Analysis

  • max time kernel
    139s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-04-2024 08:16

General

  • Target

    eaa27cdb38ea8b46d1dda4edf60fd688_JaffaCakes118.exe

  • Size

    1.5MB

  • MD5

    eaa27cdb38ea8b46d1dda4edf60fd688

  • SHA1

    79ffa8c861f441b05573cc4f08eed1511d89cb97

  • SHA256

    0c9190ab93b5b17fef74483606baaa955216b139fa371d75706b1eac8a86dadb

  • SHA512

    d3b3bc729fa2a4d3d40c7697d445b6dd356de4d91ee3204bb8819698710046b216dc23b70d6b6b162badcb9afa36f2ba7715617fa5af883bfedd15fb14e6c3e9

  • SSDEEP

    24576:2mrcY90lEBwTrl8a/gFcDMvzcjukL2uOcbpRYrD3c7yNqcjukL2Y:2mrcw0KqTrl8aJDM7cakLecbpRYE7yNZ

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\eaa27cdb38ea8b46d1dda4edf60fd688_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eaa27cdb38ea8b46d1dda4edf60fd688_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\eaa27cdb38ea8b46d1dda4edf60fd688_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\eaa27cdb38ea8b46d1dda4edf60fd688_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2816
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\eaa27cdb38ea8b46d1dda4edf60fd688_JaffaCakes118.exe" /TN ZBrUCVBB2555 /F
        3⤵
        • Creates scheduled task(s)
        PID:2660
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN ZBrUCVBB2555 > C:\Users\Admin\AppData\Local\Temp\gyFrICWtW.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2600
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN ZBrUCVBB2555
          4⤵
            PID:2580

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • \Users\Admin\AppData\Local\Temp\eaa27cdb38ea8b46d1dda4edf60fd688_JaffaCakes118.exe

      Filesize

      1.5MB

      MD5

      5171a06eb51a9e568701cb6883d62b02

      SHA1

      e32212115502b18a935ae0408bb541b8d6a78f6e

      SHA256

      c9d245e4f67177966b92e5954a9e99f9b1e14b91999026f4f53d04f373f2a101

      SHA512

      128251dc3eca778bc4f9d06a298e332790b0fc232d822c699bd233f11bf5fdecf4b7bf3976017032bc0d0b38d1282a4e7bffafe81f6603cdbeb107fa6ef79861

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

      Filesize

      428KB

    • memory/2372-3-0x0000000000220000-0x000000000029E000-memory.dmp

      Filesize

      504KB

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

      Filesize

      2.4MB

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

      Filesize

      428KB

    • memory/2372-15-0x0000000023110000-0x000000002336C000-memory.dmp

      Filesize

      2.4MB

    • memory/2816-19-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2816-21-0x0000000022E00000-0x0000000022E7E000-memory.dmp

      Filesize

      504KB

    • memory/2816-26-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/2816-31-0x0000000000470000-0x00000000004DB000-memory.dmp

      Filesize

      428KB

    • memory/2816-54-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB