Overview

overview

10

Static

static

7

1fb1cf1eaf...18.exe

windows7-x64

10

1fb1cf1eaf...18.exe

windows10-2004-x64

7

Sharing

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General

  • Target

    1fb1cf1eaf3ecf0c2f1b816ced9463b8_JaffaCakes118

  • Size

    1.6MB

  • Sample

    241008-flgrdstemb

  • MD5

    1fb1cf1eaf3ecf0c2f1b816ced9463b8

  • SHA1

    729f7da277215982c83c7aa668629535f0674cb0

  • SHA256

    4aff37505f5a36abfaa0941ed7770bc81d2a9e845710666388d6bbd1058e1a36

  • SHA512

    ae26cd495c5cf16a49db74f3e57278f4a7e322842426f18926aa3854550b963a73ba75e6a0e1a24e542ec4830595ca42741c997ac38f351f99d9538f8921f0b8

  • SSDEEP

    24576:shsI2VVvtGVxy60pzjCwnnJ4NudB4iM25lh3N/OYWGLBbn+timH5KIMM3:shIGVxy60p5nQu/4+7djWkbnKi6KIMM

Score
10/10
darkcometdiscoveryevasionpersistenceratthemidatrojan

Malware Config

Targets

    • Target

      1fb1cf1eaf3ecf0c2f1b816ced9463b8_JaffaCakes118

    • Size

      1.6MB

    • MD5

      1fb1cf1eaf3ecf0c2f1b816ced9463b8

    • SHA1

      729f7da277215982c83c7aa668629535f0674cb0

    • SHA256

      4aff37505f5a36abfaa0941ed7770bc81d2a9e845710666388d6bbd1058e1a36

    • SHA512

      ae26cd495c5cf16a49db74f3e57278f4a7e322842426f18926aa3854550b963a73ba75e6a0e1a24e542ec4830595ca42741c997ac38f351f99d9538f8921f0b8

    • SSDEEP

      24576:shsI2VVvtGVxy60pzjCwnnJ4NudB4iM25lh3N/OYWGLBbn+timH5KIMM3:shIGVxy60p5nQu/4+7djWkbnKi6KIMM

    Score
    10/10
    darkcometdiscoveryevasionpersistenceratthemidatrojan

    • Darkcomet

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

      trojanratdarkcomet

    • 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

    • Checks BIOS information in registry

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

    • Deletes itself

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      evasion

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Adds Run key to start application

      persistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • 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

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Modify Registry

5
T1112

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Virtualization/Sandbox Evasion

1
T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks