Analysis

  • max time kernel
    18s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2025, 18:05

General

  • Target

    stub.wim

  • Size

    23KB

  • MD5

    ca9e55c46ef083cc7d041ca0e73cf40b

  • SHA1

    61bc48a6b6d5dc6686ab55dff330bdaf2c7d3dfb

  • SHA256

    ff8f3124fc3990644d9f509b33e109992d081ccbfac24cba880680f58587a6ff

  • SHA512

    e772ae58c00af74d6f3e47e22f969e52a46da9aecc16ad5bf5315cea1979ab0d110bb95baa8d6e650bec60c9d7e2a70373b9d5178b2b311a6e5946ee9e157a36

  • SSDEEP

    384:K3MLWHn3kIeoLF4+BlpFD4+CTJVr91CzEbLLe6Ym:On3kIhe+7pN4+6Vr9iEbfe6Ym

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\stub.wim
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:524
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\stub.wim
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2760
      • 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\stub.wim"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

    Filesize

    3KB

    MD5

    0273e48c662376ad5f3915787d8d6e85

    SHA1

    c0a229c789a2ffb0a8140940b7a12dc66ca73678

    SHA256

    7b8688c66b7a0b4d882f9502c24d6bfd4e70240224edbee13f4813697e7d1eb4

    SHA512

    5f09491e1a6a2fd31f12dfc22108b8253dc4aeec2fca68817c24db0543e3989c1548ee9e2009f9473fc374d2040990a1448e88ba8862a57b1aaeb77af58b2f10