Overview

overview

10

Static

static

10

895bb30a63...18.exe

windows7-x64

10

895bb30a63...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    895bb30a635f3b57093642acf5bc2f26_JaffaCakes118

  • Size

    865KB

  • Sample

    241103-dpth9aspgs

  • MD5

    895bb30a635f3b57093642acf5bc2f26

  • SHA1

    4aa3126189399ac9216684d88fb773a810017361

  • SHA256

    bc1dc8e1e1667b423062536d80a65d77ffedce8f073e83c234701f36fb6eb776

  • SHA512

    f5b210f8c383fc4cd9daf79f7ef74e52ee34db6dbc41866f50dfce2ff33131886ba439e0c4995b0e49b869befff7ac73aea0cbe533d188987994953a76ec115c

  • SSDEEP

    12288:A9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKfZZ6eAAUMbU4LTRA17H:mAQ6Zx9cxTmOrucTIEFSpOGQwePUMI17

Score
10/10
darkcometdiscoveryevasionpersistencerattrojanupx

Malware Config

Targets

    • Target

      895bb30a635f3b57093642acf5bc2f26_JaffaCakes118

    • Size

      865KB

    • MD5

      895bb30a635f3b57093642acf5bc2f26

    • SHA1

      4aa3126189399ac9216684d88fb773a810017361

    • SHA256

      bc1dc8e1e1667b423062536d80a65d77ffedce8f073e83c234701f36fb6eb776

    • SHA512

      f5b210f8c383fc4cd9daf79f7ef74e52ee34db6dbc41866f50dfce2ff33131886ba439e0c4995b0e49b869befff7ac73aea0cbe533d188987994953a76ec115c

    • SSDEEP

      12288:A9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKfZZ6eAAUMbU4LTRA17H:mAQ6Zx9cxTmOrucTIEFSpOGQwePUMI17

    Score
    10/10
    darkcometdiscoveryevasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit 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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    • UPX packed file

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

      upx
    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

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks