Analysis

  • max time kernel
    139s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20-04-2024 04:07

General

  • Target

    fbe413e2c17aac081ead45ab3e2d0dd0_JaffaCakes118.exe

  • Size

    3.9MB

  • MD5

    fbe413e2c17aac081ead45ab3e2d0dd0

  • SHA1

    d3e6d4853e939584f7f0acd62807c374fc706a9e

  • SHA256

    a459d6d38729586612bc2eee9e5e38ecb7b8681569c43e155cc55bec93b984cb

  • SHA512

    e02b2ae42e93ef61c77f37fa039b6e6f2cf0cbdaa8a1bc718eb08107e8b5bc6c62bc77d9021cdfdb140bb7b408d72d1e769d2d92b1e8c6418de4562bd8061b84

  • SSDEEP

    98304:++BwQk7NeEcakcibiqhMbMgOn7n0bcakcibiqhNZhHnsntniEa8/sMcakcibiqhd:1BwndlirybMgOnkdlirTHwikxdlirybo

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 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\fbe413e2c17aac081ead45ab3e2d0dd0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fbe413e2c17aac081ead45ab3e2d0dd0_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Users\Admin\AppData\Local\Temp\fbe413e2c17aac081ead45ab3e2d0dd0_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fbe413e2c17aac081ead45ab3e2d0dd0_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2648
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\fbe413e2c17aac081ead45ab3e2d0dd0_JaffaCakes118.exe" /TN ZBrUCVBB2555 /F
        3⤵
        • Creates scheduled task(s)
        PID:2688
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN ZBrUCVBB2555 > C:\Users\Admin\AppData\Local\Temp\pqzamxp8.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2604
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN ZBrUCVBB2555
          4⤵
            PID:2084

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\pqzamxp8.xml

      Filesize

      1KB

      MD5

      2383ce9dae528bf224b681bdd629dbd0

      SHA1

      4807438232028107a7ad2f10a8b103c5ceb1f951

      SHA256

      7d5fbede3db1d9d4315df7c33646e9f6d25b4a78ab10d72d076f7c5bea2717b5

      SHA512

      c981c3b8a55f6c0a5f463aee72795c4824be80c421935bb9e88686bb288e66fd503ee22f868adf4d0c4d427ca26a39e1236ff451a4aaf6af3d78a089691f355e

    • \Users\Admin\AppData\Local\Temp\fbe413e2c17aac081ead45ab3e2d0dd0_JaffaCakes118.exe

      Filesize

      3.9MB

      MD5

      fab7e930e6fc9abf319d7bb1816e75db

      SHA1

      0214e03a560b822312a5a928ffde16b6e32919f9

      SHA256

      f0bcf8e21703e71a28f033d9c6b07193ecc3e8788f263b8da03fd9d85e5ccaa6

      SHA512

      1d64bb898421e371c2033afd12621b1e8751c503124249d4252e0220a1475cd4fcdbaf1416052388d39f42896901168a0533cadb1e2b222a602137c54554d476

    • memory/2380-0-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2380-1-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2380-4-0x0000000000350000-0x00000000003CE000-memory.dmp

      Filesize

      504KB

    • memory/2380-15-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2380-16-0x0000000023590000-0x00000000237EC000-memory.dmp

      Filesize

      2.4MB

    • memory/2648-19-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2648-21-0x0000000022D90000-0x0000000022E0E000-memory.dmp

      Filesize

      504KB

    • memory/2648-28-0x0000000000380000-0x00000000003EB000-memory.dmp

      Filesize

      428KB

    • memory/2648-26-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/2648-53-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB