Overview

overview

10

Static

static

3

69b1f8ff1e...18.exe

windows7-x64

10

69b1f8ff1e...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    69b1f8ff1e49b78c12fa6657cdef2017_JaffaCakes118

  • Size

    986KB

  • Sample

    241022-keytjswela

  • MD5

    69b1f8ff1e49b78c12fa6657cdef2017

  • SHA1

    a6a9eaa541afbf63dbe34e14b39c50f6c89fda14

  • SHA256

    01b69d1f321f028ced66f438204789ef1327aa7fd69619b5840994362fb50510

  • SHA512

    15875b5ee05a797fdb6a298c8b558b7d4855d9f715bdbda85236ac55aa34128a22b64d0eb683393aa371d744f956f59682b6120abb809f6eac9bf5c86632cb15

  • SSDEEP

    24576:w+UD04MRHFqK4VST/xVXJ9k2Ni3n8qcQ6fySiI:f4MRHF6VWxFvkcikQ1DI

Score
10/10
darkcometdiscoveryevasionpersistencerattrojan

Malware Config

Targets

    • Target

      69b1f8ff1e49b78c12fa6657cdef2017_JaffaCakes118

    • Size

      986KB

    • MD5

      69b1f8ff1e49b78c12fa6657cdef2017

    • SHA1

      a6a9eaa541afbf63dbe34e14b39c50f6c89fda14

    • SHA256

      01b69d1f321f028ced66f438204789ef1327aa7fd69619b5840994362fb50510

    • SHA512

      15875b5ee05a797fdb6a298c8b558b7d4855d9f715bdbda85236ac55aa34128a22b64d0eb683393aa371d744f956f59682b6120abb809f6eac9bf5c86632cb15

    • SSDEEP

      24576:w+UD04MRHFqK4VST/xVXJ9k2Ni3n8qcQ6fySiI:f4MRHF6VWxFvkcikQ1DI

    Score
    10/10
    darkcometdiscoveryevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables Task Manager via registry modification

      evasion

    • 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

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • 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

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

7
T1112

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks