Overview

overview

10

Static

static

7

a3e7f8456e...18.exe

windows7-x64

10

a3e7f8456e...18.exe

windows10-2004-x64

7

Sharing

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General

  • Target

    a3e7f8456e8eee6f8c968820eaaec5a4_JaffaCakes118

  • Size

    1.7MB

  • Sample

    240817-ylt1tstcqc

  • MD5

    a3e7f8456e8eee6f8c968820eaaec5a4

  • SHA1

    e6e9e5940c3ba56169c0f97e43808e7afddd506f

  • SHA256

    a0c786f5561fcd1567a8229aa55abe1a985118cc090e1147b73fb2b81a97d65d

  • SHA512

    9e348e08d95a004670592011cb1623f3e4cafc5645d2421b3bbe6fc8fa152741fd2d0ed28b05b57ae6dccc6b61371df6cfe5ae1e883592d7de3c9583197cb4c0

  • SSDEEP

    24576:aYT86+95zlBckT3ml+MIITB+SEZ601/imoim2MuSh/AldVGKxopLd0DejAr67kq:vobfXckTtJIgUT7FLeKjAr67

Score
10/10
darkcometdiscoveryevasionpersistenceratthemidatrojan

Malware Config

Targets

    • Target

      a3e7f8456e8eee6f8c968820eaaec5a4_JaffaCakes118

    • Size

      1.7MB

    • MD5

      a3e7f8456e8eee6f8c968820eaaec5a4

    • SHA1

      e6e9e5940c3ba56169c0f97e43808e7afddd506f

    • SHA256

      a0c786f5561fcd1567a8229aa55abe1a985118cc090e1147b73fb2b81a97d65d

    • SHA512

      9e348e08d95a004670592011cb1623f3e4cafc5645d2421b3bbe6fc8fa152741fd2d0ed28b05b57ae6dccc6b61371df6cfe5ae1e883592d7de3c9583197cb4c0

    • SSDEEP

      24576:aYT86+95zlBckT3ml+MIITB+SEZ601/imoim2MuSh/AldVGKxopLd0DejAr67kq:vobfXckTtJIgUT7FLeKjAr67

    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.

    • 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

Remote System Discovery

1
T1018

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Virtualization/Sandbox Evasion

1
T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks