Analysis

  • max time kernel
    52s
  • max time network
    79s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 22:56

General

  • Target

    会员终结者3.8.exe

  • Size

    1.3MB

  • MD5

    c308423474f15a521a02e8f8213ba459

  • SHA1

    49c9735a32ce2c3e1e4c7a99e5110f94d0b1a3fd

  • SHA256

    3514ebc94c64e6faf1da7c91df9b4d7695bd7717eb34eabde4ee96157abcf4d7

  • SHA512

    14ab8fd0e4efc50b1e9b6b8bc9954c3cbeb6eaa37da11c433d73e7a9af162c3e6ec7429d3edf2235a6debac229a7c5c9e930a69c6f0c133646fe5da26b573d59

  • SSDEEP

    24576:E7wnMrzYmRa8tH9Vo8QBTQ+WY590c0aRH8fFkj1vzDDST:E3YOtZE+YMaRcfi9O

Score
8/10

Malware Config

Signatures

  • VMProtect packed file 4 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\会员终结者3.8.exe
    "C:\Users\Admin\AppData\Local\Temp\会员终结者3.8.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:860

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/860-54-0x0000000075071000-0x0000000075073000-memory.dmp
    Filesize

    8KB

  • memory/860-55-0x0000000000400000-0x00000000007E7000-memory.dmp
    Filesize

    3.9MB

  • memory/860-57-0x0000000000400000-0x00000000007E7000-memory.dmp
    Filesize

    3.9MB

  • memory/860-58-0x0000000002F20000-0x0000000002F47000-memory.dmp
    Filesize

    156KB

  • memory/860-59-0x0000000000400000-0x00000000007E7000-memory.dmp
    Filesize

    3.9MB

  • memory/860-61-0x0000000070E41000-0x0000000070E43000-memory.dmp
    Filesize

    8KB

  • memory/860-62-0x0000000000400000-0x00000000007E7000-memory.dmp
    Filesize

    3.9MB