Overview

overview

10

Static

static

3

1d31d4f6c8...18.exe

windows7-x64

10

1d31d4f6c8...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1d31d4f6c88a2f38d2750733df822fb6_JaffaCakes118

  • Size

    1.4MB

  • Sample

    240702-bcfqhsthlr

  • MD5

    1d31d4f6c88a2f38d2750733df822fb6

  • SHA1

    61c246104b2ab1d7e9e51d095b4d3924a675a0a0

  • SHA256

    d959533c8ebd8f01b71f18724bb1d3e4b56f1cae10b42e9646fbae252bcf08df

  • SHA512

    b2f8168b174d7b4767c019cc3ef7ff9017b6d68d2b6e5c5fab527e08bb02d0b2bd89cb748430e74a2ea8ead0fdc25e8971cabd408b36609b99c7c4022aaf008f

  • SSDEEP

    24576:CHkvKha8vcsqLGu9BBdmZr3ndDkd9f+Vjz4nIrICWvuS3G8r/6TyBRzWxPsB24aq:C6Kdv8ukCtM2Irvz3tryuBwxU2QaSp

Score
10/10
darkcometpersistencerattrojan

Malware Config

Targets

    • Target

      1d31d4f6c88a2f38d2750733df822fb6_JaffaCakes118

    • Size

      1.4MB

    • MD5

      1d31d4f6c88a2f38d2750733df822fb6

    • SHA1

      61c246104b2ab1d7e9e51d095b4d3924a675a0a0

    • SHA256

      d959533c8ebd8f01b71f18724bb1d3e4b56f1cae10b42e9646fbae252bcf08df

    • SHA512

      b2f8168b174d7b4767c019cc3ef7ff9017b6d68d2b6e5c5fab527e08bb02d0b2bd89cb748430e74a2ea8ead0fdc25e8971cabd408b36609b99c7c4022aaf008f

    • SSDEEP

      24576:CHkvKha8vcsqLGu9BBdmZr3ndDkd9f+Vjz4nIrICWvuS3G8r/6TyBRzWxPsB24aq:C6Kdv8ukCtM2Irvz3tryuBwxU2QaSp

    Score
    10/10
    darkcometpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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

4
T1012

System Information Discovery

5
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks