Overview

overview

10

Static

static

10

98e2f247f5...18.exe

windows7-x64

10

98e2f247f5...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    98e2f247f5f606162159cb11765232ab_JaffaCakes118

  • Size

    758KB

  • Sample

    241125-dsty7a1pbm

  • MD5

    98e2f247f5f606162159cb11765232ab

  • SHA1

    11430901adf7af432541d0591d311d793822ad25

  • SHA256

    dee54d553a9248f18e1597173d2141c0dbc8e3a85d3c5aba6d79d6200eec6b1f

  • SHA512

    84d5a46400538017bb3e2c821b75533f0fc2180be9c19ab2ceb9fd14f561c25e1e24576474b33afb64568b4e1ab70600011101c94fb1c1855ba510a57d8ebd7c

  • SSDEEP

    12288:ZXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452Ud:lnAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jt

Score
10/10
darkcometmachinediscoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Machine

C2

8956584.servegame.com:1604

Mutex

DC_MUTEX-TU3948U

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    FY45WQHSmbHL

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      98e2f247f5f606162159cb11765232ab_JaffaCakes118

    • Size

      758KB

    • MD5

      98e2f247f5f606162159cb11765232ab

    • SHA1

      11430901adf7af432541d0591d311d793822ad25

    • SHA256

      dee54d553a9248f18e1597173d2141c0dbc8e3a85d3c5aba6d79d6200eec6b1f

    • SHA512

      84d5a46400538017bb3e2c821b75533f0fc2180be9c19ab2ceb9fd14f561c25e1e24576474b33afb64568b4e1ab70600011101c94fb1c1855ba510a57d8ebd7c

    • SSDEEP

      12288:ZXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452Ud:lnAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jt

    Score
    10/10
    darkcometmachinediscoveryevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies security 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
    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

2
T1562

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