General

  • Target

    5e81021c457cdf80bde2b93b23f51bc1_JaffaCakes118

  • Size

    432KB

  • Sample

    240720-bvjj5azfqq

  • MD5

    5e81021c457cdf80bde2b93b23f51bc1

  • SHA1

    13f8a6be08b4374f6ec3a73b73e1e45c9d112cbd

  • SHA256

    8b0eb4616a5877828f3e134215c0a237a85ac8b79c28ae3bdbbcd194d8c5f0ee

  • SHA512

    ba3eaec23e05b5a9a85c1a9ed889f2fb687104df447271948f694a5d30846e49c25b99e92ea3bc773b0099d23ec5c6ef3ddb02298bca0511a98ae719a205d710

  • SSDEEP

    6144:UqWlXL8pb3AxVgtFjRSxnljQsFHUdAsimMzLn+H4ofgLmdp3eobVGMKl3LCg:cWUHgtSxlsK+imMXuNfgLmiMUh

Malware Config

Extracted

Family

cybergate

Version

v1.04.8

Botnet

Cyber

C2

kakamalak.no-ip.biz:888

Mutex

CY4VXNYN2SSQQ3

Attributes
  • enable_keylogger

    true

  • enable_message_box

    true

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    winlogon.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    The win32.dll file is missing !

  • message_box_title

    Error

  • password

    123456

  • regkey_hkcu

    HKCU

  • regkey_hklm

    HKLM

Targets

    • Target

      5e81021c457cdf80bde2b93b23f51bc1_JaffaCakes118

    • Size

      432KB

    • MD5

      5e81021c457cdf80bde2b93b23f51bc1

    • SHA1

      13f8a6be08b4374f6ec3a73b73e1e45c9d112cbd

    • SHA256

      8b0eb4616a5877828f3e134215c0a237a85ac8b79c28ae3bdbbcd194d8c5f0ee

    • SHA512

      ba3eaec23e05b5a9a85c1a9ed889f2fb687104df447271948f694a5d30846e49c25b99e92ea3bc773b0099d23ec5c6ef3ddb02298bca0511a98ae719a205d710

    • SSDEEP

      6144:UqWlXL8pb3AxVgtFjRSxnljQsFHUdAsimMzLn+H4ofgLmdp3eobVGMKl3LCg:cWUHgtSxlsK+imMXuNfgLmiMUh

    • CyberGate, Rebhip

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

    • Adds policy Run key to start application

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Adds Run key to start application

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Active Setup

1
T1547.014

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Active Setup

1
T1547.014

Defense Evasion

Modify Registry

3
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks