Analysis

  • max time kernel
    141s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    17/10/2024, 00:41

General

  • Target

    4fec229537f5f9df324406adf36a4c3b_JaffaCakes118.exe

  • Size

    3.0MB

  • MD5

    4fec229537f5f9df324406adf36a4c3b

  • SHA1

    8024584d4a7686dd637c922c2721fbcd713106ee

  • SHA256

    a341c4825ac29349b487b06073cc546fd16cd5beff26f1be7abc46a7adfdeb61

  • SHA512

    884d6d7ef3dba02b9ace35d9ca8823f62f59d095c7eebffdde9f83adda53299304bc86745a2a551e2f3404a98513b51dce3c0511c322e3e0b2a681b9014f84a2

  • SSDEEP

    49152:3tvjlNxTEFxdNJiEnlUOKhlRmr3nE+qtiBkutNe9ecNNsi/sLDqn8SrAzE:3tvj9+NJiSklwfNBDtwx8DqTAz

Malware Config

Signatures

  • ASPack v2.12-2.42 2 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4fec229537f5f9df324406adf36a4c3b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4fec229537f5f9df324406adf36a4c3b_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Users\Admin\AppData\Local\Temp\lqeffm\ssinitar.exe
      C:\Users\Admin\AppData\Local\Temp\lqeffm\ssinitar.exe -pasdfghij -d"C:\Users\Admin\AppData\Local\Temp\lqeffm\"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2704
    • C:\Users\Admin\AppData\Local\Temp\lqeffm\setup.exe
      "C:\Users\Admin\AppData\Local\Temp\lqeffm\setup.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2320
    • C:\Windows\SysWOW64\Rundll32.exe
      Rundll32.exe "C:\Users\Admin\AppData\Local\Temp\lqeffm\notedll.txt",acMainDos C:\Users\Admin\AppData\Local\Temp\4fec229537f5f9df324406adf36a4c3b_JaffaCakes118.exe
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c .\danulev1.bat
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:2856

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\danulev1.bat

          Filesize

          372B

          MD5

          4cf46538f6bc9df8a2f2b59ce48a9c8e

          SHA1

          3509e18b9aa813cae65108c2d5786c0518013111

          SHA256

          bf3128468e9974c14fd7b730fb98077834e335d1a259ee2a3583ea2c2265986c

          SHA512

          0bc3ad66c43f7e53d94dd103f77962955f4b5bb8808da06e8f0f675ce119d9dec9e771b4a743423bd9cd5fc72f2e084a70ca3b082da9e61a70d17c6ac5f8345a

        • C:\Users\Admin\AppData\Local\Temp\lqeffm\notedll.txt

          Filesize

          757KB

          MD5

          a22487dba32e72c3af8141726c3df140

          SHA1

          5bb9c3829be0180f5da8e101a51bfacaa773e447

          SHA256

          3e138bb787e210ae8aba4c2deccf0171b9f47ab01f8b47057239cb15bc4ed3cc

          SHA512

          adc2f10830da3dc1c784947a05a2f40f3c760878b6afb65b8da06312681406bfc3d06bec0e6165b0b16bf910f3c989559787fab74df4c591c83fe96d1eb654d4

        • C:\Users\Admin\AppData\Local\Temp\lqeffm\setup.txt

          Filesize

          923KB

          MD5

          a9e5b2cd7c58d8e10e480abfce5a722e

          SHA1

          47412231f825da4702e299ebf16cdbed15415c47

          SHA256

          93d9b6a161bb646cd45f3ce412e1b0b2dd643f463791f8447583063b567533e5

          SHA512

          73d303dfbe97e8856a3c30ddfbd0b02151c52d75f50f13f95cbab7eb4d2cc5f806e510e449898743ba0da2c8208fa588d710176260cdefe35639a6f54c696f97

        • \Users\Admin\AppData\Local\Temp\lqeffm\setup.exe

          Filesize

          923KB

          MD5

          271153e73ccb8148b1e924c74cbcd727

          SHA1

          b92c6e3f6c59ccd6851bbe5672a75f7aefb54ec5

          SHA256

          f1d7791d2d623811c0d7cc8e52591ae46d3eb70bd3182d20616ebecff5358646

          SHA512

          489d3af15878600df822705abbc9969be2bb05dfc30ded4fbe12bd693a364f6bcfbcd343e3800e03741c671730b0be7cf372e5cfdfdaf5f8f0389986ea8f67e1

        • \Users\Admin\AppData\Local\Temp\lqeffm\ssinitar.exe

          Filesize

          1.7MB

          MD5

          aa27236bd7607f5d524d55b7cf360686

          SHA1

          0ba8a5d74ec139cb30a90e0e13ded45feeb31c76

          SHA256

          7c14f147d1924c3c3de94813da3ec95a7e6c17c69058bb9d36759d9589745974

          SHA512

          8e9c9cb481bcf3b1bbae13ee2fc2cfdf47fb20359a3cb2f65732447b0c2fea35abd1b40f12a288c84ed88482ac20cfeff7d5ef73944dd4dbf219e66e96332483

        • memory/1456-0-0x0000000000220000-0x0000000000221000-memory.dmp

          Filesize

          4KB

        • memory/1456-37-0x0000000000400000-0x00000000009D9000-memory.dmp

          Filesize

          5.8MB

        • memory/2320-38-0x0000000000400000-0x00000000006AF000-memory.dmp

          Filesize

          2.7MB

        • memory/2320-39-0x0000000000400000-0x00000000006AF000-memory.dmp

          Filesize

          2.7MB

        • memory/2320-40-0x0000000000400000-0x00000000006AF000-memory.dmp

          Filesize

          2.7MB

        • memory/2704-13-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2768-28-0x0000000002180000-0x00000000023C2000-memory.dmp

          Filesize

          2.3MB