Overview

overview

10

Static

static

10

9a9905cb76...18.exe

windows7-x64

10

9a9905cb76...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9a9905cb76863a4469db036f6bc049f1_JaffaCakes118

  • Size

    636KB

  • Sample

    241125-la335szka1

  • MD5

    9a9905cb76863a4469db036f6bc049f1

  • SHA1

    11876b44c2d7a0b3e34f925db5f98ef04e7b3ea1

  • SHA256

    e270b803beb92a8c8c270d3678f85fb772eecb7ed4f812e374a5ed3dea8027bf

  • SHA512

    fbc9f3704fceb3368bbb698b5854fe5c0081cef02ba537220b33ce5c47dc5dcbcfa89480660355a36c5d41367d41f212fd341959a852c2c7d39d0323dbe9903c

  • SSDEEP

    12288:zpwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/J:VwAcu99lPzvxP+Bsz2XjWTRMQckkIXnx

Score
10/10
darkcometdiscoveryevasionpersistencerattrojan

Malware Config

Targets

    • Target

      9a9905cb76863a4469db036f6bc049f1_JaffaCakes118

    • Size

      636KB

    • MD5

      9a9905cb76863a4469db036f6bc049f1

    • SHA1

      11876b44c2d7a0b3e34f925db5f98ef04e7b3ea1

    • SHA256

      e270b803beb92a8c8c270d3678f85fb772eecb7ed4f812e374a5ed3dea8027bf

    • SHA512

      fbc9f3704fceb3368bbb698b5854fe5c0081cef02ba537220b33ce5c47dc5dcbcfa89480660355a36c5d41367d41f212fd341959a852c2c7d39d0323dbe9903c

    • SSDEEP

      12288:zpwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/J:VwAcu99lPzvxP+Bsz2XjWTRMQckkIXnx

    Score
    10/10
    darkcometdiscoveryevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • 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 Enterprise v15

Reconnaissance

Resource Development

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

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Modify Registry

5
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks