Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    27-06-2024 21:11

General

  • Target

    178ae9ec0d28ecbd42dec28de30376c5_JaffaCakes118.exe

  • Size

    91KB

  • MD5

    178ae9ec0d28ecbd42dec28de30376c5

  • SHA1

    1d6ee629611b7e11fadb5153e214b9784cf9a950

  • SHA256

    87f95cf06cf4aca5be6bcf8e85ec2592611db73e32b703f6802b9679145f1f1a

  • SHA512

    c95e636fa0e1664a68fec663b14b296b5caa84788e9949627a3a51cb0f9ed7e155bb22edfea412ef819783d54fcc91d6348d1ebad628038f3a8c0b6573667df6

  • SSDEEP

    1536:ZiDLG7z8p+SZjBHdEhIxBtS5Q5grdU3+kNS9Y/bmF6uIo6nX7mNeomBZzJ1J+B00:ZifEzyPHdEaaQ5g2Ow2Y/bmF65NCNeoR

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 5 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\178ae9ec0d28ecbd42dec28de30376c5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\178ae9ec0d28ecbd42dec28de30376c5_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Users\Admin\AppData\Local\Temp\178ae9ec0d28ecbd42dec28de30376c5_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\178ae9ec0d28ecbd42dec28de30376c5_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2128
      • C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe
        "C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe" DEL:C:\Users\Admin\AppData\Local\Temp\178ae9ec0d28ecbd42dec28de30376c5_JaffaCakes118.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2540
        • C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe
          "C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe" DEL:C:\Users\Admin\AppData\Local\Temp\178ae9ec0d28ecbd42dec28de30376c5_JaffaCakes118.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2716
          • C:\Program Files (x86)\Microsoft Office\Office14\BCSSync .exe
            "C:\Program Files (x86)\Microsoft Office\Office14\BCSSync .exe" "C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe" DEL:C:\Users\Admin\AppData\Local\Temp\178ae9ec0d28ecbd42dec28de30376c5_JaffaCakes118.exe
            5⤵
              PID:2488

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Program Files (x86)\Microsoft Office\Office14\BCSSync.exe

      Filesize

      91KB

      MD5

      efcd2838a557b7231a638735565f9681

      SHA1

      bcc185546165f3d5c92a89093084a63be484c90c

      SHA256

      c84c64cb5874b9cd401159c69007afde9e9a63536da82c0d5cf98cf0c2350d19

      SHA512

      d0b3cb1eae50b041ce0ad80747d629784df1e38ceafabb4f1fbbc163ccd4cce0e723a3313fe21b1349e49489f191916c6e579feabc4e7f03f7f63f8051ef1bae

    • memory/2128-4-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2128-8-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2128-10-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2128-6-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2128-2-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2128-0-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2128-12-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2128-39-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2716-40-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2716-42-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB