Overview

overview

10

Static

static

10

JaffaCakes...2d.exe

windows7-x64

10

JaffaCakes...2d.exe

windows10-2004-x64

10

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General

  • Target

    JaffaCakes118_6224b7f826c1b786bbf175ba83a1442d

  • Size

    756KB

  • Sample

    250102-c3kmts1nar

  • MD5

    6224b7f826c1b786bbf175ba83a1442d

  • SHA1

    88ffbbd46624b814611b609dd9b8b49d238c255c

  • SHA256

    3fcecfe7633ee202afa47aebbd3d48481fe46893a8df1eea3c8f371b52f7a363

  • SHA512

    00856a399fdd6324364e3f911a21b3b092ce09bf9290bd1e3dc4590e7d3c01f21bc53cf723bc9e65be8a830c4898eba94a9d9f33d1ede2e46c4ffa70b353ac06

  • SSDEEP

    12288:39HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/htsvvs:RZ1xuVVjfFoynPaVBUR8f+kN10EB8vvs

Score
10/10
darkcometnmt3discoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Nmt3

C2

anihilatorrat.no-ip.org:1604

Mutex

DC_MUTEX-1G7RFUM

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    RfRp6b1dmdnY

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      JaffaCakes118_6224b7f826c1b786bbf175ba83a1442d

    • Size

      756KB

    • MD5

      6224b7f826c1b786bbf175ba83a1442d

    • SHA1

      88ffbbd46624b814611b609dd9b8b49d238c255c

    • SHA256

      3fcecfe7633ee202afa47aebbd3d48481fe46893a8df1eea3c8f371b52f7a363

    • SHA512

      00856a399fdd6324364e3f911a21b3b092ce09bf9290bd1e3dc4590e7d3c01f21bc53cf723bc9e65be8a830c4898eba94a9d9f33d1ede2e46c4ffa70b353ac06

    • SSDEEP

      12288:39HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/htsvvs:RZ1xuVVjfFoynPaVBUR8f+kN10EB8vvs

    Score
    10/10
    darkcometnmt3discoveryevasionpersistencerattrojan

    • 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

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • 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.

    • 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

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

7
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