Overview

overview

10

Static

static

3

303cd80141...18.exe

windows7-x64

10

303cd80141...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    303cd80141c8f3e359f3bde3d11dac38_JaffaCakes118

  • Size

    2.0MB

  • Sample

    240709-nwjyhathjb

  • MD5

    303cd80141c8f3e359f3bde3d11dac38

  • SHA1

    ec0c20f7c730a3c716e03cf8833dfe8b4e67a7a6

  • SHA256

    5fb32f1e360563120ff07f799baf671138495aec10b05b3bd7aa86775c0aef15

  • SHA512

    935d619e093d972613228f5eb6cd183e614709c992d56fbb0dbcfdbe3d1a2e39c15991faba777f256a33d2a25d5e47b26fc47b4317eb73f90360828b8f0cddd9

  • SSDEEP

    49152:tns0XeD2vTzwskawCAT247NPfJyDAO5NOcXzearBg:ts0OKrE0idlfADAa1ze

Score
10/10
darkcometguest16_minpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

127.0.0.1:1604

Mutex

DCMIN_MUTEX-YV1ZQNQ

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    u4FE130b0VyD

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Targets

    • Target

      303cd80141c8f3e359f3bde3d11dac38_JaffaCakes118

    • Size

      2.0MB

    • MD5

      303cd80141c8f3e359f3bde3d11dac38

    • SHA1

      ec0c20f7c730a3c716e03cf8833dfe8b4e67a7a6

    • SHA256

      5fb32f1e360563120ff07f799baf671138495aec10b05b3bd7aa86775c0aef15

    • SHA512

      935d619e093d972613228f5eb6cd183e614709c992d56fbb0dbcfdbe3d1a2e39c15991faba777f256a33d2a25d5e47b26fc47b4317eb73f90360828b8f0cddd9

    • SSDEEP

      49152:tns0XeD2vTzwskawCAT247NPfJyDAO5NOcXzearBg:ts0OKrE0idlfADAa1ze

    Score
    10/10
    darkcometguest16_minpersistencerattrojan

    • 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

    • 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