Analysis

  • max time kernel
    22s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 18:48

General

  • Target

    远程监控/LZMA/Stubs/lzma.exe

  • Size

    38KB

  • MD5

    775d7a348a4fcb8eca288eb49409cd71

  • SHA1

    154b11656fb024eb9db898b9ff6de5892a18bae7

  • SHA256

    d0f58218a9bc51451b1c442e0ece151455b99e4c7a8e3a424693dae9bc89dfee

  • SHA512

    0e33028f4487e47e95cd8d862d2dfd20243f4c18ff6f2f6a0174539bc385e1c7fe64ec956f44bd61d7f5982cae4f16e9bc5707f9d5e5c49730ccbd38ed48c2fd

  • SSDEEP

    768:do8V6JE2W6aCEzK6rbpwSKIUY0TdyHIUlXyBFbPJh6S9a6ai:PYJE25aDNXUY6u94PJh6k

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\远程监控\LZMA\Stubs\lzma.exe
    "C:\Users\Admin\AppData\Local\Temp\远程监控\LZMA\Stubs\lzma.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 412
      2⤵
      • Program crash
      PID:1376

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1376-56-0x0000000000000000-mapping.dmp

  • memory/1964-54-0x0000000074D81000-0x0000000074D83000-memory.dmp

    Filesize

    8KB

  • memory/1964-55-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/1964-57-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB