Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 20:23

General

  • Target

    f08b703cc1d852279362e7b5ad25d22a_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    f08b703cc1d852279362e7b5ad25d22a

  • SHA1

    f1efa9ba25da90274ff8a08a7f062e6e04b1d719

  • SHA256

    f7f02312b7607fcdeace47c2cb46a57e3f280e44b33ceafde3b6e23340ddfff6

  • SHA512

    f78de3375c9913f0e3645099a30a62b213290547877881d6a4ba6e4a10766026e0791ae2bb5cc33a1e2ef0b1d96760ebf595cc667809b41faeb00e8dc0dfc87f

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6h:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5a

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 2 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 15 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\f08b703cc1d852279362e7b5ad25d22a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f08b703cc1d852279362e7b5ad25d22a_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:2400
    • C:\Windows\SysWOW64\mobrhxuapk.exe
      mobrhxuapk.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:2816
      • C:\Windows\SysWOW64\pidfqrjf.exe
        C:\Windows\system32\pidfqrjf.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:2904
    • C:\Windows\SysWOW64\eetqtggccjpiyzc.exe
      eetqtggccjpiyzc.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:2124
    • C:\Windows\SysWOW64\pidfqrjf.exe
      pidfqrjf.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:2772
    • C:\Windows\SysWOW64\dznnyazkfkhii.exe
      dznnyazkfkhii.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2868
    • 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:1448
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1716

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      512KB

      MD5

      eb0f65f135afb3cff5fd7655b6dc66e6

      SHA1

      7faeef8ebf69064b00ccc42a549452fdff6ba514

      SHA256

      cb1356f00b4a822ef3dfe9117bcdf18631a634366c6a51088b0f1e40ffbd3050

      SHA512

      4305b101e7cc160d491243949c10c0da04a9af7f887e4778270307a4f8feb155c58043a28cdcb3a388ba91ccf252056e6ffc0601d5486397c8f458515cbf5824

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

      Filesize

      19KB

      MD5

      a2653a2b7b9fa8d8dc8504fc2c279a6d

      SHA1

      268919ca2edcff843b12fe7721070a00b1894dbd

      SHA256

      1a7d8f7eff2497beab8b634c79cee4b67e44b73159e33e903e367076c9b3aa65

      SHA512

      e07e25611c254c1890bacac05deecc44a6c4bc44e876f7ba88b3920f6dad12a1f6fab292d10b9fe9094e7c8613395929b0a2f7c77116bbeff5acf80a1688418d

    • C:\Windows\SysWOW64\dznnyazkfkhii.exe

      Filesize

      512KB

      MD5

      0ddd2cc471e332b4bc08e14471fbd2a5

      SHA1

      21bc21c8019596f298fd1095091e9abfcc8fe06d

      SHA256

      76d9b27f7963bf457089df7a5746bb73adb486b8224eb944ffc6bb5bc3477367

      SHA512

      1f176a510493822bd0b8d835a2c7eb9d08c74b58f15c3654d86796a63f0ea2d365d5e85d056fe41a21fb1e4a2c8a846ab52264684ede1e1c999a382928b9cfd7

    • C:\Windows\SysWOW64\pidfqrjf.exe

      Filesize

      512KB

      MD5

      29ea978024a0defeaea732d24f5e1078

      SHA1

      485251b7881f11a1195537362337db5b0eb288a8

      SHA256

      904076d5d1788e01fe1cbad49b9168b5a3f13276cf0e2833ffcfa9be7336a921

      SHA512

      db428d81a19ab2ec863dbafb01170f58072c5f1260c80d291676bb9aff8f7edfa9369651b88702dc84b185679a8e45186e586ecce52fb8b55f23bf0ca92b9f03

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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

      Filesize

      512KB

      MD5

      5baeb809ae27fe4578f532583f9fed90

      SHA1

      4909dd5f4f4788a9eb78f38afe4b4febb51f8cc3

      SHA256

      3c8fdcb14909063d0ff6d814dbdb7ae1f0f004186bd4ca33d617ee55b4d16f96

      SHA512

      2647dd25cb7ec9d5741d0c439a3a66f55456fb94759ca210f20c27102387bc0beb05c06dd5288f868c3f4de543bc1b55529fe346e36fc4c46ca81d400c6e1e04

    • \Windows\SysWOW64\eetqtggccjpiyzc.exe

      Filesize

      512KB

      MD5

      893d2cce8c88d3ff1fcb0635e49c435d

      SHA1

      00e67dc6cc03f3a13a255169e3ab5b85990f5243

      SHA256

      b836bf5571803c81f62795df26a31611efd6485f2833dc0b16005bb2c1a43f50

      SHA512

      f212c417616194cbc472e6d0da261b58731bc3d9d9ed7b75199aa9ebe8e2105c7c88d5bded2170be49d85a98b7d8c116d478f2f63bd374c0ae06655cdb9ba2fa

    • \Windows\SysWOW64\mobrhxuapk.exe

      Filesize

      512KB

      MD5

      d59c8ea6faf1d22029c24c11f78dec3c

      SHA1

      2d9673d777e5e5b6227a47396aac06173927973e

      SHA256

      380d1cda094f4f3e847b8e8036e169afd26c657bbf823969cf6c9da3971cb084

      SHA512

      be5c214783efc2155fb8fccc4685c7fe5e8fa32a409f4f5e450dcf8b9ea1ba285f141e534f9433d3172bd9ee12b5fa705b69b50e5e52af8e2d534ce7c8c5e937

    • memory/1448-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1448-88-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2400-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB