Analysis

  • max time kernel
    151s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 05:26

General

  • Target

    94205d32e9a58542581895827520743b96d9111cf5012c006ad74e7da5473e83.exe

  • Size

    2.0MB

  • MD5

    4dadc73eb13e6a60dc6435de928c1a88

  • SHA1

    a9d48748892e57d1fd31da75e65e17de7aa84762

  • SHA256

    94205d32e9a58542581895827520743b96d9111cf5012c006ad74e7da5473e83

  • SHA512

    57a18eb52ae7c949f1bb2cb0014c4819e11a4e34205929bed11872bb640cbd317979b020bf5c1c9ccf7ce247a91ac11a8e8681bcb281edbdf5a54df8af63f14c

  • SSDEEP

    49152:RAhJsXnBgNmY7reOga4JNUiAEzFbVoJC4BRzVTLBOs:GJdNmY7rGh7zJJu/RzNBOs

Malware Config

Signatures

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\94205d32e9a58542581895827520743b96d9111cf5012c006ad74e7da5473e83.exe
    "C:\Users\Admin\AppData\Local\Temp\94205d32e9a58542581895827520743b96d9111cf5012c006ad74e7da5473e83.exe"
    1⤵
    • Identifies Wine through registry keys
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1588

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1588-54-0x0000000075661000-0x0000000075663000-memory.dmp

    Filesize

    8KB

  • memory/1588-55-0x0000000000400000-0x000000000083B000-memory.dmp

    Filesize

    4.2MB

  • memory/1588-56-0x0000000002120000-0x000000000224F000-memory.dmp

    Filesize

    1.2MB

  • memory/1588-57-0x0000000000400000-0x000000000083B000-memory.dmp

    Filesize

    4.2MB