Analysis

  • max time kernel
    145s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-08-2024 18:46

General

  • Target

    873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe

  • Size

    14KB

  • MD5

    873c4bd6b287e83b3ccf5a03638945bc

  • SHA1

    6ff057ccc778e9ddaca3e12630371478dc0fce47

  • SHA256

    dcf51fc0fb014fdbecd6f10f76297796167a79cff663a65302d8ca0b252d69ce

  • SHA512

    2a9fef81bba6ac2dfcc92c3bfacd57a5286698f496ba805c625379cef41662ed2caba9a19258f3f5f13e42c423cb84d278ce4e3cdf017875fa55bc6dd4cdee7a

  • SSDEEP

    384:7wAV8wyvdRoGLawZWfR/Xpyx++YK1Dw28wZExb:JEdFLrmxXpo++YKJB8wQb

Score
10/10

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • 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.

  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe"
    1⤵
    • Adds autorun key to be loaded by Explorer.exe on startup
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3772
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\2C99.tmp.bat
      2⤵
      • System Location Discovery: System Language Discovery
      PID:464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\2C99.tmp.bat

    Filesize

    207B

    MD5

    4dd9ca3e9300443eb637a185bf4bd2af

    SHA1

    1ec27fba4a6c1790dcd459ffb32bfbc7063fcc66

    SHA256

    87619be7575f228ae9730bb48a90b31e257f5ad33bf6017c5f84fca08db58450

    SHA512

    27b7317cd723a83d59dfeac44540dfead1be371eee8b7275d684a460c6c124c6c79908c8295c1bb6a20945fd624b8c39a084cfaae1039caf092d7bc1c35889bb

  • C:\Windows\SysWOW64\gomvrrct.nls

    Filesize

    428B

    MD5

    b88af31278f3f4193fe357f63784beb6

    SHA1

    cf34b6b1dfe201fdeb9f22994ab277cb1010643d

    SHA256

    026aaa3aef5bcdc7f526721ff1f9a808739f55a06273be6fb81327d644b02aeb

    SHA512

    92f920c4896af443580326c21d04d8637cdf03f90a9807736cc9e8f30d0b6ff8e1f73652af46fbd6d5b3e331674813d0e1e3c2deb820ac035de0db2309cca56b

  • C:\Windows\SysWOW64\gomvrrct.tmp

    Filesize

    2.2MB

    MD5

    edc4d60d0f49c5a774b261a21230cefb

    SHA1

    93ae793ec5c321f03048ba0dbc94ef3a2d0aeb27

    SHA256

    f9739ad3c15aecb333bdc34c48d5d412b738ab24d6884d71704b30d9c2ae6380

    SHA512

    5f3e4f3af3760b26e84c1675c75f57a68f0ee469eefbcd15d5dbaeae641b8c0f62151be23616d73c07afe94b830e1472a51e9511bf6423aa97369b8b926dc649

  • memory/3772-17-0x0000000010000000-0x0000000010008000-memory.dmp

    Filesize

    32KB

  • memory/3772-21-0x0000000010000000-0x0000000010008000-memory.dmp

    Filesize

    32KB