Overview

overview

10

Static

static

3

f39ddcb42f...18.exe

windows7-x64

10

f39ddcb42f...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118

  • Size

    340KB

  • Sample

    241215-mpzvps1pgx

  • MD5

    f39ddcb42f54dbd955b798ed1bb3379a

  • SHA1

    82afa930f6049202cc7e26dc460492d54319520f

  • SHA256

    303cfc0ae7efa5ca9e83da9e2ff453d789b6c145ab20c3295a8b80897926ba0b

  • SHA512

    c2dc6bdf5e2b1dd7a24d49416a3ad7fbed1e630e159412cf85be473b4ded923da443524401e01d0793603659572ae348ee369bce21deb4efaec9f01ece83a823

  • SSDEEP

    6144:gLR3lJlRmxtpBIUNQcocN6YnYkWm6W/jnL3BfDvOzOHOfbYcrRbfDvOHzqFr/bfv:ER1JlUxtpBIUNQcocN5nYkp7/jnL3BfU

Score
10/10
darkcometdiscoveryevasionpersistencerattrojanupx

Malware Config

Targets

    • Target

      f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118

    • Size

      340KB

    • MD5

      f39ddcb42f54dbd955b798ed1bb3379a

    • SHA1

      82afa930f6049202cc7e26dc460492d54319520f

    • SHA256

      303cfc0ae7efa5ca9e83da9e2ff453d789b6c145ab20c3295a8b80897926ba0b

    • SHA512

      c2dc6bdf5e2b1dd7a24d49416a3ad7fbed1e630e159412cf85be473b4ded923da443524401e01d0793603659572ae348ee369bce21deb4efaec9f01ece83a823

    • SSDEEP

      6144:gLR3lJlRmxtpBIUNQcocN6YnYkWm6W/jnL3BfDvOzOHOfbYcrRbfDvOHzqFr/bfv:ER1JlUxtpBIUNQcocN5nYkp7/jnL3BfU

    Score
    10/10
    darkcometdiscoveryevasionpersistencerattrojanupx

    • 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

    • Windows security bypass

      evasiontrojan

    • 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

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    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

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

5
T1112

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