Analysis

  • max time kernel
    147s
  • 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
    17/06/2024, 09:17

General

  • Target
    cstealer.exe
  • Size 16.3MB
  • Sample240617-k9bbqsthmd
  • SHA256 47db7889181e23435030efcc966620c9f177325f7fa12a5a6b57c1cfca33358d
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 42 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cstealer.exe
    "C:\Users\Admin\AppData\Local\Temp\cstealer.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3220
    • C:\Users\Admin\AppData\Local\Temp\cstealer.exe
      "C:\Users\Admin\AppData\Local\Temp\cstealer.exe"
      2⤵
      • Loads dropped DLL
      PID:3224
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4420

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          _raw_cbc.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\Crypto\Cipher\_raw_cbc.pyd
          • Size 12KB
          • SHA256 11dd1b49f70db23617e84e08e709d4a9c86759d911a24ebddfb91c414cc7f375
          • MD5 SHA1 SHA512 SSDEEP

          _raw_cfb.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\Crypto\Cipher\_raw_cfb.pyd
          • Size 13KB
          • SHA256 faa41385d0db8d4ee2ee74ee540bc879cf2e884bee87655ff3c89c8c517eed45
          • MD5 SHA1 SHA512 SSDEEP

          _raw_ctr.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\Crypto\Cipher\_raw_ctr.pyd
          • Size 14KB
          • SHA256 61c7a532e108f67874ef2e17244358df19158f6142680f5b21032ba4889ac5d8
          • MD5 SHA1 SHA512 SSDEEP

          _raw_ecb.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\Crypto\Cipher\_raw_ecb.pyd
          • Size 10KB
          • SHA256 3e0d07bbf93e0748b42b1c2550f48f0d81597486038c22548224584ae178a543
          • MD5 SHA1 SHA512 SSDEEP

          _raw_ofb.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\Crypto\Cipher\_raw_ofb.pyd
          • Size 12KB
          • SHA256 c9f4c5ffcdd4f8814f8c07ce532a164ab699ae8cde737df02d6ecd7b5dd52dbd
          • MD5 SHA1 SHA512 SSDEEP

          VCRUNTIME140.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\VCRUNTIME140.dll
          • Size 116KB
          • SHA256 4d292623516f65c80482081e62d5dadb759dc16e851de5db24c3cbb57b87db83
          • MD5 SHA1 SHA512 SSDEEP

          VCRUNTIME140_1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\VCRUNTIME140_1.dll
          • Size 48KB
          • SHA256 a113f192195f245f17389e6ecbed8005990bcb2476ddad33f7c4c6c86327afe5
          • MD5 SHA1 SHA512 SSDEEP

          _asyncio.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\_asyncio.pyd
          • Size 69KB
          • SHA256 2dfcaec25de17be21f91456256219578eae9a7aec5d21385dec53d0840cf0b8d
          • MD5 SHA1 SHA512 SSDEEP

          _bz2.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\_bz2.pyd
          • Size 83KB
          • SHA256 f81dc49eac5ecc528e628175add2ff6bda695a93ea76671d7187155aa6326abb
          • MD5 SHA1 SHA512 SSDEEP

          _cffi_backend.cp312-win_amd64.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\_cffi_backend.cp312-win_amd64.pyd
          • Size 178KB
          • SHA256 d8a76d1e31bbd62a482dea9115fc1a109cb39af4cf6d1323409175f3c93113a7
          • MD5 SHA1 SHA512 SSDEEP

          _ctypes.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\_ctypes.pyd
          • Size 122KB
          • SHA256 be9828a877e412b48d75addc4553d2d2a60ae762a3551f9731b50cae7d65b570
          • MD5 SHA1 SHA512 SSDEEP

          _decimal.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\_decimal.pyd
          • Size 245KB
          • SHA256 e4104e47399d3f635a14d649f61250e9fd37f7e65c81ffe11f099923f8532577
          • MD5 SHA1 SHA512 SSDEEP

          _hashlib.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\_hashlib.pyd
          • Size 64KB
          • SHA256 79c4cde23397b9a35b54a3c2298b3c7a844454f4387cb0693f15e4facd227dd2
          • MD5 SHA1 SHA512 SSDEEP

          _lzma.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\_lzma.pyd
          • Size 156KB
          • SHA256 a6e2a5bb7a33ad9054f178786a031a46ea560faeef1fb96259331500aae9154c
          • MD5 SHA1 SHA512 SSDEEP

          _multiprocessing.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\_multiprocessing.pyd
          • Size 34KB
          • SHA256 467b0fef42d70b55abf41d817dff7631faeef84dce64f8aadb5690a22808d40c
          • MD5 SHA1 SHA512 SSDEEP

          _overlapped.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\_overlapped.pyd
          • Size 54KB
          • SHA256 67e6ca6f1645c6928ade6718db28aff1c49a192e8811732b5e99364991102615
          • MD5 SHA1 SHA512 SSDEEP

          _queue.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\_queue.pyd
          • Size 31KB
          • SHA256 3f57f29abd86d4dc8f4ca6c3f190ebb57d429143d98f0636ff5117e08ed81f9b
          • MD5 SHA1 SHA512 SSDEEP

          _socket.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\_socket.pyd
          • Size 81KB
          • SHA256 7daff6aa3851a913ed97995702a5dfb8a27cb7cf00fb496597be777228d7564a
          • MD5 SHA1 SHA512 SSDEEP

          _sqlite3.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\_sqlite3.pyd
          • Size 121KB
          • SHA256 3e96cd9e8abbea5c6b11ee91301d147f3e416ac6c22eb53123eaeae51592d2fe
          • MD5 SHA1 SHA512 SSDEEP

          _ssl.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\_ssl.pyd
          • Size 174KB
          • SHA256 d568b3c99bf0fc35a1f3c5f66b4a9d3b67e23a1d3cf0a4d30499d924d805f5aa
          • MD5 SHA1 SHA512 SSDEEP

          _wmi.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\_wmi.pyd
          • Size 35KB
          • SHA256 1a105311a5ed88a31472b141b4b6daa388a1cd359fe705d9a7a4aba793c5749f
          • MD5 SHA1 SHA512 SSDEEP

          base_library.zip

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\base_library.zip
          • Size 1.3MB
          • SHA256 8de4f013bfecb9431aabaa97bb084fb7de127b365b9478d6f7610959bf0d2783
          • MD5 SHA1 SHA512 SSDEEP

          cacert.pem

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\certifi\cacert.pem
          • Size 287KB
          • SHA256 1605d0d39c5e25d67e7838da6a17dcf2e8c6cfa79030e8fb0318e35f5495493c
          • MD5 SHA1 SHA512 SSDEEP

          md.cp312-win_amd64.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\charset_normalizer\md.cp312-win_amd64.pyd
          • Size 10KB
          • SHA256 ecf12e2c0a00c0ed4e2343ea956d78eed55e5a36ba49773633b2dfe7b04335c0
          • MD5 SHA1 SHA512 SSDEEP

          md__mypyc.cp312-win_amd64.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\charset_normalizer\md__mypyc.cp312-win_amd64.pyd
          • Size 120KB
          • SHA256 4107b1d6f11d842074a9f21323290bbe97e8eed4aa778fbc348ee09cc4fa4637
          • MD5 SHA1 SHA512 SSDEEP

          libcrypto-3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\libcrypto-3.dll
          • Size 5.0MB
          • SHA256 05fe080eab7fc535c51e10c1bd76a2f3e6217f9c91a25034774588881c3f99de
          • MD5 SHA1 SHA512 SSDEEP

          libffi-8.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\libffi-8.dll
          • Size 38KB
          • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
          • MD5 SHA1 SHA512 SSDEEP

          libssl-3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\libssl-3.dll
          • Size 768KB
          • SHA256 2e9fbcd8f7fdc13a5179533239811456554f2b3aa2fb10e1b17be0df81c79006
          • MD5 SHA1 SHA512 SSDEEP

          pyexpat.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\pyexpat.pyd
          • Size 196KB
          • SHA256 4779e19ee0f4f0be953805efa1174e127f6e91ad023bd33ac7127fef35e9087b
          • MD5 SHA1 SHA512 SSDEEP

          python3.DLL

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\python3.DLL
          • Size 66KB
          • SHA256 d2e348e615a5d3b08b0bac29b91f79b32f0c1d0be48976450042462466b51123
          • MD5 SHA1 SHA512 SSDEEP

          python312.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\python312.dll
          • Size 6.6MB
          • SHA256 c98ba3354a7d1f69bdca42560feec933ccba93afcc707391049a065e1079cddb
          • MD5 SHA1 SHA512 SSDEEP

          select.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\select.pyd
          • Size 29KB
          • SHA256 680df34fb908c49410ac5f68a8c05d92858acd111e62d1194d15bdce520bd6c3
          • MD5 SHA1 SHA512 SSDEEP

          sqlite3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\sqlite3.dll
          • Size 1.5MB
          • SHA256 7da1c4604fc97ba033830a2703d92bb6d10a9bba201ec64d13d5ccbfecd57d49
          • MD5 SHA1 SHA512 SSDEEP

          unicodedata.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI32202\unicodedata.pyd
          • Size 1.1MB
          • SHA256 10ffd5207eeff5a836b330b237d766365d746c30e01abf0fd01f78548d1f1b04
          • MD5 SHA1 SHA512 SSDEEP