Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11-04-2024 01:33

General

  • Target

    ec6720d018fa0071c07c7e3aeec5578e_JaffaCakes118.exe

  • Size

    1003KB

  • MD5

    ec6720d018fa0071c07c7e3aeec5578e

  • SHA1

    4d61cc482ed4d94f671e9f53d187c1934508d33c

  • SHA256

    3deb5280cdaa76eab6d0e7b14fed9a602a32284bdcaae9235a3ceda9f0e497e8

  • SHA512

    469f09a9479ba2cff11dfa6d7dc3cc62ca14479deaa6707da6c7ce44f2cfed298ea65f257c03584dea66fdca03673320e456fa54edb19623512715acfe3ac0da

  • SSDEEP

    24576:cNqr33dnhUyHj0DQgjWIcH5f+64JRWFULCD+:cNqrndnhUyHj0DWIcN+9zWFULG+

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ec6720d018fa0071c07c7e3aeec5578e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ec6720d018fa0071c07c7e3aeec5578e_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Users\Admin\AppData\Local\Temp\ec6720d018fa0071c07c7e3aeec5578e_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\ec6720d018fa0071c07c7e3aeec5578e_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\ec6720d018fa0071c07c7e3aeec5578e_JaffaCakes118.exe" /TN WiDkBlJDe41e /F
        3⤵
        • Creates scheduled task(s)
        PID:2664
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN WiDkBlJDe41e > C:\Users\Admin\AppData\Local\Temp\qdCI7EdR.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2564
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN WiDkBlJDe41e
          4⤵
            PID:2688

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • \Users\Admin\AppData\Local\Temp\ec6720d018fa0071c07c7e3aeec5578e_JaffaCakes118.exe

      Filesize

      1003KB

      MD5

      b1cfe72b5db44b1dad71e1ea8e97c7b5

      SHA1

      a84cf225452269d632dedb1078e0aa7fde6907de

      SHA256

      10f7659306a051b3418fec4576ceaa838131f7a96d349ea7250e09640fe5f699

      SHA512

      5913c9f2e3de1f5322593b2f57c87f0495669e1e6114cedcb4c11a3d1d9ff1491bac315605df2cbf98b1fb665e5f219727a4a3cf332ce6ff66e9df95dcf55db5

    • memory/2024-20-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2024-21-0x0000000022D90000-0x0000000022E0E000-memory.dmp

      Filesize

      504KB

    • memory/2024-26-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/2024-31-0x0000000000470000-0x00000000004DB000-memory.dmp

      Filesize

      428KB

    • memory/2024-54-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2372-1-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2372-3-0x00000000001A0000-0x000000000021E000-memory.dmp

      Filesize

      504KB

    • memory/2372-0-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2372-17-0x0000000023070000-0x00000000232CC000-memory.dmp

      Filesize

      2.4MB

    • memory/2372-16-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB