Overview

overview

10

Static

static

0aff8ddb4f...ec.exe

windows7_x64

8

0aff8ddb4f...ec.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    0aff8ddb4ffe9e66e64bc83259098b2f3cceaea0524bced7751d69f6026195ec

  • Size

    683KB

  • Sample

    220530-fy5nzsecb6

  • MD5

    8bb19f064991f91dca466784b13e2bb3

  • SHA1

    517682367ad7b45ab2f4eba49bff723f033cfc6d

  • SHA256

    0aff8ddb4ffe9e66e64bc83259098b2f3cceaea0524bced7751d69f6026195ec

  • SHA512

    0752b19d991542ee5834d62b614ead5cdb90b365a5fed03a830cf57761fc00c6142d40f8f0da1bee0acb90e5f3aed14afdaa25e33b9ad132dbeec1a1c3286beb

Score
10/10
darkcomethackevasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

hack

C2

dianabol89.zapto.org:1604

Mutex

DC_MUTEX-MJBT6M8

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    qtA8PLYkzZVo

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      0aff8ddb4ffe9e66e64bc83259098b2f3cceaea0524bced7751d69f6026195ec

    • Size

      683KB

    • MD5

      8bb19f064991f91dca466784b13e2bb3

    • SHA1

      517682367ad7b45ab2f4eba49bff723f033cfc6d

    • SHA256

      0aff8ddb4ffe9e66e64bc83259098b2f3cceaea0524bced7751d69f6026195ec

    • SHA512

      0752b19d991542ee5834d62b614ead5cdb90b365a5fed03a830cf57761fc00c6142d40f8f0da1bee0acb90e5f3aed14afdaa25e33b9ad132dbeec1a1c3286beb

    Score
    10/10
    darkcomethackevasionpersistencerattrojanupx

    • 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