Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-09-2024 23:22

General

  • Target

    ChaosRansomwareBuilderVersion4-main/Src Code/Chaos Ransomware Builder v4.sln

  • Size

    1KB

  • MD5

    9e235013f192305fd8d54547b1275562

  • SHA1

    a2c2b5fd1e579b2d3c053ce95ce6f9478933912f

  • SHA256

    9f1b1ad0c1a8388204d8de9d51bf24db03003966dd9a6a60923532664822c761

  • SHA512

    b045d6a24ba57dae17407b1b3b2fd0eb9368611bd2a1936c2f0bf9038a15f237070d01bd2f8a25af75cbcf12b5958def7c955126f5fa18c0b0db0c3b5843858e

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 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 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\ChaosRansomwareBuilderVersion4-main\Src Code\Chaos Ransomware Builder v4.sln"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2356
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderVersion4-main\Src Code\Chaos Ransomware Builder v4.sln
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2648
      • 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\ChaosRansomwareBuilderVersion4-main\Src Code\Chaos Ransomware Builder v4.sln"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:860

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

    1d98eb58df53eed919051253af41ca9d

    SHA1

    15d5e3885af8dae115e6d248aab0caed7c0553f0

    SHA256

    d846e0cbf90ac7821800bc71272f7aa9c31c3cd520a020829d06def6a2f15439

    SHA512

    941276e292710297b815eee8456ed510bc75ce3e1b5726980c4b5207f3b990282445797324a71edbf40c3ddea9072eeff0c17249a978736656ce1ad3ad4e849a