Overview

overview

10

Static

static

5

3d6a2ef0df...18.exe

windows7-x64

10

3d6a2ef0df...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    14/05/2024, 01:40

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General

  • Target

    3d6a2ef0df4cb9a9a085942bd58b8622_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    3d6a2ef0df4cb9a9a085942bd58b8622

  • SHA1

    9249a03a64c4ba4d8ca1b72c86f3c1716b3c1e10

  • SHA256

    5b3211ed5c341c42ae0e97ca9a1e38073d3b0bd94c37b8c997a5aece5439082b

  • SHA512

    7201e34a6433d8a4b740d6c30b92c012eb5fe60dbf3731b40b917051d21ae77872685f0f278f07f6c96c1d27bd469dc7fe8c25bb2e4b681b081c8ddb8dc2e5d3

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6i:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm51

Score
10/10
evasionpersistencespywarestealertrojan

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 5 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • 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.

    spywarestealer
  • Windows security modification 2 TTPs 6 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • 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
    persistence
  • AutoIT Executable 8 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 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 47 IoCs
  • Suspicious use of SendNotifyMessage 34 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d6a2ef0df4cb9a9a085942bd58b8622_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3d6a2ef0df4cb9a9a085942bd58b8622_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2764
    • C:\Windows\SysWOW64\khodmpjjpx.exe
      khodmpjjpx.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
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2988
      • C:\Windows\SysWOW64\swuxudut.exe
        C:\Windows\system32\swuxudut.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:2464
    • C:\Windows\SysWOW64\fjdrmujgqrpemvt.exe
      fjdrmujgqrpemvt.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2576
    • C:\Windows\SysWOW64\swuxudut.exe
      swuxudut.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2696
    • C:\Windows\SysWOW64\ffwmsgourukdp.exe
      ffwmsgourukdp.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2712
    • 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
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:1704
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1020

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

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

          512KB

          MD5

          981ce615401575e9698deef4b2b05c93

          SHA1

          8c0a1dee06b16f4db28ae87afa34cf9cf6abb607

          SHA256

          7761afd15fe1782526f16b46f0e2d0bfdef60da6330140dc2a70ca87f44974e1

          SHA512

          9260431cc0412fbcf39f7a1485460b78c3a0882fb16a2ff196726da71136ef556740959f05ced77d494ffb639e3a3ce490ef7aba96a3152c3fd9e2d1c2c5fbeb

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

          512KB

          MD5

          c64ffa200f4be4e798b865ccf2e7dbde

          SHA1

          0955bebbd49161357abdcf47041f3a7e9dd0aa11

          SHA256

          594df729f7cb47fe8ff97629909b72c4e82a5b52abfb8a00b6f48f0284a7b24f

          SHA512

          1f21be4a647169ad13dc6271d3c82494189ea74fa68bea3d0e2906d87c9994c04eff4ad8734dffca77ca842899c0cb33b3a7eba081f12d43ee1f4f31215c5a22

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        • C:\Users\Admin\Documents\GetRename.doc.exe
          Filesize

          512KB

          MD5

          dc1f66ac312ca7bc0acfe0f459a30165

          SHA1

          da92572c0dc1997c570bb4433bf8a932f72e3738

          SHA256

          e03d959c695ba2ddd9c7e947b540b14d05ea710a7feedd023ad6626e8ff243ab

          SHA512

          cebb9dd21359b874ff87d0e30b7a8af76e0e2af2c4c483a878021c53a7ae341773db1cc7f9a9a913cf62f5a982f656be1f48bd3fe6c18fc44a5989e2f225320c

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        • C:\Windows\SysWOW64\ffwmsgourukdp.exe
          Filesize

          512KB

          MD5

          8439defd785fcffa66f87434bd85e195

          SHA1

          c433b5d53db2e95a69a344bbf8c6fcb074c44c40

          SHA256

          e9dd09c805a565b4dc590785860d6d2f0084a73d452250f8551af6815f27e600

          SHA512

          0f9ab458aa3d97c30f00764463110200c212df9b27cdb6b6d59a1a00110eda6f496b0d53287331f4672f211974a7d457311bb6fbd81742fadf2428cc4c6ca696

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        • C:\Windows\SysWOW64\fjdrmujgqrpemvt.exe
          Filesize

          512KB

          MD5

          4f611797fd299ecf7177fc766bcae890

          SHA1

          0cdbc72df403874c3c7c1846cc4c706df75ddf9d

          SHA256

          a252d25f367d8dfad24fedbbd05fe277c385ded458d6664de62b0db1abd50a95

          SHA512

          deaed72a9960d7904a0bc963e91a96e7e43e7a13ad0802ccd2fe3a9f350aa3c370cdd9d25b35d0a36de778d28b1893a55475d7071b5ce7fb98560b1012c67929

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        • C:\Windows\SysWOW64\swuxudut.exe
          Filesize

          512KB

          MD5

          18a3aa03a593bccb25d49f06bb69dd32

          SHA1

          83f7ffdc40772d5fb588c637350aaa852f52c30c

          SHA256

          841664f89e321f4e2352cad43b02453d491babc336ad62f21ea5543c8a1a358c

          SHA512

          09cf48182d11549e73063339d9f9f5f229663ad9e9bc54ce64206c6ad7b662b012bf11df3db6035178c055eb3598b049ca7a3af7b04f16f661734f67f4bfdbdb

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        • C:\Windows\mydoc.rtf
          Filesize

          223B

          MD5

          06604e5941c126e2e7be02c5cd9f62ec

          SHA1

          4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

          SHA256

          85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

          SHA512

          803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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        • \Windows\SysWOW64\khodmpjjpx.exe
          Filesize

          512KB

          MD5

          775539d81d93058ff96fd3cc6aee6c9c

          SHA1

          3376cf153871c85d38f540b4428568dfc14b7936

          SHA256

          6e25da785f82b76b76d86c80e54c2c12320b9a8242e0176f74c2483f7f0e04bb

          SHA512

          6d9a678db8c2e95cfbd0dd4b3ac1e206491859df65b2e2c9a7cd40e7433eafc249c01a3e9aae44f51cfca3503523f0a2531b1bf58cfbecdb955b40fd3bd6261d

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        • memory/1020-79-0x0000000002A00000-0x0000000002A10000-memory.dmp

          Filesize

          64KB

          Download

        • memory/1704-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

          Download

        • memory/2764-0-0x0000000000400000-0x0000000000496000-memory.dmp

          Filesize

          600KB

          Download