Overview

overview

10

Static

static

5

691a70fb48...18.exe

windows7-x64

10

691a70fb48...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 00:14

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General

  • Target

    691a70fb48009ce8f2fc3a16294625a8_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    691a70fb48009ce8f2fc3a16294625a8

  • SHA1

    a494cc28024bae48d076fc36ced18581bcd8cad0

  • SHA256

    188e634d7fc937ca9f6defaa3c517d71f99acfd934e4423231a48b4e67f55e49

  • SHA512

    210a61dc73cacb7c3c906a65bc1df8365a5e1c7f7660bbb72bb0f4abb3d40d4172d9abfcbb115d9ebb74bb820c66c065fd83eda4d98a0dd4206fb079f1c50026

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6R:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5q

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
  • 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.

    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 9 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).

  • 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\691a70fb48009ce8f2fc3a16294625a8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\691a70fb48009ce8f2fc3a16294625a8_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • 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:2888
    • C:\Windows\SysWOW64\ausiikfpox.exe
      ausiikfpox.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
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4100
      • C:\Windows\SysWOW64\xtmpqkxf.exe
        C:\Windows\system32\xtmpqkxf.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2576
    • C:\Windows\SysWOW64\txntkvynqroxhhd.exe
      txntkvynqroxhhd.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:536
    • C:\Windows\SysWOW64\xtmpqkxf.exe
      xtmpqkxf.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4800
    • C:\Windows\SysWOW64\szayfmdresipy.exe
      szayfmdresipy.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4232
    • 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:1824

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

    8c14d4bfb79fe9171315f75a69834980

    SHA1

    e10d3563e23cc3c72210a353dbf063bb9d86e96e

    SHA256

    33a0088eace5b3ec814a504cb70b4c7993368d74b83a1c0bab784cdf912e82c1

    SHA512

    b48725024a387b4762344c04ae88ca8e283ec2fff5e834520268b3b1d3e89a1fe1494512d657a38ebc8d9bcf41dcdd980b74277b54b7edca41aebc0dd03bc3ee

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

    512KB

    MD5

    e71aa7ffdf0dc9f98ee2c2523d93a23f

    SHA1

    76d75c4c632ed31c3b2e50de197d76ab14ce9ec7

    SHA256

    fd7901c4493c6e8e963e26d2ff841d31b810ab806cd39526d67995dd493a3ed9

    SHA512

    c039f02793e934ff01be6cff84dc534a9be2b8b25cd230afc640fd3a4760e44fac563402557bac71bdfb0b1d5a759b4fdc5dc3316334f522b03ab99e78b9d1d4

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\TCD9144.tmp\sist02.xsl
    Filesize

    245KB

    MD5

    f883b260a8d67082ea895c14bf56dd56

    SHA1

    7954565c1f243d46ad3b1e2f1baf3281451fc14b

    SHA256

    ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353

    SHA512

    d95924a499f32d9b4d9a7d298502181f9e9048c21dbe0496fa3c3279b263d6f7d594b859111a99b1a53bd248ee69b867d7b1768c42e1e40934e0b990f0ce051e

    Download Submit

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

    239B

    MD5

    12b138a5a40ffb88d1850866bf2959cd

    SHA1

    57001ba2de61329118440de3e9f8a81074cb28a2

    SHA256

    9def83813762ad0c5f6fdd68707d43b7ccd26633b2123254272180d76bc3faaf

    SHA512

    9f69865a791d09dec41df24d68ad2ab8292d1b5beeca8324ba02feba71a66f1ca4bb44954e760c0037c8db1ac00d71581cab4c77acbc3fb741940b17ccc444eb

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

    3KB

    MD5

    eb17c1b2c8d3a323f6c979e979c802d2

    SHA1

    a703e8e2ee81055c3cf4fba5e9fce0d70fef82d1

    SHA256

    8e5d8b96042b9a1d946efad1ecfd9d616aafd936e8e0298efd3e20725f3c1193

    SHA512

    858a8efe0cd44ba510f3430b9729f148bf498660ecebf5528d55138248d5788ff96650e292571da3f7fe1671979ae3787a4d75381537a39386bcd39bdfb7fc77

    Download Submit

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

    3KB

    MD5

    f556bfb57d832de6ccfdcc53bc169400

    SHA1

    be9301a93de1d67f579a07585e08c9a1bee9f9ca

    SHA256

    e21dc49e1efaaec3dfa9f630ecadcb5142459eb24694e5aec5a2369c85333e6b

    SHA512

    f05a29cc65472fc68c8e6876e357f7acdb46c6828a9239fe9b50856e54d788cb6f6815afbc876823c546856e4278b9ccf16f7a57ff896feb5fb62444bfc26ee6

    Download Submit

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

    512KB

    MD5

    ff23e4b056b663488196bdad02af76b1

    SHA1

    dfec8397135a6783edffd054f48b37492cc8d754

    SHA256

    89f4b6d66dc28b05049771324c3bdeb8219a63e4297dfe589ccc5940d9086fba

    SHA512

    0d6387366fc6c4506df4a5c119a83e2228babe3009a201b6ebb46925527c8e8f6c4d1b3eee1fa50923186fff5c9aebb378277072a54977ef81d7dfc5443d024a

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

    512KB

    MD5

    3e706b018d89ca9c70d268b2db9b24f0

    SHA1

    4ea883458b002f0cfe8bc5c0c57ee77fa1e57b52

    SHA256

    65b325659ccbb0c3c259a3d04eee1391524bd34d0f3619c489d42e0fad34d7cb

    SHA512

    0ae7b33f9f258f229219f2b1be241b628eee303ff2157ccb6e94392ca8e83e0f72ed2e0bf52887e54536500a59ef5d68a6f3ef10ab92de977de4c31dd73ed915

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

    512KB

    MD5

    6b9da1e3d7fcd783dc73c741e3737ab5

    SHA1

    3ec9a1cfb462e1515f0ec80a8c935deb883eeb29

    SHA256

    cb9996223de8d0e44ffe03a8109b3285609e93eac7cf7005f37124c6d31c84b9

    SHA512

    0f85722ee95e2e644e863bb474193454a1ae5451ded5154bf2dc0b96d8f72bc6a8caa7234aba2ca27613cd20c4b9d6e3b6affe4f6c6faf1ee88be7137bb9c6b3

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

    512KB

    MD5

    f5ad538ffae56ac93538650f0eb1dc9f

    SHA1

    6805fc56a87ad26685de5ced063f9f3ca21a7c52

    SHA256

    bc403b80b42c94d60e425e9b4a79c3debecc1b3967e6277f49b886b2b95b6791

    SHA512

    dd95f22d8efb7c92573cfc41f23ee4216179ce730619f2a49d4c77190aeac5997bd8951cecbdfdd00a44476fb0817641997ad5beccff9d3d2c2fadf5f20ef254

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  • C:\Windows\mydoc.rtf
    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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

    512KB

    MD5

    2ac7cafdb806da25b4686baba2dad61a

    SHA1

    bec9fee66514853c3639b4962532e6cc65168c7b

    SHA256

    368155f422ac69bd77c9e51aa4a3beb21a985139bb5e3cb86395216229b87087

    SHA512

    0e9cf55f30e48dfaf6cb24a3c744d836a9bc7e78d1a914de850d312d27d6a6a1fc6e263f3a54c3206491ef2185b1ec177a5287765a06cc7d86e7f61ba3f5d620

    Download Submit

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

    512KB

    MD5

    3c83faa3316df5640f3e856cc8476aa3

    SHA1

    1f20c9b93c12b0428a7660c202adc79a97f4c718

    SHA256

    67abc0609913d0b87a43691e81dd643d1373317bcbe950812859c24478445834

    SHA512

    6986cfcfdff1fc42222e42b70a82a56d2dadaaf0b8f2324444d81475596c0fad69c78863300753a3debd60a43f52f8200b2a216367e502b03d378b355c095368

    Download Submit

  • memory/1824-40-0x00007FFB76F10000-0x00007FFB76F20000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1824-43-0x00007FFB74E50000-0x00007FFB74E60000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1824-38-0x00007FFB76F10000-0x00007FFB76F20000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1824-36-0x00007FFB76F10000-0x00007FFB76F20000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1824-37-0x00007FFB76F10000-0x00007FFB76F20000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1824-35-0x00007FFB76F10000-0x00007FFB76F20000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1824-42-0x00007FFB74E50000-0x00007FFB74E60000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1824-605-0x00007FFB76F10000-0x00007FFB76F20000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1824-606-0x00007FFB76F10000-0x00007FFB76F20000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1824-604-0x00007FFB76F10000-0x00007FFB76F20000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1824-607-0x00007FFB76F10000-0x00007FFB76F20000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2888-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

    Download