Resubmissions

06/08/2024, 16:17

240806-trwpdsxend7

06/08/2024, 16:14

240806-tp1wbsxekf7

Analysis

  • max time kernel
    6s
  • max time network
    8s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/08/2024, 16:17

General

  • Target
    FallenExternal.exe
  • Size 53.9MB
  • Sample240806-trwpdsxend
  • SHA256 220def4539915fb58ee0f80599fa1e69eaad2a486c83d6522f828c6b5452cc72
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 42 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FallenExternal.exe
    "C:\Users\Admin\AppData\Local\Temp\FallenExternal.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\GPUpdate.exe
      "C:\Users\Admin\AppData\Local\Temp\FallenExternal.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      PID:432

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        _raw_ofb.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Cryptodome\Cipher\_raw_ofb.pyd
        • Size 12KB
        • SHA256 f326aa2a582b773f4df796035ec9bf69ec1ad11897c7d0ecfab970d33310d6ba
        • MD5 SHA1 SHA512 SSDEEP

        _strxor.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Cryptodome\Util\_strxor.pyd
        • Size 10KB
        • SHA256 61e23970b6ced494e11dc9de9cb889c70b7ff7a5afe5242ba8b29aa3da7bc60e
        • MD5 SHA1 SHA512 SSDEEP

        _ssl.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_ssl.pyd
        • Size 155KB
        • SHA256 cb42e8598e3fa53eeebf63f2af1730b9ec64614bda276ab2cd1f1c196b3d7e32
        • MD5 SHA1 SHA512 SSDEEP

        cacert.pem

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\certifi\cacert.pem
        • Size 284KB
        • SHA256 488ba960602bf07cc63f4ef7aec108692fec41820fc3328a8e3f3de038149aee
        • MD5 SHA1 SHA512 SSDEEP

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\libffi-8.dll
        • Size 34KB
        • SHA256 128a583e821e52b595eb4b3dda17697d3ca456ee72945f7ecce48ededad0e93c
        • MD5 SHA1 SHA512 SSDEEP

        sqlite3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\sqlite3.dll
        • Size 1.4MB
        • SHA256 8d58db3067899c997c2db13baf13cd4136f3072874b3ca1f375937e37e33d800
        • MD5 SHA1 SHA512 SSDEEP

        unicodedata.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\unicodedata.pyd
        • Size 1.1MB
        • SHA256 ecf7836aa0d36b5880eb6f799ec402b1f2e999f78bfff6fb9a942d1d8d0b9baa
        • MD5 SHA1 SHA512 SSDEEP

        backend_c.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\zstandard\backend_c.pyd
        • Size 512KB
        • SHA256 b990efbda8a50c49cd7fde5894f3c8f3715cb850f8cc4c10bc03fd92e310260f
        • MD5 SHA1 SHA512 SSDEEP

        _raw_cbc.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\Cryptodome\Cipher\_raw_cbc.pyd
        • Size 12KB
        • SHA256 b7160ed222d56925e5b2e247f0070d5d997701e8e239ec7f80bce21d14fa5816
        • MD5 SHA1 SHA512 SSDEEP

        _raw_cfb.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\Cryptodome\Cipher\_raw_cfb.pyd
        • Size 13KB
        • SHA256 dbf703293cff0446dfd15bbaeda52fb044f56a353dda3beca9aadd8a959c5798
        • MD5 SHA1 SHA512 SSDEEP

        _raw_ctr.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\Cryptodome\Cipher\_raw_ctr.pyd
        • Size 14KB
        • SHA256 98baca99834de65fc29efa930cd9dba8da233b4cfdfc4ab792e1871649b2fe5c
        • MD5 SHA1 SHA512 SSDEEP

        _raw_ecb.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\Cryptodome\Cipher\_raw_ecb.pyd
        • Size 10KB
        • SHA256 0e3ec56a1f3c86be1caa503e5b89567aa91fd3d6da5ad4e4de4098f21270d86b
        • MD5 SHA1 SHA512 SSDEEP

        _BLAKE2s.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\Cryptodome\Hash\_BLAKE2s.pyd
        • Size 14KB
        • SHA256 4f78e61b376151ca2d0856d2e59976670f5145fbabab1eec9b2a3b5bebb4eef6
        • MD5 SHA1 SHA512 SSDEEP

        _SHA1.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\Cryptodome\Hash\_SHA1.pyd
        • Size 19KB
        • SHA256 e781d6daf2baaa2c1a45bd1cddb21ba491442d49a03255c1e367f246f17e13bf
        • MD5 SHA1 SHA512 SSDEEP

        _SHA256.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\Cryptodome\Hash\_SHA256.pyd
        • Size 21KB
        • SHA256 e50db07e18cb84827b0d55c7183cf580fb809673bcafbcef60e83b4899f3aa74
        • MD5 SHA1 SHA512 SSDEEP

        GPUpdate.exe

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\GPUpdate.exe
        • Size 33.3MB
        • SHA256 7cfb099d1147bf90acf4c3a5c2c35d22d4dbd2c3d1b50772662888ec67126925
        • MD5 SHA1 SHA512 SSDEEP

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\_bz2.pyd
        • Size 81KB
        • SHA256 5843872d5e2b08f138a71fe9ba94813afee59c8b48166d4a8eb0f606107a7e80
        • MD5 SHA1 SHA512 SSDEEP

        _cffi_backend.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\_cffi_backend.pyd
        • Size 177KB
        • SHA256 59767b0918859beddf28a7d66a50431411ffd940c32b3e8347e6d938b60facdf
        • MD5 SHA1 SHA512 SSDEEP

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\_ctypes.pyd
        • Size 120KB
        • SHA256 e662d2b35bb48c5f3432bde79c0d20313238af800968ba0faa6ea7e7e5ef4535
        • MD5 SHA1 SHA512 SSDEEP

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\_hashlib.pyd
        • Size 62KB
        • SHA256 39bc615842a176db72d4e0558f3cdcae23ab0623ad132f815d21dcfbfd4b110e
        • MD5 SHA1 SHA512 SSDEEP

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\_lzma.pyd
        • Size 154KB
        • SHA256 613de58e4a9a80eff8f8bc45c350a6eaebf89f85ffd2d7e3b0b266bf0888a60a
        • MD5 SHA1 SHA512 SSDEEP

        _queue.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\_queue.pyd
        • Size 30KB
        • SHA256 2f71046891ba279b00b70eb031fe90b379dbe84559cf49ce5d1297ea6bf47a78
        • MD5 SHA1 SHA512 SSDEEP

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\_socket.pyd
        • Size 76KB
        • SHA256 39715ef8d043354f0ab15f62878530a38518fb6192bc48da6a098498e8d35769
        • MD5 SHA1 SHA512 SSDEEP

        _sqlite3.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\_sqlite3.pyd
        • Size 115KB
        • SHA256 ddbed9d48b17c54fd3005f5a868dd63cb8f3efe2c22c1821cebb2fe72836e446
        • MD5 SHA1 SHA512 SSDEEP

        _uuid.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\_uuid.pyd
        • Size 23KB
        • SHA256 f7f57807c15c21c5aa9818edf3993d0b94aef8af5808e1ad86a98637fc499d44
        • MD5 SHA1 SHA512 SSDEEP

        libcrypto-1_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\libcrypto-1_1.dll
        • Size 3.3MB
        • SHA256 976ce72efd0a8aeeb6e21ad441aa9138434314ea07f777432205947cdb149541
        • MD5 SHA1 SHA512 SSDEEP

        libssl-1_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\libssl-1_1.dll
        • Size 686KB
        • SHA256 2aebb73530d21a2273692a5a3d57235b770daf1c35f60c74e01754a5dac05071
        • MD5 SHA1 SHA512 SSDEEP

        _psutil_windows.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\psutil\_psutil_windows.pyd
        • Size 65KB
        • SHA256 95f01ce7e37f6b4b281dbc76e9b88f28a03cb02d41383cc986803275a1cd6333
        • MD5 SHA1 SHA512 SSDEEP

        python3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\python3.dll
        • Size 64KB
        • SHA256 4055d1b9e553b78c244143ab6b48151604003b39a9bf54879dee9175455c1281
        • MD5 SHA1 SHA512 SSDEEP

        python311.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\python311.dll
        • Size 5.5MB
        • SHA256 a0cf640e756875c25c12b4a38ba5f2772e8e512036e2ac59eb8567bf05ffbfb7
        • MD5 SHA1 SHA512 SSDEEP

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\select.pyd
        • Size 28KB
        • SHA256 0046eb32f873cde62cf29af02687b1dd43154e9fd10e0aa3d8353d3debb38790
        • MD5 SHA1 SHA512 SSDEEP

        vcruntime140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2388_133674346967444569\vcruntime140.dll
        • Size 96KB
        • SHA256 d66c3b47091ceb3f8d3cc165a43d285ae919211a0c0fcb74491ee574d8d464f8
        • MD5 SHA1 SHA512 SSDEEP