Overview

overview

10

Static

static

10

easy_Malic...cf.exe

windows7-x64

10

easy_Malic...cf.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    easy_Malicious_2da05edc14df9557fc474515f29ca7f4a5c2fcb2de085c443ab37cace93194cf.exe

  • Size

    1.4MB

  • Sample

    230704-r9rr2sfg3x

  • MD5

    49f3321b14dd9dcb9108b1c6d139bc7b

  • SHA1

    35876b7c9ff2a3c609792c9d49a9641dc181bfec

  • SHA256

    933aba01ef4f1c57b7f6b82a59dcdada8f8689eb711e5a6c165f6b3d6ee3aa68

  • SHA512

    f922d959e0f6e746a4c360ccd406784d5fe5115f16b5cb14256e5557440d5636709d1a2bbc88127cf604c100207558028a08a0ff8ccb0cac42452d195c044abb

  • SSDEEP

    24576:nZ1xuVVjfFoynPaVBUR8f+kN10EBbZ1xuVVjfFoynPaVBUR8f+kN10EBsgugEnoI:ZQDgok302QDgok30hgEnoSE5I

Score
10/10
darkcometsazanevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Sazan

C2

ratcidavut.duckdns.org:1604

Mutex

DC_MUTEX-EGAAD3Q

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    QmqknQ6ovQPD

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      easy_Malicious_2da05edc14df9557fc474515f29ca7f4a5c2fcb2de085c443ab37cace93194cf.exe

    • Size

      1.4MB

    • MD5

      49f3321b14dd9dcb9108b1c6d139bc7b

    • SHA1

      35876b7c9ff2a3c609792c9d49a9641dc181bfec

    • SHA256

      933aba01ef4f1c57b7f6b82a59dcdada8f8689eb711e5a6c165f6b3d6ee3aa68

    • SHA512

      f922d959e0f6e746a4c360ccd406784d5fe5115f16b5cb14256e5557440d5636709d1a2bbc88127cf604c100207558028a08a0ff8ccb0cac42452d195c044abb

    • SSDEEP

      24576:nZ1xuVVjfFoynPaVBUR8f+kN10EBbZ1xuVVjfFoynPaVBUR8f+kN10EBsgugEnoI:ZQDgok302QDgok30hgEnoSE5I

    Score
    10/10
    darkcometsazanevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

2
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

7
T1112

Disabling Security Tools

2
T1089

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