Overview

overview

10

Static

static

3

7eb914089a...18.exe

windows7-x64

10

7eb914089a...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7eb914089a7e5d827f4d5912fdf0d1af_JaffaCakes118

  • Size

    302KB

  • Sample

    241030-l13v3a1drn

  • MD5

    7eb914089a7e5d827f4d5912fdf0d1af

  • SHA1

    1d469f8216dbff2a98cc6ad2fc1eb262155b82df

  • SHA256

    fb6d24f8c56f6d8ea302f98dd9b16a71d2f4ad43ff17626426b1fcfb5a97d74c

  • SHA512

    c9c2abeff818e41bfda9461985055aaae3c20d370cbabb40a87912cf1d6ba687d1b8a3f67e3c74025e5c1086b3299a30a25eaa353d199cafaad1fef7253ab142

  • SSDEEP

    6144:qXmWOEErIBT+UWnAS0OU9fVagMKl4ukYbZ1bqWviJaxggCGyt5f7vKX:MLiASlU9f4WuW6iyt5GX

Score
10/10
darkcometguest16discoveryevasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

sora25.no-ip.biz:1604

Mutex

DC_MUTEX-95QWLKK

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    akKgEc3SfEnC

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      7eb914089a7e5d827f4d5912fdf0d1af_JaffaCakes118

    • Size

      302KB

    • MD5

      7eb914089a7e5d827f4d5912fdf0d1af

    • SHA1

      1d469f8216dbff2a98cc6ad2fc1eb262155b82df

    • SHA256

      fb6d24f8c56f6d8ea302f98dd9b16a71d2f4ad43ff17626426b1fcfb5a97d74c

    • SHA512

      c9c2abeff818e41bfda9461985055aaae3c20d370cbabb40a87912cf1d6ba687d1b8a3f67e3c74025e5c1086b3299a30a25eaa353d199cafaad1fef7253ab142

    • SSDEEP

      6144:qXmWOEErIBT+UWnAS0OU9fVagMKl4ukYbZ1bqWviJaxggCGyt5f7vKX:MLiASlU9f4WuW6iyt5GX

    Score
    10/10
    darkcometguest16discoveryevasionpersistencerattrojanupx

    • 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

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • 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

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

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

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks