Overview

overview

10

Static

static

3

20291e95a7...18.exe

windows7-x64

10

20291e95a7...18.exe

windows10-2004-x64

3

Sharing

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General

  • Target

    20291e95a785699a6d8984ad5c007a7d_JaffaCakes118

  • Size

    699KB

  • Sample

    240702-vsm93sxarj

  • MD5

    20291e95a785699a6d8984ad5c007a7d

  • SHA1

    5235fd1e13ae7d352881fec0d67364b171592634

  • SHA256

    c5ba9e37c0074db170b67a7aaee205ef5c42860afb7b2ba39c48f817439c1d30

  • SHA512

    dbab86649ce5d764584b3a0f9943f82d146be577a67ec0259ca097841fe57ba67d9843cebc4e7b46a57b77759e33a243e81b0b9043515af0fe7e04121ae07464

  • SSDEEP

    12288:0NcbhMgr6HwUAJXFKgPR0xH/6G0znMXbXfF32ikcb/ySis065Tbot2H0SNk1:0N6hfGuXPM/HCqbXt3rlbKSis0sb/HNi

Score
10/10
darkcometpersistencerattrojan

Malware Config

Targets

    • Target

      20291e95a785699a6d8984ad5c007a7d_JaffaCakes118

    • Size

      699KB

    • MD5

      20291e95a785699a6d8984ad5c007a7d

    • SHA1

      5235fd1e13ae7d352881fec0d67364b171592634

    • SHA256

      c5ba9e37c0074db170b67a7aaee205ef5c42860afb7b2ba39c48f817439c1d30

    • SHA512

      dbab86649ce5d764584b3a0f9943f82d146be577a67ec0259ca097841fe57ba67d9843cebc4e7b46a57b77759e33a243e81b0b9043515af0fe7e04121ae07464

    • SSDEEP

      12288:0NcbhMgr6HwUAJXFKgPR0xH/6G0znMXbXfF32ikcb/ySis065Tbot2H0SNk1:0N6hfGuXPM/HCqbXt3rlbKSis0sb/HNi

    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.

    • 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

3
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks