Overview

overview

10

Static

static

ca73c1e272...62.exe

windows7-x64

10

ca73c1e272...62.exe

windows10-2004-x64

3

Sharing

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General

  • Target

    ca73c1e272f0634901c4bd5f0ff8942f44739eca23b653d02bae3dd87819b162

  • Size

    2.2MB

  • Sample

    221203-flyd5sfg22

  • MD5

    2143e3f661a12e987a590a19c62e80e5

  • SHA1

    178ac441bec96294ed7afcb6c11f6ba3e3143a75

  • SHA256

    ca73c1e272f0634901c4bd5f0ff8942f44739eca23b653d02bae3dd87819b162

  • SHA512

    b029cf8f8c146f4f4a29cb0204f60e659a200b4589cde0842fd4b456e364ea4bc6e4c555e74c92341fdb52f9529bfb54858f6104ede4796373d5883e5e1a8fb7

  • SSDEEP

    49152:MHNRaJsiPfkOal/74cs4CAkVAh3KLHeNjEWuRxaa995XzIGbn:MmJsmCNvYf+NjER0a95XzLn

Score
10/10
darkcomethfevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

HF

C2

darthquigon.no-ip.org:1604

Mutex

DC_MUTEX-4R4M43Q

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    gNEQEuffZJHa

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      ca73c1e272f0634901c4bd5f0ff8942f44739eca23b653d02bae3dd87819b162

    • Size

      2.2MB

    • MD5

      2143e3f661a12e987a590a19c62e80e5

    • SHA1

      178ac441bec96294ed7afcb6c11f6ba3e3143a75

    • SHA256

      ca73c1e272f0634901c4bd5f0ff8942f44739eca23b653d02bae3dd87819b162

    • SHA512

      b029cf8f8c146f4f4a29cb0204f60e659a200b4589cde0842fd4b456e364ea4bc6e4c555e74c92341fdb52f9529bfb54858f6104ede4796373d5883e5e1a8fb7

    • SSDEEP

      49152:MHNRaJsiPfkOal/74cs4CAkVAh3KLHeNjEWuRxaa995XzIGbn:MmJsmCNvYf+NjER0a95XzLn

    Score
    10/10
    darkcomethfevasionpersistencerattrojan

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • 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

Modify Existing Service

1
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
T1112

Hidden Files and Directories

2
T1158

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks