Overview

overview

10

Static

static

10

JaffaCakes...96.exe

windows7-x64

10

JaffaCakes...96.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_bd468b0f3db58b23c362ad549a4dc896

  • Size

    746KB

  • Sample

    250208-bajdmawra1

  • MD5

    bd468b0f3db58b23c362ad549a4dc896

  • SHA1

    879f3adb3a8ebe18257294305adc7b562944c7c0

  • SHA256

    79130903a33761ddf302398d93a7162454afc1d93608f1925fd483675516baf4

  • SHA512

    236b22871ab79cfb551ca36b31a0260b4096dcaae9373007e73b3c6317fae42786ada5401bb9786e6b1088cdf156137b567448a1aa288c7e5924cfab4e3689d0

  • SSDEEP

    12288:0aAchpWsuVTv7ItY8XljyypHP7cOLBev03hlULsmWZ++09ZcKDVsgdJ:FAEENIq8XwyVPQclDq/+WnpsS

Score
10/10
darkcometemp - 1defense_evasiondiscoverypersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

EMP - 1

C2

empa7hy.no-ip.org:82

Mutex

DC_MUTEX-860UXEX

Attributes
  • InstallPath

    Windupdt\winupdate.exe

  • gencode

    t=x=714vip+P

  • install

    true

  • offline_keylogger

    false

  • persistence

    false

  • reg_key

    winupdater

rc4.plain

Targets

    • Target

      JaffaCakes118_bd468b0f3db58b23c362ad549a4dc896

    • Size

      746KB

    • MD5

      bd468b0f3db58b23c362ad549a4dc896

    • SHA1

      879f3adb3a8ebe18257294305adc7b562944c7c0

    • SHA256

      79130903a33761ddf302398d93a7162454afc1d93608f1925fd483675516baf4

    • SHA512

      236b22871ab79cfb551ca36b31a0260b4096dcaae9373007e73b3c6317fae42786ada5401bb9786e6b1088cdf156137b567448a1aa288c7e5924cfab4e3689d0

    • SSDEEP

      12288:0aAchpWsuVTv7ItY8XljyypHP7cOLBev03hlULsmWZ++09ZcKDVsgdJ:FAEENIq8XwyVPQclDq/+WnpsS

    Score
    10/10
    darkcometemp - 1defense_evasiondiscoverypersistencerattrojan

    • 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

      defense_evasion

    • Modifies security service

      defense_evasion

    • Windows security bypass

      defense_evasiontrojan

    • Disables RegEdit via registry modification

      defense_evasion

    • Disables Task Manager via registry modification

      defense_evasion

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      defense_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

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

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

4
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks