Overview

overview

10

Static

static

3

d7456007a1...18.exe

windows7-x64

10

d7456007a1...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    d7456007a18e3ef753d878fd4b609738_JaffaCakes118

  • Size

    1.2MB

  • Sample

    241208-qpsm6szkhm

  • MD5

    d7456007a18e3ef753d878fd4b609738

  • SHA1

    81943936080b6eee006281d7bb00a4ba071758ba

  • SHA256

    32bf0fadc0f91e74293232f370828869df6ba1c1ce27473874eb67451bddd696

  • SHA512

    d8ba24c51e57ce0cc8dadd97beb9c3edbd0cc001ace33a46b43992bd63c688f92bdb7c553c5b2b70ee647874cfc2bded0ea75649eb4d324f980f8dd589dd8666

  • SSDEEP

    24576:Rg8fQRCIOE7SUI0Pz1Xd8wENGS7H/GTf3tj4aZBbIUpbT:+yQRLOQ7p5Xd8weJ/Ulj4aZFIUpv

Score
10/10
darkcometdiscoveryevasionpersistenceprivilege_escalationrattrojan

Malware Config

Targets

    • Target

      d7456007a18e3ef753d878fd4b609738_JaffaCakes118

    • Size

      1.2MB

    • MD5

      d7456007a18e3ef753d878fd4b609738

    • SHA1

      81943936080b6eee006281d7bb00a4ba071758ba

    • SHA256

      32bf0fadc0f91e74293232f370828869df6ba1c1ce27473874eb67451bddd696

    • SHA512

      d8ba24c51e57ce0cc8dadd97beb9c3edbd0cc001ace33a46b43992bd63c688f92bdb7c553c5b2b70ee647874cfc2bded0ea75649eb4d324f980f8dd589dd8666

    • SSDEEP

      24576:Rg8fQRCIOE7SUI0Pz1Xd8wENGS7H/GTf3tj4aZBbIUpbT:+yQRLOQ7p5Xd8weJ/Ulj4aZFIUpv

    Score
    10/10
    darkcometdiscoveryevasionpersistenceprivilege_escalationrattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • UAC bypass

      evasiontrojan

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Drops file in Drivers directory

    • Modifies Windows Firewall

      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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops file in System32 directory

    • 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

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

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

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Modify Registry

4
T1112

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

6
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks