Overview

overview

10

Static

static

10

77c08522a9...0d.exe

windows7-x64

10

77c08522a9...0d.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    77c08522a979d835a04e0e6be7567d5ce58f27b6939f5d491c05680f60af670d

  • Size

    392KB

  • Sample

    221001-3ndh3scbe2

  • MD5

    78015ac78c3ad87fdadd6ed4488c4ac0

  • SHA1

    0c4219868261b460dc4f126bd796f96e8b23e770

  • SHA256

    77c08522a979d835a04e0e6be7567d5ce58f27b6939f5d491c05680f60af670d

  • SHA512

    0d1aa3696cc03b795a954fd04e5ab13762c17d02222f2a49d6ec94873ce3ea5a53ccddf78b5f18662eae0a535754e50d8998e54b4877136285a356832c53fecf

  • SSDEEP

    6144:pcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37UMEFhG9KOUH0c7FT8EXN3BsV/0:pcW7KEZlPzCy37T0GEtD7FB3B

Score
10/10
darkcometguest16evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

hack6969.zapto.org:1604

Btrev.ddns.net:1336
Mutex

DC_MUTEX-N1UFMN8

Attributes
  • InstallPath

    MSDCSC\svchost.exe

  • gencode

    3396looGFZlq

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      77c08522a979d835a04e0e6be7567d5ce58f27b6939f5d491c05680f60af670d

    • Size

      392KB

    • MD5

      78015ac78c3ad87fdadd6ed4488c4ac0

    • SHA1

      0c4219868261b460dc4f126bd796f96e8b23e770

    • SHA256

      77c08522a979d835a04e0e6be7567d5ce58f27b6939f5d491c05680f60af670d

    • SHA512

      0d1aa3696cc03b795a954fd04e5ab13762c17d02222f2a49d6ec94873ce3ea5a53ccddf78b5f18662eae0a535754e50d8998e54b4877136285a356832c53fecf

    • SSDEEP

      6144:pcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37UMEFhG9KOUH0c7FT8EXN3BsV/0:pcW7KEZlPzCy37T0GEtD7FB3B

    Score
    10/10
    darkcometguest16evasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • 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
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks