Overview

overview

10

Static

static

3

JaffaCakes...4a.exe

windows7-x64

10

JaffaCakes...4a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_485a272796045e7e6354030591b5b94a

  • Size

    3.4MB

  • Sample

    250303-wqsmfsvlv8

  • MD5

    485a272796045e7e6354030591b5b94a

  • SHA1

    765c508e48a7e53dcd48c1f12c6bf99c40d70182

  • SHA256

    4978b8076bd7866b45ca19592ad9821daed644a68ab8764c643f425e9d1f5d8b

  • SHA512

    343cac056737023b8e310bb53e6b1d11da9cf7fbf12c5770e2643aefe123e1f812a625bb1b1fde6aebc1884c9fd46e2be2a9d9af61360ead50998893bcac1ab9

  • SSDEEP

    49152:AFZAqr50gmb1vLyMDX0AeuRzZqgV6f2QPNcOtViqNdUyyiKQWVxxtvD3DzBQS48K:2r5w2Mk89qgVmDP2yyiKQExZD3JQSUhv

Score
10/10
darkcometvictim 1defense_evasiondiscoverypersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Extracted

Family

darkcomet

Botnet

victim 1

C2

46.109.72.92:1604

46.109.73.7:1604

ratty.no-ip.biz:1604
Mutex

DC_MUTEX-WN7E01P

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    ywx7hgBlyfX9

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target

      JaffaCakes118_485a272796045e7e6354030591b5b94a

    • Size

      3.4MB

    • MD5

      485a272796045e7e6354030591b5b94a

    • SHA1

      765c508e48a7e53dcd48c1f12c6bf99c40d70182

    • SHA256

      4978b8076bd7866b45ca19592ad9821daed644a68ab8764c643f425e9d1f5d8b

    • SHA512

      343cac056737023b8e310bb53e6b1d11da9cf7fbf12c5770e2643aefe123e1f812a625bb1b1fde6aebc1884c9fd46e2be2a9d9af61360ead50998893bcac1ab9

    • SSDEEP

      49152:AFZAqr50gmb1vLyMDX0AeuRzZqgV6f2QPNcOtViqNdUyyiKQWVxxtvD3DzBQS48K:2r5w2Mk89qgVmDP2yyiKQExZD3JQSUhv

    Score
    10/10
    darkcometvictim 1defense_evasiondiscoverypersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      defense_evasion

    • 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 Enterprise v15

Tasks