Overview

overview

10

Static

static

5

7a26ef681c...18.exe

windows7-x64

10

7a26ef681c...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7a26ef681c7f11d26f84dfc5274e5d7e_JaffaCakes118

  • Size

    1.5MB

  • Sample

    241028-sc7yfasckm

  • MD5

    7a26ef681c7f11d26f84dfc5274e5d7e

  • SHA1

    16762f2fa1ebb219afeb73e198f7fd0da8d9245c

  • SHA256

    af645484c291b49d6414fffdae61a9f7383e16785e23adcb9ef7a8d04397207b

  • SHA512

    93f933a3a16359d4dfeb8ed4bb19681df1a1fd4367bce1150de9da6e3277a2cf239fd0c50885243d0cd97fd194b12f00b2791792fa7ff3b4672bf5e3dc26a7c2

  • SSDEEP

    24576:iRmJkcoQricOIQxiZY1iafEm2cWcOrcEMEsDhec44t+Ry34WyuHOiW6ZD:3JZoQrbTFZY1iafEmycOYEMbec4E12JS

Score
10/10
darkcomethakjjjdiscoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

hakjjj

C2

pess-12.zapto.org:1604

Mutex

DC_MUTEX-50JRU14

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    GjGL0jkir9x8

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      7a26ef681c7f11d26f84dfc5274e5d7e_JaffaCakes118

    • Size

      1.5MB

    • MD5

      7a26ef681c7f11d26f84dfc5274e5d7e

    • SHA1

      16762f2fa1ebb219afeb73e198f7fd0da8d9245c

    • SHA256

      af645484c291b49d6414fffdae61a9f7383e16785e23adcb9ef7a8d04397207b

    • SHA512

      93f933a3a16359d4dfeb8ed4bb19681df1a1fd4367bce1150de9da6e3277a2cf239fd0c50885243d0cd97fd194b12f00b2791792fa7ff3b4672bf5e3dc26a7c2

    • SSDEEP

      24576:iRmJkcoQricOIQxiZY1iafEm2cWcOrcEMEsDhec44t+Ry34WyuHOiW6ZD:3JZoQrbTFZY1iafEmycOYEMbec4E12JS

    Score
    10/10
    darkcomethakjjjdiscoveryevasionpersistencerattrojan

    • 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

    • Windows security bypass

      evasiontrojan

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • 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

1
T1543

Windows Service

1
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

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

5
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks