Analysis

  • max time kernel
    41s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 08:57

General

  • Target

    8908dd0993b3e964858095b1bbcf4101.exe

  • Size

    390KB

  • MD5

    8908dd0993b3e964858095b1bbcf4101

  • SHA1

    093b08f2be8f8c56303b6c0d6a6577d362c77ac0

  • SHA256

    3bb788b0d558a8e52a71b1fcb57ee9c74ce4949a5398831fb8aad57f029f2b3d

  • SHA512

    6fa7afcf84fd4c8e64af4f9ec432a72e1beef6d1fa2336913c0b3e97f57a8f837faf9494b5e2f11af03a7154c2f18913b3ff05cb1497fff5c179fadfcc5cb4a8

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8908dd0993b3e964858095b1bbcf4101.exe
    "C:\Users\Admin\AppData\Local\Temp\8908dd0993b3e964858095b1bbcf4101.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "8908dd0993b3e964858095b1bbcf4101.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\8908dd0993b3e964858095b1bbcf4101.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1816
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "8908dd0993b3e964858095b1bbcf4101.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:836

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/836-60-0x0000000000000000-mapping.dmp

  • memory/1276-54-0x00000000005F8000-0x000000000061E000-memory.dmp

    Filesize

    152KB

  • memory/1276-55-0x0000000076C01000-0x0000000076C03000-memory.dmp

    Filesize

    8KB

  • memory/1276-59-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/1276-57-0x00000000005F8000-0x000000000061E000-memory.dmp

    Filesize

    152KB

  • memory/1276-58-0x0000000000220000-0x000000000025F000-memory.dmp

    Filesize

    252KB

  • memory/1816-56-0x0000000000000000-mapping.dmp