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Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/03/2024, 17:22

General

  • Target

    c92ea58ebc8b3d1a8dea1483d01a7763.exe

  • Size

    512KB

  • MD5

    c92ea58ebc8b3d1a8dea1483d01a7763

  • SHA1

    0e874501653f8b4482e9fb2a03816c9a4f6dbeef

  • SHA256

    84ab41fa3902f5503d41df7774fe849a312277649f40f5a6474f28d9ea3d0eaa

  • SHA512

    20d6c43f53d7d11474f00dcf4d97aba572788682580e3307a83564f1725918151d5a4abd90f4add8ca1969ef28b3e78e2dfc17f5cb64a529b2c00ba51da02ea4

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6D:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5S

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 13 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 11 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\c92ea58ebc8b3d1a8dea1483d01a7763.exe
    "C:\Users\Admin\AppData\Local\Temp\c92ea58ebc8b3d1a8dea1483d01a7763.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:1504
    • C:\Windows\SysWOW64\cpjlaksdvy.exe
      cpjlaksdvy.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:1644
      • C:\Windows\SysWOW64\sohoxgey.exe
        C:\Windows\system32\sohoxgey.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:2744
    • C:\Windows\SysWOW64\vfbpngwrfdngzpj.exe
      vfbpngwrfdngzpj.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4380
    • C:\Windows\SysWOW64\sohoxgey.exe
      sohoxgey.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:4384
    • C:\Windows\SysWOW64\asfjztpgqsdex.exe
      asfjztpgqsdex.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2652
    • 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:1052

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

    9888bb6b5da4ebc738faf8588d159f4e

    SHA1

    42853233c1576cbe9977dba8288b93c8d21c3c74

    SHA256

    d2257a24b59677fbaeaa88faa2ede776a08389815456429fc4a3fbaab64d20af

    SHA512

    b6f18dd9d9bb07781eb1659d76e54b2ea3713ffbdf6a32feb0584556c465af531146ca95a687e7142e4c98f3140235870c596581377362b73efe7819153abcad

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

    Filesize

    512KB

    MD5

    de45b162f3f6d598bb1994c2d8c33822

    SHA1

    d1738df127b15323e4f6bf2455859baa8a636256

    SHA256

    f4654315ef354da8af82d0073008a7490e3ed5c7a430af4cea864f284a5eef7b

    SHA512

    c5d4014d72f6d8e23086d7e4603cce02d4d4b057c52182a3fab1e5a491c746d0932fba9a0e066310f11f1e4b1ecb0ccd9576c9f2b4b5163d73994386d8709e9d

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

    Filesize

    239B

    MD5

    12b138a5a40ffb88d1850866bf2959cd

    SHA1

    57001ba2de61329118440de3e9f8a81074cb28a2

    SHA256

    9def83813762ad0c5f6fdd68707d43b7ccd26633b2123254272180d76bc3faaf

    SHA512

    9f69865a791d09dec41df24d68ad2ab8292d1b5beeca8324ba02feba71a66f1ca4bb44954e760c0037c8db1ac00d71581cab4c77acbc3fb741940b17ccc444eb

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

    Filesize

    3KB

    MD5

    3e2ec56bf2e45a427b6335fd785cb622

    SHA1

    90d98e5169c6005e1ea7a763fd541ae4800ded79

    SHA256

    ce0d9f9aa6bf460c122b46215e31cba363a029533000520bad117f6d7fdc6cfd

    SHA512

    20413d7505eca4e84d26c9352d7a3ed5d73760ffdcb4de1bc194d1fcff45208188f23e031103d71cbaf6c0a247f94ba77143d110e6873cd6c213597064f564c8

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

    Filesize

    3KB

    MD5

    a2407ac231bfbe69f54fd5cf92a6c1b5

    SHA1

    08421a1051d83cbb38066d11a9bbab953e4837bc

    SHA256

    1dda9e69910d6032b73d1cdcb02d3acd6938bc56e2a4f5983378915fb0a39c7f

    SHA512

    c20e06fe01055f89d370d38a3c9d1a0b3503e63362ff9ce6e11f96ca53bdb2733a7e5bf1a38328952a9e6bfaa5e84918b30b509dd642a063c2baedce3a52a00e

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

    Filesize

    512KB

    MD5

    75ca74ef92cf9cfec4c9e019f59c502e

    SHA1

    d90e5cf538a0b02daf82879bafee48e8c3cb4d3d

    SHA256

    abdc6c8e391140e4eab97e89653d1b832c9a269925a17b1c1c2b8840c2ea28f2

    SHA512

    ab32bfc464ba986de359fa40fedc9b12e1f6d4272a28b1b12e675818c44cb39cc2cfb152187621549668ebc5e7293838db837c49dab2b037e16d5ba6390cec9c

  • C:\Windows\SysWOW64\asfjztpgqsdex.exe

    Filesize

    512KB

    MD5

    a64b8f28756beb0a6531fd3a5d5f71a8

    SHA1

    b35e6eb0a5661815bed48db8a225db1693ef64a1

    SHA256

    490d794b5997961722c76599d81a8fc64c202aa3e341099d6c8592eb30abc7ee

    SHA512

    9ee1b4188a8961081e7c770148bf47450609781f7fe4a5e563b1388c26e459f14dba6650e9afe12c9a122c523c117a7566e45766fc4646ee755730c2552e9501

  • C:\Windows\SysWOW64\cpjlaksdvy.exe

    Filesize

    512KB

    MD5

    fec901d3ccad0d691b7abb18ce3a83d6

    SHA1

    2621ade969b61ffb889e893a11a5cfe2ac6a8ac2

    SHA256

    133d85dcb06550720a3a030134e875b1ec760ea87e9ea3ac7e85dfa8bbc23e88

    SHA512

    ac09ad68ffe4c753b67fe7e3686c3883291b715d3b24086f03136d992cc607f1d94b501e7b75f88fa7de971c466aaff850f7b28061d10c641dcb2e967b7f5a41

  • C:\Windows\SysWOW64\sohoxgey.exe

    Filesize

    512KB

    MD5

    9fb0d35c871148fb73317c422eabde2e

    SHA1

    658f1ba02edb2eb5939d74f87511da863d54357e

    SHA256

    f1d92e4e01b14e1ba11c7d2ad6e977624126c2e40e129ded4690db6f6f843ba0

    SHA512

    aecdadcfcde43caece09d2b666342e4e30d23d8a2b805c36fcb1a4b6bf1612c0cc82ad392652a629008f4c44f4fc13003731034d5210bc792f35dc68125e7e66

  • C:\Windows\SysWOW64\vfbpngwrfdngzpj.exe

    Filesize

    512KB

    MD5

    ae0783d1fcc4d1a5a59dacfeab887254

    SHA1

    d441d237b97100710e9ea451df1a4d58379ab26a

    SHA256

    7ee412573dd4a9a7e9161fbb774f42c29fe546022220243535e51cd0cee55196

    SHA512

    54bd5c88cc52628f2cc9e19cfdc7655e3a14c9e6b0a7fc3d45be899295f08b5562d54537cbbfd066d778596bdf4d818afb7c099f22241b13c2c93a1035f78fbc

  • C:\Windows\mydoc.rtf

    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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

    Filesize

    512KB

    MD5

    5d08b91f215970dede3e66e7e0873c13

    SHA1

    a8f2110ec36fbbe5e66fcc19f6efe535b2b6bfd9

    SHA256

    1388d5f39acba6671323b4953344dfe07389407eae61fd5ffc573fb206da1417

    SHA512

    efd0d212621ee5170c5884e574905252ac75d54d1ea8e42a92aeca061bf95d65ef3aa730f9ce5565daa6ab3abb29cf2f463b17bf054afeafce91fb72475f07a5

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

    Filesize

    512KB

    MD5

    28cfb583719aed3be9e7cfbd32017765

    SHA1

    d47642fed879d8893ef1685934e88ac08ab76579

    SHA256

    7a99184c2e6fefc95123a23ebeff13895d4b1794980d99e6547d2e34ca577421

    SHA512

    b5c23f8159c674e2905b09e5210b6621d0e3229490c0f830603ebb31df5865b8556ae5ab70bf45a37f070825f999d9703369b13f0372b66248ee0a4b03022a30

  • memory/1052-43-0x00007FFCDF450000-0x00007FFCDF645000-memory.dmp

    Filesize

    2.0MB

  • memory/1052-134-0x00007FFC9F4D0000-0x00007FFC9F4E0000-memory.dmp

    Filesize

    64KB

  • memory/1052-47-0x00007FFCDF450000-0x00007FFCDF645000-memory.dmp

    Filesize

    2.0MB

  • memory/1052-48-0x00007FFCDF450000-0x00007FFCDF645000-memory.dmp

    Filesize

    2.0MB

  • memory/1052-49-0x00007FFCDF450000-0x00007FFCDF645000-memory.dmp

    Filesize

    2.0MB

  • memory/1052-50-0x00007FFCDF450000-0x00007FFCDF645000-memory.dmp

    Filesize

    2.0MB

  • memory/1052-51-0x00007FFC9D330000-0x00007FFC9D340000-memory.dmp

    Filesize

    64KB

  • memory/1052-52-0x00007FFCDF450000-0x00007FFCDF645000-memory.dmp

    Filesize

    2.0MB

  • memory/1052-53-0x00007FFC9D330000-0x00007FFC9D340000-memory.dmp

    Filesize

    64KB

  • memory/1052-45-0x00007FFCDF450000-0x00007FFCDF645000-memory.dmp

    Filesize

    2.0MB

  • memory/1052-44-0x00007FFC9F4D0000-0x00007FFC9F4E0000-memory.dmp

    Filesize

    64KB

  • memory/1052-38-0x00007FFC9F4D0000-0x00007FFC9F4E0000-memory.dmp

    Filesize

    64KB

  • memory/1052-42-0x00007FFC9F4D0000-0x00007FFC9F4E0000-memory.dmp

    Filesize

    64KB

  • memory/1052-139-0x00007FFCDF450000-0x00007FFCDF645000-memory.dmp

    Filesize

    2.0MB

  • memory/1052-41-0x00007FFCDF450000-0x00007FFCDF645000-memory.dmp

    Filesize

    2.0MB

  • memory/1052-39-0x00007FFC9F4D0000-0x00007FFC9F4E0000-memory.dmp

    Filesize

    64KB

  • memory/1052-99-0x00007FFCDF450000-0x00007FFCDF645000-memory.dmp

    Filesize

    2.0MB

  • memory/1052-40-0x00007FFCDF450000-0x00007FFCDF645000-memory.dmp

    Filesize

    2.0MB

  • memory/1052-37-0x00007FFC9F4D0000-0x00007FFC9F4E0000-memory.dmp

    Filesize

    64KB

  • memory/1052-46-0x00007FFCDF450000-0x00007FFCDF645000-memory.dmp

    Filesize

    2.0MB

  • memory/1052-135-0x00007FFC9F4D0000-0x00007FFC9F4E0000-memory.dmp

    Filesize

    64KB

  • memory/1052-136-0x00007FFC9F4D0000-0x00007FFC9F4E0000-memory.dmp

    Filesize

    64KB

  • memory/1052-138-0x00007FFCDF450000-0x00007FFCDF645000-memory.dmp

    Filesize

    2.0MB

  • memory/1052-137-0x00007FFC9F4D0000-0x00007FFC9F4E0000-memory.dmp

    Filesize

    64KB

  • memory/1504-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB