Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 13:08

General

  • Target

    e03f500b36e8020ee26c3349d5eabd79_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    e03f500b36e8020ee26c3349d5eabd79

  • SHA1

    a7e508f52c70862ed0649438b8ed935c2ad3c6ea

  • SHA256

    ae740a14f78523070dc3112e9b734ab85b9838b9d9cd841e354beababc023091

  • SHA512

    c85bb67b4f35152165391fef12ffce21f0bf573753692505ea8563b7e37abcffcc3ca3d829bb1502d4d435a87dc76d2ad20bfec80e72c61df6f96906e4af42af

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6H:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm54

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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 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 10 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 19 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e03f500b36e8020ee26c3349d5eabd79_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e03f500b36e8020ee26c3349d5eabd79_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • 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:3712
    • C:\Windows\SysWOW64\joasybchet.exe
      joasybchet.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
      • 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:3044
      • C:\Windows\SysWOW64\wmrfkeuj.exe
        C:\Windows\system32\wmrfkeuj.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4480
    • C:\Windows\SysWOW64\cnuvryxkoncxxhy.exe
      cnuvryxkoncxxhy.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:1856
    • C:\Windows\SysWOW64\wmrfkeuj.exe
      wmrfkeuj.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2896
    • C:\Windows\SysWOW64\bllngjbogtspt.exe
      bllngjbogtspt.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4300
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
      2⤵
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe

    Filesize

    512KB

    MD5

    48dc5560dd612ee7e18498d1d987df17

    SHA1

    bbb44fc9f8960d5c71692376c25554a359fc6e4e

    SHA256

    8cf7121a3e3288d689e84b25dd5b96a6aaf9c4cdb94d1dd736641937ce34b3e8

    SHA512

    028cf4690b764651cfed5e75afaae255e2839042adc5da459d06fe6b4c70de676fa8a13f3c2f61d0d215fd1f8c832db6158ec8358a14bfa22ae81dcf689ff666

  • C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe

    Filesize

    512KB

    MD5

    581242d6162cae6ebbc6e2dd62e6110b

    SHA1

    4c3fdc5263c2583c3365b2c9197dc45d77f192d7

    SHA256

    cf85fde34b8e7fe04f34b067d8a33165383e2393e758f231bbf07a0a3295d0ae

    SHA512

    115a7a59a070a5d3e6a514647cf15dd153176601dd6dd29189e53d8001aa8a158f36df48a4c8a6da69914e8e3501ae8e08a928e0828b5764959d1259cde946f7

  • C:\Users\Admin\AppData\Local\Temp\TCDDE3E.tmp\sist02.xsl

    Filesize

    245KB

    MD5

    f883b260a8d67082ea895c14bf56dd56

    SHA1

    7954565c1f243d46ad3b1e2f1baf3281451fc14b

    SHA256

    ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353

    SHA512

    d95924a499f32d9b4d9a7d298502181f9e9048c21dbe0496fa3c3279b263d6f7d594b859111a99b1a53bd248ee69b867d7b1768c42e1e40934e0b990f0ce051e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat

    Filesize

    349B

    MD5

    6d2d88ec6e57ae7fcf9ff099b6a80849

    SHA1

    3e6ed2b2d39346332401af1b949d257fbc3ad7af

    SHA256

    510c0cccc796e9ea865b7901b00618fe40e3c4cf238822c958f8e104be3755b4

    SHA512

    efe8794be831175c88d6777876bbcc2cabb4a503c356ae8b68e207a75d10d96bd73d67b3d8d7ba21916807cf140177546549002bb58680bd62406bb7f88b5c7c

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

    Filesize

    677B

    MD5

    2509788ffe5967a74a78df60249e0cf6

    SHA1

    7695706d030e069d1e09340fc2a139e3c9cd3890

    SHA256

    301ea64d76443be6cfe62988bc17dbb2375e31ac9ee075658798bbd2a9d55b0b

    SHA512

    8ad7d6c37dcb1e0a4e5181f63b0632e0c9524e82e38f23aa29692d25cd3d6975362f32ee42000b52f4f7edbc720f3499ef5cd90e4f849ffb1162b86e3143f63d

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

    Filesize

    1KB

    MD5

    ded7965c46a68da75f9af66ceca498d1

    SHA1

    42cf963b05f671119ba53eca7648840386198e73

    SHA256

    0e897e040ddda9c7b38a9e12a29528ea8673fbe8d7d0e6b75a0cd402c5ec6c1a

    SHA512

    852918434d974c401a07d6fb8e81e650ff905a545cc0441de75f72dee8244da5db0df1d78f9ddf63f713de3b8eacddd9e237884db6b565780adddb745fffc1eb

  • C:\Users\Admin\Documents\EditLock.doc.exe

    Filesize

    512KB

    MD5

    a3b253d3cb247a2a4fb97e9f110a4532

    SHA1

    0a47e4d518691def9dfa8f32c3298b6f681c1bc8

    SHA256

    82eb82c4eab2059162631d63fc48239d08383fb72bb9790e19949f8566c8c3d4

    SHA512

    d16b5ec6a80d6b7230695598a660e17764c82afa2b85786a060db541808f4121813f509dcc5b90bc4b1a177afc980035ed3413e7a46799f1fbf4c31ec8756c17

  • C:\Windows\SysWOW64\bllngjbogtspt.exe

    Filesize

    512KB

    MD5

    ef88fdcd5c635af0d95cdbb574f6be31

    SHA1

    60c1415715eb8110cf58e7de9c434e5c767b4b80

    SHA256

    47d022e404f8b7a363096bb4533f68d4f900d871d48c58e5dfbe280d66a89c35

    SHA512

    0e4c4ecf53bc83440f469619d3ae378ab1b8bbf78647f46afa23591d2dcd39f6cd98d65e85bc157195c253f78c9c73ebe60440851eb8c406b7d27a740e750e1e

  • C:\Windows\SysWOW64\cnuvryxkoncxxhy.exe

    Filesize

    512KB

    MD5

    1d7f9ef0a864a03858d5644df7f38489

    SHA1

    3e28f52a9a8a105202a6ec0ffd81539fd78977b2

    SHA256

    4d2c18b31489730482e892c1f3400285b83fba6a65a3a79d9a6120a381241299

    SHA512

    bdf6943d89945ba9a54de7b43f9298119f51e1318eed28de62434a5aeaff487b4da776468a0f0637cca52375f1f21abadd2583121eefad2e25b20c0a50fb3598

  • C:\Windows\SysWOW64\joasybchet.exe

    Filesize

    512KB

    MD5

    f3a882fb74269b5d31d091e0313d9c01

    SHA1

    163d231718c03a400b827e01e4c923a2b8b33714

    SHA256

    bba273b8e4cc7ded82c362e9dd14d69e35a31bc9adecacdee3d287da530370bf

    SHA512

    c4971e26f51b86e36939be24e3f7f71a316c5b9c0723d9ead9d226a490ca9900c65674c75bc5d62084ce24bcea9dc435f3be93049e10545f7f54692b99103ec9

  • C:\Windows\SysWOW64\wmrfkeuj.exe

    Filesize

    512KB

    MD5

    9ea82218e1d79af980a477f055bfbdcc

    SHA1

    50a93c5e7d0566828e59665e154ccea839242084

    SHA256

    df8d6ad666ef921901910c30cb65b2e4803c5ebc98e03b2893a04b31aa5b3042

    SHA512

    d05d4f1da95666071d53adcd1c28ab1104aa0e2b45c16f1d62a71875a925dff08844421ce597f2943001abcdd1ed95232924e2d18ef4fc4670accfeefd8e700d

  • C:\Windows\mydoc.rtf

    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

  • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe

    Filesize

    512KB

    MD5

    fad974ad1cc9d03fe1ae5e9217502390

    SHA1

    936cedaec529ccd4214c73e748f6fc430c7b944e

    SHA256

    d14722375d2be1cccd8e44f4d3917d51e78866e358858015b85c3a8771013d23

    SHA512

    04cc7c6389617345a00568b2ff39ce43d3834c8c1a2924256a5efb25cc74c1278ae67b5876797cd68e99fd6dbfab71d650eee2463ddc25429982da4d7482508f

  • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe

    Filesize

    512KB

    MD5

    f097a95779e723b651d011b0e5cb355e

    SHA1

    df991a0a2d3ab69664e20fd74f0d5a14cfe2bb67

    SHA256

    03288bb21d255670fc1f726fb6866716b11ca0d1f692f76f740e7ab5e79b3b6f

    SHA512

    b6323137d9be6c1f412dd551c2d302f2e403cbf467955fe26dd666ce3062e08346bd8f3587e8f2eb2b321924d6e783f06c83bb01b1f56ef04937979e8a1cdcd2

  • memory/932-37-0x00007FFDA1D90000-0x00007FFDA1DA0000-memory.dmp

    Filesize

    64KB

  • memory/932-39-0x00007FFDA1D90000-0x00007FFDA1DA0000-memory.dmp

    Filesize

    64KB

  • memory/932-38-0x00007FFDA1D90000-0x00007FFDA1DA0000-memory.dmp

    Filesize

    64KB

  • memory/932-36-0x00007FFDA1D90000-0x00007FFDA1DA0000-memory.dmp

    Filesize

    64KB

  • memory/932-40-0x00007FFD9F8E0000-0x00007FFD9F8F0000-memory.dmp

    Filesize

    64KB

  • memory/932-41-0x00007FFD9F8E0000-0x00007FFD9F8F0000-memory.dmp

    Filesize

    64KB

  • memory/932-35-0x00007FFDA1D90000-0x00007FFDA1DA0000-memory.dmp

    Filesize

    64KB

  • memory/932-262-0x00007FFDA1D90000-0x00007FFDA1DA0000-memory.dmp

    Filesize

    64KB

  • memory/932-261-0x00007FFDA1D90000-0x00007FFDA1DA0000-memory.dmp

    Filesize

    64KB

  • memory/932-263-0x00007FFDA1D90000-0x00007FFDA1DA0000-memory.dmp

    Filesize

    64KB

  • memory/932-264-0x00007FFDA1D90000-0x00007FFDA1DA0000-memory.dmp

    Filesize

    64KB

  • memory/3712-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB