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Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/07/2024, 19:20

General

  • Target

    31a65114299c4405949acd4858778934_JaffaCakes118.exe

  • Size

    81KB

  • MD5

    31a65114299c4405949acd4858778934

  • SHA1

    9f09f4d6e61bac7d547cda9cc1c66d88df0020d5

  • SHA256

    05aaf2d4855f765e016ad7fb7d55531cc6f03a5b7b31553aa81d7cea6c4597cd

  • SHA512

    430d87aa28263ca94c16aec2803f73691727bf4f8bfac6d95e3ef7342dd64b3201b94aef88fd666f4d4800078bce2be70b2da0ab3109014ec8d07463153f6142

  • SSDEEP

    1536:jKDPPTHbuzvZPtXjVaAZbBh8WconV1NNwYGO7ZCuWJ1lOIhsOV8Q62/do:jqPPTHKzRlVaAZtcGV1NNweWJ17em8Qe

Score
7/10
upx

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\31a65114299c4405949acd4858778934_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\31a65114299c4405949acd4858778934_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4644
    • C:\Windows\SysWOW64\g5vH2Hrr.exe
      "C:\Windows\system32\g5vH2Hrr.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4328
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\SysWOW64\g5vH2Hrr.exe > nul
        3⤵
          PID:4836
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\31A651~1.EXE > nul
        2⤵
          PID:2736

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\g5vH2Hrr.exe

        Filesize

        81KB

        MD5

        31a65114299c4405949acd4858778934

        SHA1

        9f09f4d6e61bac7d547cda9cc1c66d88df0020d5

        SHA256

        05aaf2d4855f765e016ad7fb7d55531cc6f03a5b7b31553aa81d7cea6c4597cd

        SHA512

        430d87aa28263ca94c16aec2803f73691727bf4f8bfac6d95e3ef7342dd64b3201b94aef88fd666f4d4800078bce2be70b2da0ab3109014ec8d07463153f6142

      • memory/4328-14-0x0000000000400000-0x0000000000423000-memory.dmp

        Filesize

        140KB

      • memory/4328-15-0x0000000000400000-0x0000000000423000-memory.dmp

        Filesize

        140KB

      • memory/4644-0-0x0000000000400000-0x0000000000423000-memory.dmp

        Filesize

        140KB

      • memory/4644-1-0x0000000000400000-0x0000000000423000-memory.dmp

        Filesize

        140KB

      • memory/4644-4-0x0000000000400000-0x0000000000423000-memory.dmp

        Filesize

        140KB