Overview

overview

10

Static

static

3

00e3cb2dbc...18.exe

windows7-x64

10

00e3cb2dbc...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    00e3cb2dbc26f4ee134443454264da0e_JaffaCakes118

  • Size

    732KB

  • Sample

    240622-c11w2axfjm

  • MD5

    00e3cb2dbc26f4ee134443454264da0e

  • SHA1

    8f696e1864249b5a1dfa5ece455d42b323d84910

  • SHA256

    5791d3b22b74d0f7a362886df5720ab80f6d22f296309679bd3e7b4f3d3b9443

  • SHA512

    4c1d7313001575665fb922b1dc0bf80110650d4a57ee99d8c60738ce56b7977dddd5dc9a60243d148056e7db3cb7128e330d62136307ad1d94d516ff6b40adbd

  • SSDEEP

    12288:JkHcpSHY7VSrfT2/czO3HYHcKuDavkvPDlVCCC:C8uYxSrDzw48LDavwPDvH

Score
10/10
darkcometevasionpersistencerattrojanupx

Malware Config

Targets

    • Target

      00e3cb2dbc26f4ee134443454264da0e_JaffaCakes118

    • Size

      732KB

    • MD5

      00e3cb2dbc26f4ee134443454264da0e

    • SHA1

      8f696e1864249b5a1dfa5ece455d42b323d84910

    • SHA256

      5791d3b22b74d0f7a362886df5720ab80f6d22f296309679bd3e7b4f3d3b9443

    • SHA512

      4c1d7313001575665fb922b1dc0bf80110650d4a57ee99d8c60738ce56b7977dddd5dc9a60243d148056e7db3cb7128e330d62136307ad1d94d516ff6b40adbd

    • SSDEEP

      12288:JkHcpSHY7VSrfT2/czO3HYHcKuDavkvPDlVCCC:C8uYxSrDzw48LDavwPDvH

    Score
    10/10
    darkcometevasionpersistencerattrojanupx

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • 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

4
T1012

System Information Discovery

5
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks