Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2024 05:14

General

  • Target

    b4f097f92fbd851bd7853579e40811c4_JaffaCakes118.exe

  • Size

    55KB

  • MD5

    b4f097f92fbd851bd7853579e40811c4

  • SHA1

    b8d489188eb2ac363baf84ad5e76dbbd6ea475e6

  • SHA256

    6c06d2ebb3fed2c2e5b4f8e7da52a10310e6359e21ec9ae7ee5d58fa84c5427d

  • SHA512

    2765a3c13159164a993ac25fc906ddd1c0c07e24b93756a0a8c5efd70dc3d3c317884bc2652b35a86601c0a76815798fd19c28115356819d106e6304b1edc28f

  • SSDEEP

    768:Oe3PFaDVyOQgljLDKRJyM3BmsHzSB4us/wJJapg4RoSMZeUZB/QosWpH+DrCUpfc:V3cpyORJLuB4P4AJJv4Romu/9tpvUZs

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies registry class 9 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4f097f92fbd851bd7853579e40811c4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b4f097f92fbd851bd7853579e40811c4_JaffaCakes118.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2160
    • C:\Windows\SysWOW64\attrib.exe
      "C:\Windows\System32\attrib.exe" "C:\Program Files (x86)\Microsoft\ie13\Internat Explorer" +s
      2⤵
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:1372
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp.bat" "
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp.bat

    Filesize

    214B

    MD5

    2333a19a988d25bc8c684dcbc3de124b

    SHA1

    4728b92305a08489f5cd5fead485fc7887134ebb

    SHA256

    c5891916c3562938f079cd308aae9f9cbda1c7becf7353851ff6e63748dd0a21

    SHA512

    af6d407cc324693d7d2319a285d9b760f6843cc5e472b6d57b4eff762ff6723bed03527b3832051096c986895d1a03af10e39569ef6be03fc23f24db989f52f2

  • \Users\Admin\AppData\Local\Temp\nsjADBF.tmp\System.dll

    Filesize

    11KB

    MD5

    00a0194c20ee912257df53bfe258ee4a

    SHA1

    d7b4e319bc5119024690dc8230b9cc919b1b86b2

    SHA256

    dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

    SHA512

    3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667