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Analysis

  • max time kernel
    145s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/06/2024, 07:09

General

  • Target

    071c23ae75e84b754dcd5b6e22056d28_JaffaCakes118.exe

  • Size

    772KB

  • MD5

    071c23ae75e84b754dcd5b6e22056d28

  • SHA1

    ee3579b279cd3b6f5f555188e70c9fb459b4a958

  • SHA256

    27e836a494a3d63fbbc24f75ed4854f07bb3458641ba4062eb6dbf57b99a98eb

  • SHA512

    0e020fd7440646e5ec5ce738fe54dcf4c15427181b98e18a1e603b4f5099201286fba264d8a3de566661a7f54be50a2b958db9cd5f3d207d1ac0c598679cbf95

  • SSDEEP

    24576:eCxkZmvVi0FRAHgbGQjwZegfrxQU3SjZ6GPrb:eCx7V3FO9tOCSjZ6UX

Score
7/10
upx

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 4 IoCs
  • UPX packed file 5 IoCs

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

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

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

  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\071c23ae75e84b754dcd5b6e22056d28_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\071c23ae75e84b754dcd5b6e22056d28_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3080
    • C:\Users\Admin\AppData\Local\Temp\msmh.exe
      "C:\Users\Admin\AppData\Local\Temp\msmh.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1616
      • C:\Users\Admin\AppData\Local\Temp\msmh.exe
        C:\Users\Admin\AppData\Local\Temp\msmh.exe b
        3⤵
        • Checks computer location settings
        • Drops startup file
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:4988
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\msmh.exe"
          4⤵
            PID:3188
      • C:\Users\Admin\AppData\Local\Temp\emailextractor.exe
        "C:\Users\Admin\AppData\Local\Temp\emailextractor.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:488
        • C:\Users\Admin\AppData\Local\Temp\INS1B05.tmp
          C:\Users\Admin\AppData\Local\Temp\INS1B05.tmp /SL2 C:\Users\Admin\AppData\Local\Temp\emailextractor.exe 695216 698160 59904
          3⤵
          • Executes dropped EXE
          PID:1728
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4244 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3308

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\INS1B05.tmp

        Filesize

        309KB

        MD5

        428e857334568f7c6b3d81470eafa938

        SHA1

        e255c1c5c9386cca77ffc19a32485777e63c1757

        SHA256

        995a9d2fb234c2832f21bebd28bbf02f7400d46e188433ab105d2963b5fdd3d7

        SHA512

        58c9f45eee12060f33500aabaeb919784445322bb7fbfce4909de035932fc4afde6f9506cc6154eb4362d022dde24af66368aab18297759bdb0077e5b2b47db0

      • C:\Users\Admin\AppData\Local\Temp\emailextractor.exe

        Filesize

        686KB

        MD5

        4b1d8cc66e1242f635630004b24485b5

        SHA1

        63983c61258d46f04c41eb50d9b033127df9eb29

        SHA256

        13159e26ef2c6c3ff1ed05bdd9c9fbfd7f22eb9dc4ee0c5c187b4769468355c0

        SHA512

        d24a7727fec154832230c549cd2eaddada3961eb86718b3870591d6bc2d26c8f687132f715065e0f793221999484e571b5e0d3b27937a6f1918a6775cf23fb02

      • C:\Users\Admin\AppData\Local\Temp\msmh.exe

        Filesize

        73KB

        MD5

        5290ea3a0b7371d6efcaf605111f5325

        SHA1

        89c1876e9d515c6be25e1dc80b5a577c883e3459

        SHA256

        d0009dbcb51202b589b359903f1181c2ca00f5d475dfc7e8af69904cc09360b3

        SHA512

        8d3a839ee106c4ac786a373b27e97665b180c75ff3bd5f3372f4f2fc0ad49b0a8b50d806a36d402282b4b523992fc6b9cb1eefea6fc24ac0b5d090286b0320d1

      • memory/488-31-0x0000000000400000-0x0000000000417000-memory.dmp

        Filesize

        92KB

      • memory/1616-12-0x0000000077CA0000-0x0000000077CCB000-memory.dmp

        Filesize

        172KB

      • memory/1616-20-0x0000000077CA0000-0x0000000077CCB000-memory.dmp

        Filesize

        172KB

      • memory/1728-32-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/3080-0-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB

      • memory/3080-22-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB

      • memory/4988-19-0x0000000077CA0000-0x0000000077CCB000-memory.dmp

        Filesize

        172KB

      • memory/4988-26-0x0000000077CA0000-0x0000000077CCB000-memory.dmp

        Filesize

        172KB