Overview

overview

10

Static

static

72b401594c...cd.exe

windows7-x64

10

72b401594c...cd.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    72b401594c6d7674f905f8fcc187e2c8525f6b2c1c9682fafd5e1191d6a617cd

  • Size

    383KB

  • Sample

    221126-pv7hvagb2x

  • MD5

    4ae30f28f1acb06cc303afb107fb5242

  • SHA1

    017ed0e76ed7daee651f88c81df2f43c986a773c

  • SHA256

    72b401594c6d7674f905f8fcc187e2c8525f6b2c1c9682fafd5e1191d6a617cd

  • SHA512

    015292b13b5712357e9b7f33cb9097884b15578598c066a1fc5a272b8cddcfffe42bc6a9fa499ffae43ce245967ce005234ead3b50cf304f84f3666f06de8f16

  • SSDEEP

    6144:/YpRNQuZi9+neeKGn4SBIz0Bpv/8Ykw+aS053PuLupGT1CXINTB8LgAFAl7B9w:wp/1Fxn+G8S+aL3GapyfB2GR

Score
10/10
darkcomethfevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

HF

C2

xavian.no-ip.org:1604

Mutex

DC_MUTEX-KT2FTNQ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    VKesLADk0mNy

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      72b401594c6d7674f905f8fcc187e2c8525f6b2c1c9682fafd5e1191d6a617cd

    • Size

      383KB

    • MD5

      4ae30f28f1acb06cc303afb107fb5242

    • SHA1

      017ed0e76ed7daee651f88c81df2f43c986a773c

    • SHA256

      72b401594c6d7674f905f8fcc187e2c8525f6b2c1c9682fafd5e1191d6a617cd

    • SHA512

      015292b13b5712357e9b7f33cb9097884b15578598c066a1fc5a272b8cddcfffe42bc6a9fa499ffae43ce245967ce005234ead3b50cf304f84f3666f06de8f16

    • SSDEEP

      6144:/YpRNQuZi9+neeKGn4SBIz0Bpv/8Ykw+aS053PuLupGT1CXINTB8LgAFAl7B9w:wp/1Fxn+G8S+aL3GapyfB2GR

    Score
    10/10
    darkcomethfevasionpersistencerattrojan

    • 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

    • 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