Analysis

  • max time kernel
    141s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01/10/2024, 23:46

General

  • Target

    07e9b75c07aa0cce5d35d0d737198329_JaffaCakes118.exe

  • Size

    215KB

  • MD5

    07e9b75c07aa0cce5d35d0d737198329

  • SHA1

    a3562c2a34cc834dd53c1b2e963ec587ac9b849c

  • SHA256

    52eca00f38a8b99e2750a5cac39eda89ea771ab5bd17c88172dcd9eddba2f124

  • SHA512

    cc15020003f732f58405f8ad583d574215f74bb6d764bc95dcb5011082b5db2f697d27b6e9cf5e9d53abd483e7ffbd4b85eff5d281374b3251fc29a1f717dc5a

  • SSDEEP

    6144:PMJNBqE5lmRWmRvH+Ed2315xc2PeZOqQUknu:PINBq4luWAPITdUODUknu

Malware Config

Signatures

  • Drops file in Drivers directory 4 IoCs
  • Possible privilege escalation attempt 24 IoCs
  • Modifies file permissions 1 TTPs 24 IoCs
  • File and Directory Permissions Modification: Windows File and Directory Permissions Modification 1 TTPs
  • Drops file in System32 directory 18 IoCs
  • UPX packed file 2 IoCs

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

  • 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.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\07e9b75c07aa0cce5d35d0d737198329_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\07e9b75c07aa0cce5d35d0d737198329_JaffaCakes118.exe"
    1⤵
    • Drops file in Drivers directory
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /C ""C:\Windows\system32\takeown.exe" /F "C:\Windows\System32\de-de\user32.dll.mui" /A&"C:\Windows\system32\icacls.exe" "C:\Windows\System32\de-de\user32.dll.mui" /reset&"C:\Windows\system32\icacls.exe" "C:\Windows\System32\de-de\user32.dll.mui" /grant "Admin":f"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2796
      • C:\Windows\system32\takeown.exe
        "C:\Windows\system32\takeown.exe" /F "C:\Windows\System32\de-de\user32.dll.mui" /A
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:2500
      • C:\Windows\system32\icacls.exe
        "C:\Windows\system32\icacls.exe" "C:\Windows\System32\de-de\user32.dll.mui" /reset
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:2876
      • C:\Windows\system32\icacls.exe
        "C:\Windows\system32\icacls.exe" "C:\Windows\System32\de-de\user32.dll.mui" /grant "Admin":f
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:444
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /C ""C:\Windows\system32\takeown.exe" /F "C:\Windows\System32\en-us\user32.dll.mui" /A&"C:\Windows\system32\icacls.exe" "C:\Windows\System32\en-us\user32.dll.mui" /reset&"C:\Windows\system32\icacls.exe" "C:\Windows\System32\en-us\user32.dll.mui" /grant "Admin":f"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2816
      • C:\Windows\system32\takeown.exe
        "C:\Windows\system32\takeown.exe" /F "C:\Windows\System32\en-us\user32.dll.mui" /A
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:2188
      • C:\Windows\system32\icacls.exe
        "C:\Windows\system32\icacls.exe" "C:\Windows\System32\en-us\user32.dll.mui" /reset
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:2884
      • C:\Windows\system32\icacls.exe
        "C:\Windows\system32\icacls.exe" "C:\Windows\System32\en-us\user32.dll.mui" /grant "Admin":f
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:2960
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /C ""C:\Windows\system32\takeown.exe" /F "C:\Windows\System32\es-es\user32.dll.mui" /A&"C:\Windows\system32\icacls.exe" "C:\Windows\System32\es-es\user32.dll.mui" /reset&"C:\Windows\system32\icacls.exe" "C:\Windows\System32\es-es\user32.dll.mui" /grant "Admin":f"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2692
      • C:\Windows\system32\takeown.exe
        "C:\Windows\system32\takeown.exe" /F "C:\Windows\System32\es-es\user32.dll.mui" /A
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:2616
      • C:\Windows\system32\icacls.exe
        "C:\Windows\system32\icacls.exe" "C:\Windows\System32\es-es\user32.dll.mui" /reset
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:1020
      • C:\Windows\system32\icacls.exe
        "C:\Windows\system32\icacls.exe" "C:\Windows\System32\es-es\user32.dll.mui" /grant "Admin":f
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:1344
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /C ""C:\Windows\system32\takeown.exe" /F "C:\Windows\System32\fr-fr\user32.dll.mui" /A&"C:\Windows\system32\icacls.exe" "C:\Windows\System32\fr-fr\user32.dll.mui" /reset&"C:\Windows\system32\icacls.exe" "C:\Windows\System32\fr-fr\user32.dll.mui" /grant "Admin":f"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2840
      • C:\Windows\system32\takeown.exe
        "C:\Windows\system32\takeown.exe" /F "C:\Windows\System32\fr-fr\user32.dll.mui" /A
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:2772
      • C:\Windows\system32\icacls.exe
        "C:\Windows\system32\icacls.exe" "C:\Windows\System32\fr-fr\user32.dll.mui" /reset
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:2964
      • C:\Windows\system32\icacls.exe
        "C:\Windows\system32\icacls.exe" "C:\Windows\System32\fr-fr\user32.dll.mui" /grant "Admin":f
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:536
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /C ""C:\Windows\system32\takeown.exe" /F "C:\Windows\System32\it-it\user32.dll.mui" /A&"C:\Windows\system32\icacls.exe" "C:\Windows\System32\it-it\user32.dll.mui" /reset&"C:\Windows\system32\icacls.exe" "C:\Windows\System32\it-it\user32.dll.mui" /grant "Admin":f"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2836
      • C:\Windows\system32\takeown.exe
        "C:\Windows\system32\takeown.exe" /F "C:\Windows\System32\it-it\user32.dll.mui" /A
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:2056
      • C:\Windows\system32\icacls.exe
        "C:\Windows\system32\icacls.exe" "C:\Windows\System32\it-it\user32.dll.mui" /reset
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:2504
      • C:\Windows\system32\icacls.exe
        "C:\Windows\system32\icacls.exe" "C:\Windows\System32\it-it\user32.dll.mui" /grant "Admin":f
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:2508
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /C ""C:\Windows\system32\takeown.exe" /F "C:\Windows\System32\ja-jp\user32.dll.mui" /A&"C:\Windows\system32\icacls.exe" "C:\Windows\System32\ja-jp\user32.dll.mui" /reset&"C:\Windows\system32\icacls.exe" "C:\Windows\System32\ja-jp\user32.dll.mui" /grant "Admin":f"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2916
      • C:\Windows\system32\takeown.exe
        "C:\Windows\system32\takeown.exe" /F "C:\Windows\System32\ja-jp\user32.dll.mui" /A
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:2492
      • C:\Windows\system32\icacls.exe
        "C:\Windows\system32\icacls.exe" "C:\Windows\System32\ja-jp\user32.dll.mui" /reset
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:2240
      • C:\Windows\system32\icacls.exe
        "C:\Windows\system32\icacls.exe" "C:\Windows\System32\ja-jp\user32.dll.mui" /grant "Admin":f
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:1964
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /C ""C:\Windows\system32\takeown.exe" /F "C:\Windows\rescache" /A&"C:\Windows\system32\icacls.exe" "C:\Windows\rescache" /reset&"C:\Windows\system32\icacls.exe" "C:\Windows\rescache" /grant "Admin":f"
      2⤵
        PID:2612
        • C:\Windows\system32\takeown.exe
          "C:\Windows\system32\takeown.exe" /F "C:\Windows\rescache" /A
          3⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          • Suspicious use of AdjustPrivilegeToken
          PID:2748
        • C:\Windows\system32\icacls.exe
          "C:\Windows\system32\icacls.exe" "C:\Windows\rescache" /reset
          3⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          PID:1240
        • C:\Windows\system32\icacls.exe
          "C:\Windows\system32\icacls.exe" "C:\Windows\rescache" /grant "Admin":f
          3⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          PID:1688
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /C ""C:\Windows\system32\takeown.exe" /F "C:\Windows\System32\drivers\tcpip.sys" /A&"C:\Windows\system32\icacls.exe" "C:\Windows\System32\drivers\tcpip.sys" /reset&"C:\Windows\system32\icacls.exe" "C:\Windows\System32\drivers\tcpip.sys" /grant "Admin":f"
        2⤵
          PID:2680
          • C:\Windows\system32\takeown.exe
            "C:\Windows\system32\takeown.exe" /F "C:\Windows\System32\drivers\tcpip.sys" /A
            3⤵
            • Possible privilege escalation attempt
            • Modifies file permissions
            • Suspicious use of AdjustPrivilegeToken
            PID:2948
          • C:\Windows\system32\icacls.exe
            "C:\Windows\system32\icacls.exe" "C:\Windows\System32\drivers\tcpip.sys" /reset
            3⤵
            • Possible privilege escalation attempt
            • Modifies file permissions
            PID:1996
          • C:\Windows\system32\icacls.exe
            "C:\Windows\system32\icacls.exe" "C:\Windows\System32\drivers\tcpip.sys" /grant "Admin":f
            3⤵
            • Possible privilege escalation attempt
            • Modifies file permissions
            PID:2184

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2076-0-0x0000000000400000-0x00000000004A9000-memory.dmp

        Filesize

        676KB

      • memory/2076-1-0x0000000000230000-0x0000000000231000-memory.dmp

        Filesize

        4KB

      • memory/2076-19-0x0000000000400000-0x00000000004A9000-memory.dmp

        Filesize

        676KB

      • memory/2076-21-0x0000000000230000-0x0000000000231000-memory.dmp

        Filesize

        4KB