General

  • Target

    9ef5e3c400b784e935d265dc67e01f5c_JaffaCakes118

  • Size

    440KB

  • Sample

    240816-s3ve2awerp

  • MD5

    9ef5e3c400b784e935d265dc67e01f5c

  • SHA1

    8485b19376e2db73b460a020d2c8e7560e2d2b97

  • SHA256

    9662fcefb0492f1c9f35de101b59c64f4e1df4f98c7a00a41d72e0efbdd845b9

  • SHA512

    3164381b07455780013fe50982e754e7efb2a0a810d12261d4f8a3fa09a2d3eba6e557693c2c29dbd9191ccdcf1a76443c85f16a1fa7b9aeadf585b13e86a12e

  • SSDEEP

    6144:BLP279x6Tg7pkz0gqIgXN9+JwVgL17MdnoFTeLS1Xdnq0VLCH/:B89xoLBqIg9ZglMiFTldI

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

Cyber

C2

letzdirty.no-ip.biz:1320

Mutex

3A0722N842NWB6

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    WinDir

  • install_file

    Svchost.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    123456

  • regkey_hkcu

    HKCU

  • regkey_hklm

    HKLM

Targets

    • Target

      9ef5e3c400b784e935d265dc67e01f5c_JaffaCakes118

    • Size

      440KB

    • MD5

      9ef5e3c400b784e935d265dc67e01f5c

    • SHA1

      8485b19376e2db73b460a020d2c8e7560e2d2b97

    • SHA256

      9662fcefb0492f1c9f35de101b59c64f4e1df4f98c7a00a41d72e0efbdd845b9

    • SHA512

      3164381b07455780013fe50982e754e7efb2a0a810d12261d4f8a3fa09a2d3eba6e557693c2c29dbd9191ccdcf1a76443c85f16a1fa7b9aeadf585b13e86a12e

    • SSDEEP

      6144:BLP279x6Tg7pkz0gqIgXN9+JwVgL17MdnoFTeLS1Xdnq0VLCH/:B89xoLBqIg9ZglMiFTldI

    • 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

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Tasks