Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/03/2024, 11:43

General

  • Target

    c082ff8af0528db66a7143e97522eeaa.exe

  • Size

    512KB

  • MD5

    c082ff8af0528db66a7143e97522eeaa

  • SHA1

    4982f63e1a67518db09ccf4a936993375fd5b68a

  • SHA256

    9d62e0190265ab56bfb4d0d581c29053455826f2f477f172f5e4baec8fdc433c

  • SHA512

    2a9b6b12d92d8e86d67330631ea92ca236a14d445f9c293a5ba2062ffd16e6b69c2911bd2e236c8077016df24c3b846890c66482a94d6bf21aace8f7861a1377

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6r: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 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\c082ff8af0528db66a7143e97522eeaa.exe
    "C:\Users\Admin\AppData\Local\Temp\c082ff8af0528db66a7143e97522eeaa.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:2428
    • C:\Windows\SysWOW64\soxaxcqgji.exe
      soxaxcqgji.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:4060
      • C:\Windows\SysWOW64\cnzofyyv.exe
        C:\Windows\system32\cnzofyyv.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:3228
    • C:\Windows\SysWOW64\edodevjemhtdybu.exe
      edodevjemhtdybu.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:64
    • C:\Windows\SysWOW64\cnzofyyv.exe
      cnzofyyv.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:368
    • C:\Windows\SysWOW64\jzrnyydvgeksn.exe
      jzrnyydvgeksn.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3536
    • 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:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    512KB

    MD5

    4e69cd2917728aedf0083a6f18457a49

    SHA1

    4de7e4c2839878c065fab7b00b16a3fcdc3ba61c

    SHA256

    7548020fbe74f99c2f2e1e70c0b13bfa6b8a00c6fe89fe9abeb64c3f9db6a24e

    SHA512

    1c1211cdcfacc76d561d930aa38ec6c901281bd09ae6963b414a8a8492afe99963da9bef0353d9ae5d974e7c8b9778b15848246319bd3734e13a1b69bf427c60

  • 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

    c1234c91eabf7f73fde0f75671d77e10

    SHA1

    45198f244e54090889c648f6a9161f6919f2fc48

    SHA256

    e5d6795b60e222e710232a0cb30351ea81d34569a5369a02bafbcae7ffb0df24

    SHA512

    c9190ad46ba31074508b561c7ce5b164b11bedf5b9535504434fc5c7b52cddd7eb26f0f3f0e5103225f00bafb3acbfd03a44face3ea94f86d51bdd14339befee

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

    Filesize

    3KB

    MD5

    790d48227aad1f4193bb49a1aeef47e6

    SHA1

    07938c47f9ede3fdf65a55dc38943fc74622dcd0

    SHA256

    d26a59dbc0cdd89b223845df458c02ba4d4b12de6adbed2e95607cd4c862a41f

    SHA512

    852c08d3a6954e9e18306567932584030d03011dcd03bdc7834a9fc52df68b54e49220c0516d2d58d7dea5842efbb5534714cb9bb56b7dbdd969a2ce32f20b82

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

    Filesize

    512KB

    MD5

    ca16bf20a6b81cd267b38c091a636374

    SHA1

    f954e5136aa858508cba1263f4103fca2fe84c44

    SHA256

    68ba9e6b3683305aa54ffe2b9bdd4ed1ea3d1713c1f4d404c817b97e726de746

    SHA512

    ba5ea7f26226b2d28b9ad5e5ae782511ec8de84c06f1254e154bccdf55f89b304726e5d8e00baf3b294e7ed9585ea9772b29e9ef5f9a21cfe0e9fa22337a1ef9

  • C:\Windows\SysWOW64\cnzofyyv.exe

    Filesize

    512KB

    MD5

    357be39b4bf8b808402876df63323336

    SHA1

    4ecda976df213b8404469aadbd21f3ea36498a11

    SHA256

    4c5c64bd509698b066c3c36b17bbf43090b5b1b88bb6ea0c289b5ebb1a50826c

    SHA512

    017c6ed3e74eb58f1e6931264243de3d0ba69eb134d7a21a6f06b14bcf4dc7c4f09250c00de6f2d034153b89f8f464bec5bd4fe170c5a1dcaa9f748aa6b922b9

  • C:\Windows\SysWOW64\edodevjemhtdybu.exe

    Filesize

    512KB

    MD5

    a38a5865cd5b29a7c9b84a9202b3636c

    SHA1

    cd23cf6ca25f3423c6a8bd26b153e80a3c97a8d3

    SHA256

    3cbdfc871fde691103b1e8d62f2b0abe5d0eba6b2bd235bcfd5a8a7c30883a3c

    SHA512

    098de6dff2343308534c4e1203fdc85c81184f6736db19c59b1218011215ef819bac03265e492188d84f9994f6f03b7191737d306d93ea878411685093c3e4a7

  • C:\Windows\SysWOW64\jzrnyydvgeksn.exe

    Filesize

    512KB

    MD5

    e9f891d4c230d0ef0425bb7df89555cf

    SHA1

    30043642195717ea463e56bff7e63823bc79370b

    SHA256

    d31a58c2c736ca7dbd6a98ef0733c1e27b6da2378b1020e8e987c3b941cde2c3

    SHA512

    12606d1710743defff59a978efc4ee9cc68ff2ec5b2daadecf9e41a3fd826522f04dcb1a4d919655c374c6aee78e804d45552a2bf0d9ca28cd321fe0b3a6e03c

  • C:\Windows\SysWOW64\soxaxcqgji.exe

    Filesize

    512KB

    MD5

    841748bd5e63eafcc71ba03e20c7d8a9

    SHA1

    271b84961996884d52e9a1bddf31db417db3c378

    SHA256

    ca2e26eeeeead92d36ffa912f276e518f86331814277bc68b39c0a24653c7684

    SHA512

    385e3747bfbb5a0a61d3e58bca85c1c5a55bc272e9c8be9ddde3428c671015004370a71b4e32d637f1bf9a9fdb0389abb97d4b09c7197bbccb40efbb6207e41a

  • C:\Windows\mydoc.rtf

    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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

    Filesize

    512KB

    MD5

    147074d6a0e08064c33a0fde2f36c0ac

    SHA1

    120e4e935e8fb6544939af6d7ebeffebaa26f6e4

    SHA256

    5f73841cfc1a5e36aaeb791e9ca29e8225ba23d1caaf45eef441eae3feaa81ac

    SHA512

    9fdbafa24b690bd8438facd20d436ebe88e4d7354d791bfc795696f4eaa23834475415ba8a41472066cee3afa8a047e0ec3eedae3148149a750a94452b70e826

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

    Filesize

    512KB

    MD5

    5951746d7363d9254b632947a92731c1

    SHA1

    582cb981f4634801d4686d872aab9ab198636ee6

    SHA256

    9bebf229304676172a00d2dd4c6b2d71d5332d8f25c08b7e7b8ebfc0e24c07d9

    SHA512

    18a1963d0187632466f1c47d704d07e94cd28f06e936476c9cf64b0f78acc52fc3610b576c265ecc8627b819982cb48b5e910043bb7a9d677f170dd0238613b6

  • memory/2428-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

  • memory/2704-38-0x00007FFF898B0000-0x00007FFF898C0000-memory.dmp

    Filesize

    64KB

  • memory/2704-36-0x00007FFFC9830000-0x00007FFFC9A25000-memory.dmp

    Filesize

    2.0MB

  • memory/2704-47-0x00007FFF87850000-0x00007FFF87860000-memory.dmp

    Filesize

    64KB

  • memory/2704-48-0x00007FFF87850000-0x00007FFF87860000-memory.dmp

    Filesize

    64KB

  • memory/2704-43-0x00007FFF898B0000-0x00007FFF898C0000-memory.dmp

    Filesize

    64KB

  • memory/2704-39-0x00007FFF898B0000-0x00007FFF898C0000-memory.dmp

    Filesize

    64KB

  • memory/2704-41-0x00007FFF898B0000-0x00007FFF898C0000-memory.dmp

    Filesize

    64KB

  • memory/2704-42-0x00007FFFC9830000-0x00007FFFC9A25000-memory.dmp

    Filesize

    2.0MB

  • memory/2704-40-0x00007FFFC9830000-0x00007FFFC9A25000-memory.dmp

    Filesize

    2.0MB

  • memory/2704-37-0x00007FFFC9830000-0x00007FFFC9A25000-memory.dmp

    Filesize

    2.0MB

  • memory/2704-35-0x00007FFF898B0000-0x00007FFF898C0000-memory.dmp

    Filesize

    64KB

  • memory/2704-44-0x00007FFFC9830000-0x00007FFFC9A25000-memory.dmp

    Filesize

    2.0MB

  • memory/2704-106-0x00007FFFC9830000-0x00007FFFC9A25000-memory.dmp

    Filesize

    2.0MB

  • memory/2704-107-0x00007FFFC9830000-0x00007FFFC9A25000-memory.dmp

    Filesize

    2.0MB

  • memory/2704-108-0x00007FFFC9830000-0x00007FFFC9A25000-memory.dmp

    Filesize

    2.0MB

  • memory/2704-130-0x00007FFF898B0000-0x00007FFF898C0000-memory.dmp

    Filesize

    64KB

  • memory/2704-133-0x00007FFFC9830000-0x00007FFFC9A25000-memory.dmp

    Filesize

    2.0MB

  • memory/2704-134-0x00007FFF898B0000-0x00007FFF898C0000-memory.dmp

    Filesize

    64KB

  • memory/2704-135-0x00007FFFC9830000-0x00007FFFC9A25000-memory.dmp

    Filesize

    2.0MB

  • memory/2704-132-0x00007FFF898B0000-0x00007FFF898C0000-memory.dmp

    Filesize

    64KB

  • memory/2704-131-0x00007FFF898B0000-0x00007FFF898C0000-memory.dmp

    Filesize

    64KB

  • memory/2704-136-0x00007FFFC9830000-0x00007FFFC9A25000-memory.dmp

    Filesize

    2.0MB