Overview

overview

10

Static

static

10

021e77e1de...18.exe

windows7-x64

10

021e77e1de...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    021e77e1de50fff6dda3de23cc8bc017_JaffaCakes118

  • Size

    754KB

  • Sample

    240622-pnb4cssbpm

  • MD5

    021e77e1de50fff6dda3de23cc8bc017

  • SHA1

    fe4049c1e2ddf03402546d66d5d1c5bfee5d3d85

  • SHA256

    6470ab9a07baf85feb42fea557cbbc452c5e599f466660b2fd78369ef48f1f28

  • SHA512

    924cf55bcc95c29acabb435cc353e1f758a495a0070818644d5a1a49dbed9b79d82d8fb9d796c40d9e0847b67afd69b55013128db5cc5f0139f2dbfe6443ca7c

  • SSDEEP

    12288:hFLlJnnbWOtz6sVJhvaz1Qc/WdI//vfM4qwrbkniafLo6vUTyl0w/q9jJE:73nbWmJVJFwSddIXvfhqbiaxvRxq9

Score
10/10
darkcometpersistencerattrojan

Malware Config

Targets

    • Target

      021e77e1de50fff6dda3de23cc8bc017_JaffaCakes118

    • Size

      754KB

    • MD5

      021e77e1de50fff6dda3de23cc8bc017

    • SHA1

      fe4049c1e2ddf03402546d66d5d1c5bfee5d3d85

    • SHA256

      6470ab9a07baf85feb42fea557cbbc452c5e599f466660b2fd78369ef48f1f28

    • SHA512

      924cf55bcc95c29acabb435cc353e1f758a495a0070818644d5a1a49dbed9b79d82d8fb9d796c40d9e0847b67afd69b55013128db5cc5f0139f2dbfe6443ca7c

    • SSDEEP

      12288:hFLlJnnbWOtz6sVJhvaz1Qc/WdI//vfM4qwrbkniafLo6vUTyl0w/q9jJE:73nbWmJVJFwSddIXvfhqbiaxvRxq9

    Score
    10/10
    darkcometpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • 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

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks