Overview

overview

10

Static

static

3

42625e4e73...18.exe

windows7-x64

10

42625e4e73...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    42625e4e73046d702497668dee4c45bd_JaffaCakes118

  • Size

    776KB

  • Sample

    240713-thlstszbqg

  • MD5

    42625e4e73046d702497668dee4c45bd

  • SHA1

    b18c5af54cc63732e0273a37c117563ebdd56bf8

  • SHA256

    558485ee93cbae44664539fb7367c67b9a19e39feee3db172b30f1fa939e274b

  • SHA512

    8a26427ce2d2dd5bd6f2473e56b8006ecb93af6500574e636db3dd3ec654df3f9363e55f6cf5b7ec31123c095a2d0c0c55f28d03fd8916738f3dea2f07e68f16

  • SSDEEP

    12288:xXQwsjpH62Ct9B3i8z6T2VeMDWfttB1E+o2yIh5iUfrI+8nhbmbjAcw:5sVa1Pxz6A/DGYFIhz7zbjA

Score
10/10
darkcomettestevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Test

C2

host.myftp.org:1604

Mutex

DC_MUTEX-LLKATC4

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    2GX0S7gDH35x

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      42625e4e73046d702497668dee4c45bd_JaffaCakes118

    • Size

      776KB

    • MD5

      42625e4e73046d702497668dee4c45bd

    • SHA1

      b18c5af54cc63732e0273a37c117563ebdd56bf8

    • SHA256

      558485ee93cbae44664539fb7367c67b9a19e39feee3db172b30f1fa939e274b

    • SHA512

      8a26427ce2d2dd5bd6f2473e56b8006ecb93af6500574e636db3dd3ec654df3f9363e55f6cf5b7ec31123c095a2d0c0c55f28d03fd8916738f3dea2f07e68f16

    • SSDEEP

      12288:xXQwsjpH62Ct9B3i8z6T2VeMDWfttB1E+o2yIh5iUfrI+8nhbmbjAcw:5sVa1Pxz6A/DGYFIhz7zbjA

    Score
    10/10
    darkcomettestevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Windows security bypass

      evasiontrojan

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • 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

4
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks