Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    28/09/2024, 19:42

General

  • Target

    fd02aec39b72775c357694ef1fca80b4_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    fd02aec39b72775c357694ef1fca80b4

  • SHA1

    a44d6204399eee243172bde55635109c064894ac

  • SHA256

    38f20f54668afa01a21970299cd1d4d0e5bd3877f540c9d81acf966d22c101f4

  • SHA512

    af9e35a2e96cd3f1b94c72af4c68e5c4ad5b245ae9c07ba05249e1de315590284015dc9e3c1ff97299963556906ea62642cf3dc3dc52832af9c58a6f28a1676c

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6k:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5t

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 7 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies registry class 19 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd02aec39b72775c357694ef1fca80b4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fd02aec39b72775c357694ef1fca80b4_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Windows\SysWOW64\jrqoazqpan.exe
      jrqoazqpan.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2712
      • C:\Windows\SysWOW64\bcjnmhlw.exe
        C:\Windows\system32\bcjnmhlw.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2624
    • C:\Windows\SysWOW64\mljjdujsbkkbgzd.exe
      mljjdujsbkkbgzd.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2756
    • C:\Windows\SysWOW64\bcjnmhlw.exe
      bcjnmhlw.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2148
    • C:\Windows\SysWOW64\gdikmosclnsuv.exe
      gdikmosclnsuv.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2760
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2224
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:528

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe

      Filesize

      512KB

      MD5

      68c65f12cb70810e633241de6b83ff17

      SHA1

      da016c2d826153c73241f2a1c3f991c9a8c6fdaa

      SHA256

      070b379642b9e93c7f01c9ed11be4cc8c361ce4788dddae0a733b5aa436d1c2b

      SHA512

      2e82a11037744673bee1933fb32ac40f93ee340308fb0be3b0c8538a0fbeb65c5d2a90df46c8d8873cca805a944c26440baf4e9206aad387e5d230946748f72d

    • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe

      Filesize

      512KB

      MD5

      4af645438b0865e84d8c869e4bfdf4e9

      SHA1

      d280140d4a77f4d9b57f0953aad86908e64d6735

      SHA256

      a2d9bbb8fdc2b92d82c8b3109e017ed10fda64f2a62e9ad440b1477e8e9e5cff

      SHA512

      2f2e93983a5e9cc06de6c689b041a12e3871c2be7efd51ce5382e0935990a12a623b71dccdcf193dbbdc553ad1ae872029818b58f2ce3e16adc7f8b690ed551e

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      19KB

      MD5

      af2e3c1d0f4a3c513ba17059ed755c0f

      SHA1

      487ba920fbb392ba258946eda34a0b63eea7ee31

      SHA256

      c436e2556d929e2d9e2c086b1989e350f28639b625a0da6036e32cf516a116f0

      SHA512

      b40a8d6b5759d467e05f5ffa94f2b0c3e602893874c9c8d107dff62b600575bc66d867c87c38f2d5f090fc50d6998ce018119e2ed6e687be3d25a853a640b294

    • C:\Windows\SysWOW64\bcjnmhlw.exe

      Filesize

      512KB

      MD5

      017875b18e4bfe3bcc8528319fdd1aff

      SHA1

      2970ff98b0dda372a266788306b04d5a391aa906

      SHA256

      6f448ff9ff2300dcb6ad44d520e54e6fd4975d9a0fd4d608fb0d700675c6e1bf

      SHA512

      78a9c8b1f8dd3b577167be5ab20cc08a2894bfc554b6bebf0fa0ba8099b61a720af85dcd93b1f76315b012cb5032f6ba0af1f36e8d9e5a34ec5c9851f98cc39b

    • C:\Windows\SysWOW64\gdikmosclnsuv.exe

      Filesize

      512KB

      MD5

      a1dc85581d83144c7274bd36208ea9b0

      SHA1

      17d48899a853658cd5d8fe344946e9c7aae13786

      SHA256

      2135a6a8c4be3dbbff0e86aa17b84b0ba0a7382ec04d88763782907256b13ac1

      SHA512

      94c60fa374fee2590af55d432475eb37ed546b43c3dcaf2c2aaa03eb5a90e4f326f0b2845f981ef0e2706dc80d14194474b0d8196319f3338da61729b0865b08

    • C:\Windows\SysWOW64\mljjdujsbkkbgzd.exe

      Filesize

      512KB

      MD5

      a1b6be0ed05a9a1a3c2b48b1eb15396b

      SHA1

      cecac1d54d1cd2b68376eb45043adc4530974648

      SHA256

      d8ab86926314e34b418c1e76acbdd49010f6e6fa150f88b1728c8bb4cc4bc7bb

      SHA512

      ee90513b9fe49d8017c98ac36edc5e50d2060462e5bbd3fa9fa4191c9f6601bb9dcb8d9de686ad0e9c288a5653a98dbde4e8e6eb9d883c013829e170cd66345e

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\jrqoazqpan.exe

      Filesize

      512KB

      MD5

      b19ab8e0a4a4a0a5543079655ce45a2d

      SHA1

      1bba574ffe5abe86db95882d7f682c83eaacff74

      SHA256

      ab3eec112c4bbceda8771e71b2093629cf773982adf2c4283d52f1a88b59053f

      SHA512

      7a6dc59eddcc25965983f859c26bcd307dad39cf5ad3f43014776c88b01290c8e97921285c5af51bfd574e8cc335021608a81cdd42ac1a57a662e82fe8d31795

    • memory/2224-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2224-93-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2308-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB