Analysis

  • max time kernel
    45s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-07-2022 14:09

General

  • Target

    INV871623.txt.lnk

  • Size

    1KB

  • MD5

    7c1073209e40cb0957e097eb86ae4d79

  • SHA1

    fd8b3b87f44bfef8f5a7af23adf496b5494eaf01

  • SHA256

    1202a0e6d4b0282bcade76291346b5b410f05e05c978c087147a4c2006d69b42

  • SHA512

    ac6b78c0657388119e3c7d70c3b708ffbdc643965dcd9d11240b96110559b5e24409bc34921fa700bdeb39c16d37b40b6c1b83420f302137a46c84ca66e61406

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\INV871623.txt.lnk
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1828
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -exec bypass -w h -file THjkgeCbhjm.ps1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1628

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1628-88-0x0000000000000000-mapping.dmp
  • memory/1628-93-0x000007FEF4460000-0x000007FEF4E83000-memory.dmp
    Filesize

    10.1MB

  • memory/1628-95-0x00000000025B4000-0x00000000025B7000-memory.dmp
    Filesize

    12KB

  • memory/1628-94-0x000007FEF3900000-0x000007FEF445D000-memory.dmp
    Filesize

    11.4MB

  • memory/1628-96-0x00000000025B4000-0x00000000025B7000-memory.dmp
    Filesize

    12KB

  • memory/1828-54-0x000007FEFC4B1000-0x000007FEFC4B3000-memory.dmp
    Filesize

    8KB