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Analysis

  • max time kernel
    147s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 10 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 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\071c23ae75e84b754dcd5b6e22056d28_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\071c23ae75e84b754dcd5b6e22056d28_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Users\Admin\AppData\Local\Temp\msmh.exe
      "C:\Users\Admin\AppData\Local\Temp\msmh.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3064
      • C:\Users\Admin\AppData\Local\Temp\msmh.exe
        C:\Users\Admin\AppData\Local\Temp\msmh.exe b
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:3068
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\msmh.exe"
          4⤵
            PID:2632
      • C:\Users\Admin\AppData\Local\Temp\emailextractor.exe
        "C:\Users\Admin\AppData\Local\Temp\emailextractor.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1720
        • C:\Users\Admin\AppData\Local\Temp\INS2868.tmp
          C:\Users\Admin\AppData\Local\Temp\INS2868.tmp /SL2 C:\Users\Admin\AppData\Local\Temp\emailextractor.exe 695216 698160 59904
          3⤵
          • Executes dropped EXE
          PID:2744

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      686KB

      MD5

      4b1d8cc66e1242f635630004b24485b5

      SHA1

      63983c61258d46f04c41eb50d9b033127df9eb29

      SHA256

      13159e26ef2c6c3ff1ed05bdd9c9fbfd7f22eb9dc4ee0c5c187b4769468355c0

      SHA512

      d24a7727fec154832230c549cd2eaddada3961eb86718b3870591d6bc2d26c8f687132f715065e0f793221999484e571b5e0d3b27937a6f1918a6775cf23fb02

    • \Users\Admin\AppData\Local\Temp\INS2868.tmp

      Filesize

      309KB

      MD5

      428e857334568f7c6b3d81470eafa938

      SHA1

      e255c1c5c9386cca77ffc19a32485777e63c1757

      SHA256

      995a9d2fb234c2832f21bebd28bbf02f7400d46e188433ab105d2963b5fdd3d7

      SHA512

      58c9f45eee12060f33500aabaeb919784445322bb7fbfce4909de035932fc4afde6f9506cc6154eb4362d022dde24af66368aab18297759bdb0077e5b2b47db0

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

      Filesize

      73KB

      MD5

      5290ea3a0b7371d6efcaf605111f5325

      SHA1

      89c1876e9d515c6be25e1dc80b5a577c883e3459

      SHA256

      d0009dbcb51202b589b359903f1181c2ca00f5d475dfc7e8af69904cc09360b3

      SHA512

      8d3a839ee106c4ac786a373b27e97665b180c75ff3bd5f3372f4f2fc0ad49b0a8b50d806a36d402282b4b523992fc6b9cb1eefea6fc24ac0b5d090286b0320d1

    • memory/1720-48-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB

    • memory/2744-49-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2944-14-0x0000000077CA0000-0x0000000077CCB000-memory.dmp

      Filesize

      172KB

    • memory/2944-27-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/2944-0-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/2944-5-0x0000000077CA0000-0x0000000077CCB000-memory.dmp

      Filesize

      172KB

    • memory/3064-16-0x0000000077CA0000-0x0000000077CCB000-memory.dmp

      Filesize

      172KB

    • memory/3064-33-0x0000000077CA0000-0x0000000077CCB000-memory.dmp

      Filesize

      172KB

    • memory/3064-18-0x0000000000220000-0x000000000024B000-memory.dmp

      Filesize

      172KB

    • memory/3068-38-0x0000000077CA0000-0x0000000077CCB000-memory.dmp

      Filesize

      172KB