Overview

overview

10

Static

static

5c85bfa433...b2.exe

windows7-x64

10

5c85bfa433...b2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    5c85bfa433b776f2505d65d140c16fcf90b4910546b59324f7501272584619b2

  • Size

    772KB

  • Sample

    221129-svysgsca66

  • MD5

    47a3df044a495ed7c6ba76c035a5551d

  • SHA1

    0793db2a77213074fd9b0d494dad66b1368186ba

  • SHA256

    5c85bfa433b776f2505d65d140c16fcf90b4910546b59324f7501272584619b2

  • SHA512

    7f791219154d97fba2e3d48541f877bb6ee1bd64dc6f63a9ef238cd1161e84994eef85632206d7ccdc0034bd2cb54fcecfdfd4120dc9f79a8b5a26e1cae17617

  • SSDEEP

    12288:cf2GiGMBHqhYOJONtMCesfXlKXeR6z6MMRlcT9cYYIJj0j0zpggnT:/GQFQgkC1PMzIlcZdYIJj0qdT

Score
10/10
darkcomet13.07.12 crypterpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

13.07.12 Crypter

C2

leetaka1337.no-ip.org:1604

Mutex

DC_MUTEX-JFX5RP1

Attributes
  • InstallPath

    MSDCSC\winhost.exe

  • gencode

    lCnq6VNbar2M

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      5c85bfa433b776f2505d65d140c16fcf90b4910546b59324f7501272584619b2

    • Size

      772KB

    • MD5

      47a3df044a495ed7c6ba76c035a5551d

    • SHA1

      0793db2a77213074fd9b0d494dad66b1368186ba

    • SHA256

      5c85bfa433b776f2505d65d140c16fcf90b4910546b59324f7501272584619b2

    • SHA512

      7f791219154d97fba2e3d48541f877bb6ee1bd64dc6f63a9ef238cd1161e84994eef85632206d7ccdc0034bd2cb54fcecfdfd4120dc9f79a8b5a26e1cae17617

    • SSDEEP

      12288:cf2GiGMBHqhYOJONtMCesfXlKXeR6z6MMRlcT9cYYIJj0j0zpggnT:/GQFQgkC1PMzIlcZdYIJj0qdT

    Score
    10/10
    darkcomet13.07.12 crypterpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks