Analysis

  • max time kernel
    171s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-10-2022 13:21

General

  • Target

    101b98413ac2e806489a3546bf1a141f213fa17d75e482dd320224b6d4cd914d.exe

  • Size

    173KB

  • MD5

    a0a24bf0941f975baf49b7268b078bb0

  • SHA1

    eb30899ec47623c6dbe3b013a7efba35c162248a

  • SHA256

    101b98413ac2e806489a3546bf1a141f213fa17d75e482dd320224b6d4cd914d

  • SHA512

    c31411be3c4294800f68f810123bffd1c83d5ad2ce66ce7280ac7b155d116b089315a50a911b27debe7968b0572a51aacf62391d43e7e3c97ae3389f1ba5bf21

  • SSDEEP

    3072:1pzRNYuluupWyvbOijh7UAoaI52pySvl3nW0CWcscGF8ZHmt4qvJA28:1ZRvupm9UX5WflXW5Wc88wGb28

Score
8/10

Malware Config

Signatures

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 3 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\101b98413ac2e806489a3546bf1a141f213fa17d75e482dd320224b6d4cd914d.exe
    "C:\Users\Admin\AppData\Local\Temp\101b98413ac2e806489a3546bf1a141f213fa17d75e482dd320224b6d4cd914d.exe"
    1⤵
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:4476
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
    1⤵
      PID:3980

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4476-132-0x0000000000400000-0x0000000000443908-memory.dmp

      Filesize

      270KB

    • memory/4476-133-0x0000000010000000-0x000000001004C000-memory.dmp

      Filesize

      304KB

    • memory/4476-134-0x0000000010000000-0x000000001004C000-memory.dmp

      Filesize

      304KB

    • memory/4476-135-0x0000000010000000-0x000000001004C000-memory.dmp

      Filesize

      304KB

    • memory/4476-136-0x0000000010000000-0x000000001004C000-memory.dmp

      Filesize

      304KB