Analysis

  • max time kernel
    71s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19-10-2022 18:24

General

  • Target

    challenge-files/challenge-files/2021-06-02-fake-gzip-file-from-supplementik.top.gz

  • Size

    730KB

  • MD5

    0208817d1a0a9bd2b5ba9bb87eb934d6

  • SHA1

    ba190c8cfba453e163dc0035ece7d3a1c0c4e08f

  • SHA256

    ea872a29ed2189432ff3f8ce807412eaa200928fadf9eb918518be5d5bd0ca1e

  • SHA512

    2a4c26bee05c2d1f0e5629fa692d3bd41540e04dbc690604c050f72a03cab9bafff7dd4a7ae8587b59fed77211c1c1f278b6a3b860a0ec6c1846199a971174b5

  • SSDEEP

    12288:yKKYkbSL7/TaiQmAyBkK2hA2nczTsoQ+g7GuFg5+GAoWv6RbrjUyHzvyTA:xK7SL6LmAyBk1A2nqBsGT5W6RbrjJzKA

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 10 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\challenge-files\challenge-files\2021-06-02-fake-gzip-file-from-supplementik.top.gz
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\challenge-files\challenge-files\2021-06-02-fake-gzip-file-from-supplementik.top.gz
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
        "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\challenge-files\challenge-files\2021-06-02-fake-gzip-file-from-supplementik.top.gz"
        3⤵
        • Suspicious use of SetWindowsHookEx
        PID:576

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads

  • memory/576-81-0x0000000000000000-mapping.dmp
  • memory/576-82-0x0000000076401000-0x0000000076403000-memory.dmp
    Filesize

    8KB

  • memory/1832-54-0x000007FEFC341000-0x000007FEFC343000-memory.dmp
    Filesize

    8KB

  • memory/2024-76-0x0000000000000000-mapping.dmp