Overview

overview

10

Static

static

eab3fbe0ff...6c.exe

windows7_x64

10

eab3fbe0ff...6c.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    eab3fbe0ffb03366b67145f3e3c49d425c373bdef029ff3602b59e9580285e6c

  • Size

    1.1MB

  • Sample

    220328-rs66eafagj

  • MD5

    3fe1770420f1625c60a395e91b665ea6

  • SHA1

    55a317a2ef7e3e18b94d69bfb86bb25c10a31a7b

  • SHA256

    eab3fbe0ffb03366b67145f3e3c49d425c373bdef029ff3602b59e9580285e6c

  • SHA512

    dbafbf8f46d04d3a37b22bbf2bd6c13a3b04fbe5cac7d075cc00cc1befa7db8667497fc048b96ea43286d397ec20fbf5fe35794600bf6099dc9cc6f2d4bfcb62

Score
10/10
darkcometsazanevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Sazan

C2

adm44.duckdns.org:1604

Mutex

DC_MUTEX-5LRPLCA

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    ADsR0jwEcc6b

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      eab3fbe0ffb03366b67145f3e3c49d425c373bdef029ff3602b59e9580285e6c

    • Size

      1.1MB

    • MD5

      3fe1770420f1625c60a395e91b665ea6

    • SHA1

      55a317a2ef7e3e18b94d69bfb86bb25c10a31a7b

    • SHA256

      eab3fbe0ffb03366b67145f3e3c49d425c373bdef029ff3602b59e9580285e6c

    • SHA512

      dbafbf8f46d04d3a37b22bbf2bd6c13a3b04fbe5cac7d075cc00cc1befa7db8667497fc048b96ea43286d397ec20fbf5fe35794600bf6099dc9cc6f2d4bfcb62

    Score
    10/10
    darkcometsazanevasionpersistencerattrojan

    • 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