Overview

overview

10

Static

static

10

c97eaffee8...2c.exe

windows7-x64

10

c97eaffee8...2c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c97eaffee8db3c606b34e48e6a7a48ad79fe5251188f4917194e90c624e8e32c

  • Size

    662KB

  • Sample

    221001-3c7b1sbff9

  • MD5

    730188f792411355f17e20284e78d7e1

  • SHA1

    93fdd3ae8b09362d3bd67816f099bb74f52d8b93

  • SHA256

    c97eaffee8db3c606b34e48e6a7a48ad79fe5251188f4917194e90c624e8e32c

  • SHA512

    a0974e3d5a1a21eb4dc3d7ee6258d43b1a79d900e4e2c086af19bde3fd964bac1c29165c66e5ca45ef3d7d2ba5af0d03c29ba831c0c35644400761c9796b7625

  • SSDEEP

    12288:o3OpvNW4a76S/Ddon/m09bbYlIaaMcE2YGhq3vo1RnfAvIESJgoE26yc/RN:eOA4aWNn/m09fKIaaBEtWq3A1Ov8JgbP

Score
10/10
darkcometguest16evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

mula00100.no-ip.org:1604

Mutex

DC_MUTEX-QWDNF7H

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    FPKP3oF43033

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      c97eaffee8db3c606b34e48e6a7a48ad79fe5251188f4917194e90c624e8e32c

    • Size

      662KB

    • MD5

      730188f792411355f17e20284e78d7e1

    • SHA1

      93fdd3ae8b09362d3bd67816f099bb74f52d8b93

    • SHA256

      c97eaffee8db3c606b34e48e6a7a48ad79fe5251188f4917194e90c624e8e32c

    • SHA512

      a0974e3d5a1a21eb4dc3d7ee6258d43b1a79d900e4e2c086af19bde3fd964bac1c29165c66e5ca45ef3d7d2ba5af0d03c29ba831c0c35644400761c9796b7625

    • SSDEEP

      12288:o3OpvNW4a76S/Ddon/m09bbYlIaaMcE2YGhq3vo1RnfAvIESJgoE26yc/RN:eOA4aWNn/m09fKIaaBEtWq3A1Ov8JgbP

    Score
    10/10
    darkcometguest16evasionpersistencerattrojan

    • 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.

    • 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