Overview

overview

10

Static

static

10

9a967774e1...78.exe

windows7_x64

10

9a967774e1...78.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    9a967774e134d423ea04e8079d5236c8363422de1bd4e3e066168df9ccd54e78

  • Size

    283KB

  • Sample

    220420-ta9vpagcf7

  • MD5

    6bf6d7d7e70cd737716b614f9008417b

  • SHA1

    0c1996ccb192acd5ead43954cc984480fb18d910

  • SHA256

    9a967774e134d423ea04e8079d5236c8363422de1bd4e3e066168df9ccd54e78

  • SHA512

    6999c3f15f7b1c7231990f24c4dbae31ca9fb4faeddc337edfb5e6644f588ddcc103875d2746b7e3852bded61e8024cf2e5b41c1aef0ce05d5ba711c74474d33

Score
10/10
darkcomet1evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

1

C2

192.168.0.5:81

192.168.0.5:1604

ilyakon213.hopto.org:1604

ilyakon213.hopto.org:81
Mutex

DC_MUTEX-8W6J4UL

Attributes
  • InstallPath

    system.exe

  • gencode

    YFrPALvfbSE1

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    system

Targets

    • Target

      9a967774e134d423ea04e8079d5236c8363422de1bd4e3e066168df9ccd54e78

    • Size

      283KB

    • MD5

      6bf6d7d7e70cd737716b614f9008417b

    • SHA1

      0c1996ccb192acd5ead43954cc984480fb18d910

    • SHA256

      9a967774e134d423ea04e8079d5236c8363422de1bd4e3e066168df9ccd54e78

    • SHA512

      6999c3f15f7b1c7231990f24c4dbae31ca9fb4faeddc337edfb5e6644f588ddcc103875d2746b7e3852bded61e8024cf2e5b41c1aef0ce05d5ba711c74474d33

    Score
    10/10
    darkcometevasionpersistencerattrojanupx

    • 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.

    • Deletes itself

    • 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