General

  • Target

    918ab61f99a66af67e75300e4fb5b58fe6547bab2d5468cc57dc7a2146b40c59

  • Size

    1.3MB

  • Sample

    221123-hl4x2ahf2v

  • MD5

    5b4676c83b81c115e4213863027a8cd8

  • SHA1

    c6ce3d2675c4fb5e160976ed0c1ee0ac7fdfda15

  • SHA256

    918ab61f99a66af67e75300e4fb5b58fe6547bab2d5468cc57dc7a2146b40c59

  • SHA512

    5799829fe0fc921fa91f93573d5ddfb155ab04541260a3b864e9cc68dc6512c1fe348f844cac6db09e5666efcb540efb1a3f65d93677aedbade888196d87261d

  • SSDEEP

    24576:PHwF8vrx52t07FQaWZ1xuVVjfFoynPaVBUR8f+kN10EBCvzR:PQF8vrYaKamQDgok30/bR

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

big_hacker.no-ip.biz:76

Mutex

DC_MUTEX-6MQJ6G6

Attributes
  • InstallPath

    SYS32\sys32.exe

  • gencode

    V9HSzMovyRBL

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Extracted

Family

cybergate

Version

v3.4.2.2

Botnet

remote

C2

miecrosoft.servehttp.com:81

bighacker.no-ip.biz:99

Mutex

BD8K6YUOG4TT2Q

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    nividia

  • install_file

    nividia

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    cybergate

Targets

    • Target

      918ab61f99a66af67e75300e4fb5b58fe6547bab2d5468cc57dc7a2146b40c59

    • Size

      1.3MB

    • MD5

      5b4676c83b81c115e4213863027a8cd8

    • SHA1

      c6ce3d2675c4fb5e160976ed0c1ee0ac7fdfda15

    • SHA256

      918ab61f99a66af67e75300e4fb5b58fe6547bab2d5468cc57dc7a2146b40c59

    • SHA512

      5799829fe0fc921fa91f93573d5ddfb155ab04541260a3b864e9cc68dc6512c1fe348f844cac6db09e5666efcb540efb1a3f65d93677aedbade888196d87261d

    • SSDEEP

      24576:PHwF8vrx52t07FQaWZ1xuVVjfFoynPaVBUR8f+kN10EBCvzR:PQF8vrYaKamQDgok30/bR

    • CyberGate, Rebhip

      CyberGate is a lightweight remote administration tool with a wide array of functionalities.

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Modifies security service

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

2
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

7
T1112

Disabling Security Tools

2
T1089

Hidden Files and Directories

2
T1158

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks