Overview

overview

10

Static

static

3

d116404d2a...18.exe

windows7-x64

10

d116404d2a...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    d116404d2acdba34a47f95053618a865_JaffaCakes118

  • Size

    437KB

  • Sample

    241207-haztyazray

  • MD5

    d116404d2acdba34a47f95053618a865

  • SHA1

    934aa5036f407ccf0db3d54683953042cee7e959

  • SHA256

    3a66d58200aa6a6f29a06e64ba7283e3614cdfa496cfd3ad73e146a75af6ee06

  • SHA512

    c83155a9ceb5f327e14812bc575ab6729ebee8256aeb01e9b5ad5114391f06e10db2ff826dc0478de7f394272ec62764c7aa1fbbec2964589de8dfc144b7119c

  • SSDEEP

    12288:+O/HJ+p+6RsIuQ/pyWPc+oBUbKVzYKj86sa3R:J/p+PvPaBUbKpYObR

Score
10/10
darkcometbootkitdiscoveryevasionpersistencerattrojan

Malware Config

Targets

    • Target

      d116404d2acdba34a47f95053618a865_JaffaCakes118

    • Size

      437KB

    • MD5

      d116404d2acdba34a47f95053618a865

    • SHA1

      934aa5036f407ccf0db3d54683953042cee7e959

    • SHA256

      3a66d58200aa6a6f29a06e64ba7283e3614cdfa496cfd3ad73e146a75af6ee06

    • SHA512

      c83155a9ceb5f327e14812bc575ab6729ebee8256aeb01e9b5ad5114391f06e10db2ff826dc0478de7f394272ec62764c7aa1fbbec2964589de8dfc144b7119c

    • SSDEEP

      12288:+O/HJ+p+6RsIuQ/pyWPc+oBUbKVzYKj86sa3R:J/p+PvPaBUbKpYObR

    Score
    10/10
    darkcometbootkitdiscoveryevasionpersistencerattrojan

    • 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

    • 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

    • Adds Run key to start application

      persistence

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence
    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

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

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

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

3
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks