Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-05-2024 12:49

General

  • Target

    GHO浏览工具.exe

  • Size

    3.5MB

  • MD5

    5ccdde49433300bd61c3314961dcfe47

  • SHA1

    14b151138bacf619a52c7ff53fa02e46679fa1db

  • SHA256

    cfaa95243817ee4ed788df560274343b4d65157db336c0cc9fc4eaccb9e3f8e4

  • SHA512

    8a7a406409c1b54592b66adaddc3238e76c94bf5007d0651ea60e166b946358066a7f93f670928845d8d3535847f558c8e6756d7a1cc1f857fe5599966447c27

  • SSDEEP

    98304:+nv32gJrZ/7iSO1C+ojzuZYj+Zu3YAuAWrVg7rhRq:Kv33rZ/7iSOfYj+MPuXrVgxU

Score
6/10

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 3 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\GHO浏览工具.exe
    "C:\Users\Admin\AppData\Local\Temp\GHO浏览工具.exe"
    1⤵
    • Enumerates connected drives
    • Maps connected drives based on registry
    • Writes to the Master Boot Record (MBR)
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2952

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Defense Evasion

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

3
T1082

Replay Monitor

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Downloads