Analysis

  • max time kernel
    150s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    01-11-2024 16:58

General

  • Target

    84887aba098bd8bc0a628bb8473eb929_JaffaCakes118.exe

  • Size

    236KB

  • MD5

    84887aba098bd8bc0a628bb8473eb929

  • SHA1

    70e7046832bb4e3440d859d1f43dc94d53f55124

  • SHA256

    154f527e047019bb07534b7e7898dfe72118b1a4ed0c98af29955c22199f88b8

  • SHA512

    fb3776d53eb991133611a29812ebe425edc643982e7d06c83eed76bc8fc1c915b36a0dc072ca613fcbbb688a5c0ffbd559fca5eeebe5b6b17232c7a307257e79

  • SSDEEP

    6144:2omR1EzYbPCS8WsD7s0FU6ykbsdb/y99z9tnL9O99999N9999V999996999WLf9u:2R

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 49 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\84887aba098bd8bc0a628bb8473eb929_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\84887aba098bd8bc0a628bb8473eb929_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\Users\Admin\yoiut.exe
      "C:\Users\Admin\yoiut.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\yoiut.exe

    Filesize

    236KB

    MD5

    bd6daca291e16b14447a90f53bcccbd5

    SHA1

    bb9f54c6fdcfd05203998815d8b0778578bb3842

    SHA256

    a0ae49c393dd84a80dc9aa7bb0ce4348a73e092c9ce02bfffb9972cae5969a2a

    SHA512

    ae7a26a83efdcd08b4c67a8f1b615148944c554c52f234bfc3fd131249ea0224ec815ae65142ed7c21bf503db8f2f0cd9b01b7b39ab455f8bfb7ce3148eb174b