General

  • Target

    0b52039ff3929002508ee2075aa840f6a1a4a35cb9af866882fc43f9f3ed2643

  • Size

    926KB

  • Sample

    221128-f5bpgshd92

  • MD5

    79ada15c4f8a7fbd9d272672712e5373

  • SHA1

    4cb9fe1d91d6777b2a3b1bdc0ec7ff801e175dc2

  • SHA256

    0b52039ff3929002508ee2075aa840f6a1a4a35cb9af866882fc43f9f3ed2643

  • SHA512

    f76457132767904b1070f152ec8e7d97ef8db9de7eac5291c344d89faee75f0eaffcee9eb587dec640067690c0391ffc2182ec4693e8fab0af5807b6ac92e884

  • SSDEEP

    24576:PoV6rg3tqKfO3bmhXysm8a+XYw0OCo/tAMQoKNWfQ:PoMrIHCbsmeowsMM0Q

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

testew

C2

viperboy.no-ip.info:2000

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

  • regkey_hkcu

    HKCU

  • regkey_hklm

    HKLM

Targets

    • Target

      0b52039ff3929002508ee2075aa840f6a1a4a35cb9af866882fc43f9f3ed2643

    • Size

      926KB

    • MD5

      79ada15c4f8a7fbd9d272672712e5373

    • SHA1

      4cb9fe1d91d6777b2a3b1bdc0ec7ff801e175dc2

    • SHA256

      0b52039ff3929002508ee2075aa840f6a1a4a35cb9af866882fc43f9f3ed2643

    • SHA512

      f76457132767904b1070f152ec8e7d97ef8db9de7eac5291c344d89faee75f0eaffcee9eb587dec640067690c0391ffc2182ec4693e8fab0af5807b6ac92e884

    • SSDEEP

      24576:PoV6rg3tqKfO3bmhXysm8a+XYw0OCo/tAMQoKNWfQ:PoMrIHCbsmeowsMM0Q

    • CyberGate, Rebhip

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

    • Modifies WinLogon for persistence

    • Adds policy Run key to start application

    • Executes dropped EXE

    • Modifies Installed Components in the registry

    • UPX packed file

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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

3
T1060

Defense Evasion

Modify Registry

4
T1112

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

1
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

1
T1082

Tasks