Overview

overview

10

Static

static

6cdd839670...37.exe

windows7_x64

10

6cdd839670...37.exe

windows10_x64

10

Sharing

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General

  • Target

    6cdd8396703edddaf4a0273aaa07ba21b015f94bebc1f9cba18e891dee562637

  • Size

    385KB

  • Sample

    201111-46dct23hbj

  • MD5

    18bd9d5b34767fee5ff6b1b209c43b88

  • SHA1

    378a9b8ab39c916e908ee5d5e01b685566377aae

  • SHA256

    6cdd8396703edddaf4a0273aaa07ba21b015f94bebc1f9cba18e891dee562637

  • SHA512

    1698105a6b6eb4a65c69f15cd2493eb9108546abdc9f3f65f40004ac03463afa0c05d081b2fc0e927ae5a6b251b18eef94af50b5b1df6f709c741e389a5c4461

Score
10/10
darkcomet06-11-2020evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

06-11-2020

C2

LAMIA-41739.portmap.io:41739

karmina113.sytes.net:7777

karmina200.sytes.net:7777
Mutex

DC_MUTEX-R9E2RDG

Attributes
  • InstallPath

    svchost\svchost.exe

  • gencode

    dneJWn9fFTdt

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      6cdd8396703edddaf4a0273aaa07ba21b015f94bebc1f9cba18e891dee562637

    • Size

      385KB

    • MD5

      18bd9d5b34767fee5ff6b1b209c43b88

    • SHA1

      378a9b8ab39c916e908ee5d5e01b685566377aae

    • SHA256

      6cdd8396703edddaf4a0273aaa07ba21b015f94bebc1f9cba18e891dee562637

    • SHA512

      1698105a6b6eb4a65c69f15cd2493eb9108546abdc9f3f65f40004ac03463afa0c05d081b2fc0e927ae5a6b251b18eef94af50b5b1df6f709c741e389a5c4461

    Score
    10/10
    darkcomet06-11-2020evasionpersistencerattrojanupx

    • 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

    • Suspicious use of SetThreadContext

    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