7f8320bbef0150250ca3c1e75

  • SSDEEP

    12288:kk0QVlhmPojAPTMEsUTg0oChO/Q2JbsbjPbN5qhRTtYe3f+Iw86k/9/+4:V0QRWoJEfg0oChGdJQbjPbNW5tYeP+GL

Score
10/10
darkcometguest16persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

remila.no-ip.biz:1604

Mutex

DC_MUTEX-20J85XY

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    NoNpEFiHHBFZ

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      18d46ddaa7b3c6afae42058a273789ce_JaffaCakes118

    • Size

      750KB

    • MD5

      18d46ddaa7b3c6afae42058a273789ce

    • SHA1

      62da1f56cf1792ffc096e56eba14151a274320cc

    • SHA256

      bdd3d2eb31328c3e93623405e820a51b154954ab26008a10072960a99b204e2e

    • SHA512

      ffd39b63ef234314db54e5e1b12aed7bedf661d1e66d3e6ea5c21ceef4b7a176b61131f566e5dfba304da8dd3db8852396d7bbe7f8320bbef0150250ca3c1e75

    • SSDEEP

      12288:kk0QVlhmPojAPTMEsUTg0oChO/Q2JbsbjPbN5qhRTtYe3f+Iw86k/9/+4:V0QRWoJEfg0oChGdJQbjPbNW5tYeP+GL

    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.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • 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

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks