Overview

overview

10

Static

static

10

000406bb03...18.exe

windows7-x64

10

000406bb03...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    000406bb03366b4744852f4bac0f383c_JaffaCakes118

  • Size

    636KB

  • Sample

    240619-xcx6fs1dkj

  • MD5

    000406bb03366b4744852f4bac0f383c

  • SHA1

    ad761bf48d747d4293d24ad43a621f526b0906b3

  • SHA256

    8cb7b1f28da387aa0a88d4b3b4005a6497dbd244b730b8d6f0ef78e882bc6a34

  • SHA512

    1aa215cfa5b8324e18958234dc9364fc866b114ff35a11f7f65608bd495845f8ce137b8847a318ce9269e9c0a4bea0aad900df7ef097b47fed44fed02d92b8f4

  • SSDEEP

    12288:/pwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/t:xwAcu99lPzvxP+Bsz2XjWTRMQckkIXnF

Score
10/10
darkcometevasionpersistencerattrojan

Malware Config

Targets

    • Target

      000406bb03366b4744852f4bac0f383c_JaffaCakes118

    • Size

      636KB

    • MD5

      000406bb03366b4744852f4bac0f383c

    • SHA1

      ad761bf48d747d4293d24ad43a621f526b0906b3

    • SHA256

      8cb7b1f28da387aa0a88d4b3b4005a6497dbd244b730b8d6f0ef78e882bc6a34

    • SHA512

      1aa215cfa5b8324e18958234dc9364fc866b114ff35a11f7f65608bd495845f8ce137b8847a318ce9269e9c0a4bea0aad900df7ef097b47fed44fed02d92b8f4

    • SSDEEP

      12288:/pwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/t:xwAcu99lPzvxP+Bsz2XjWTRMQckkIXnF

    Score
    10/10
    darkcometevasionpersistencerattrojan

    • 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.

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

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

Modify Registry

5
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

1
T1562.001

Disable or Modify System Firewall

1
T1562.004

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks