Analysis

  • max time kernel
    195s
  • max time network
    299s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    25/07/2024, 22:45

General

  • Target
    9f7be9bf913d8378f094b3f6416db9aa4c80c380000202f7cfaddadb6efc41b4.exe
  • Size 10.7MB
  • Sample240725-2plemszcmm
  • SHA256 9f7be9bf913d8378f094b3f6416db9aa4c80c380000202f7cfaddadb6efc41b4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Monster Stealer. 2 IoCs
  • Monster

    Monster is a Golang stealer that was discovered in 2024.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 32 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Embeds OpenSSL 1 IoCs

    Embeds OpenSSL, may be used to circumvent TLS interception.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9f7be9bf913d8378f094b3f6416db9aa4c80c380000202f7cfaddadb6efc41b4.exe
    "C:\Users\Admin\AppData\Local\Temp\9f7be9bf913d8378f094b3f6416db9aa4c80c380000202f7cfaddadb6efc41b4.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Users\Admin\AppData\Local\Temp\onefile_2100_133664211592804702\stub.exe
      "C:\Users\Admin\AppData\Local\Temp\9f7be9bf913d8378f094b3f6416db9aa4c80c380000202f7cfaddadb6efc41b4.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:216
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "ver"
        3⤵
          PID:4260
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "wmic csproduct get uuid"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1144
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic csproduct get uuid
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1508
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "tasklist"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:344
          • C:\Windows\system32\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:1648

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          _bz2.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_bz2.pyd
          • Size 81KB
          • SHA256 f178e29921c04fb68cc08b1e5d1181e5df8ce1de38a968778e27990f4a69973c
          • MD5 SHA1 SHA512 SSDEEP

          _ctypes.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_ctypes.pyd
          • Size 119KB
          • SHA256 92d7954d9099762d81c1ae2836c11b6ba58c1883fde8eeefe387cc93f2f6afb4
          • MD5 SHA1 SHA512 SSDEEP

          _lzma.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_lzma.pyd
          • Size 154KB
          • SHA256 80a6ebe46f43ffa93bbdbfc83e67d6f44a44055de1439b06e4dd2983cb243df6
          • MD5 SHA1 SHA512 SSDEEP

          _sqlite3.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_sqlite3.pyd
          • Size 95KB
          • SHA256 85de6d0b08b5cc1f2c3225c07338c76e1cab43b4de66619824f7b06cb2284c9e
          • MD5 SHA1 SHA512 SSDEEP

          _ssl.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_ssl.pyd
          • Size 155KB
          • SHA256 58b772b53bfe898513c0eb264ae4fa47ed3d8f256bc8f70202356d20f9ecb6dc
          • MD5 SHA1 SHA512 SSDEEP

          _http_parser.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\aiohttp\_http_parser.pyd
          • Size 217KB
          • SHA256 580a004e93bed99820b1584dffaf0c4caa9fbbf4852ccded3b2b99975299367b
          • MD5 SHA1 SHA512 SSDEEP

          _rust.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\cryptography\hazmat\bindings\_rust.pyd
          • Size 6.9MB
          • SHA256 2c7a31dec06df4eec6b068a0b4b009c8f52ef34ace785c8b584408cb29ce28fd
          • MD5 SHA1 SHA512 SSDEEP

          _frozenlist.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\frozenlist\_frozenlist.pyd
          • Size 84KB
          • SHA256 5c204f6966526af4dc0c0d6d29909b6f088c4fa781464f2948414d833b03094d
          • MD5 SHA1 SHA512 SSDEEP

          libffi-7.dll

          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\libffi-7.dll
          • Size 32KB
          • SHA256 f60dd9f2fcbd495674dfc1555effb710eb081fc7d4cae5fa58c438ab50405081
          • MD5 SHA1 SHA512 SSDEEP

          sqlite3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\sqlite3.dll
          • Size 1.4MB
          • SHA256 50825ea8b431d86ec228d9fa6b643e2c70044c709f5d9471d779be63ff18bcd0
          • MD5 SHA1 SHA512 SSDEEP

          unicodedata.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\unicodedata.pyd
          • Size 1.1MB
          • SHA256 2cf6c5dea30bb0584991b2065c052c22d258b6e15384447dcea193fdcac5f758
          • MD5 SHA1 SHA512 SSDEEP

          _quoting_c.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\yarl\_quoting_c.pyd
          • Size 93KB
          • SHA256 eefb46501ef97baf29a93304f58674e70f5ccecafb183f230e5ce7872a852f56
          • MD5 SHA1 SHA512 SSDEEP

          VCRUNTIME140.dll

          • Path C:\Users\Admin\AppData\Local\Temp\onefile_2100_133664211592804702\VCRUNTIME140.dll
          • Size 96KB
          • SHA256 d66c3b47091ceb3f8d3cc165a43d285ae919211a0c0fcb74491ee574d8d464f8
          • MD5 SHA1 SHA512 SSDEEP

          python310.dll

          • Path C:\Users\Admin\AppData\Local\Temp\onefile_2100_133664211592804702\python310.dll
          • Size 4.3MB
          • SHA256 058925e4bbfcb460a3c00ec824b8390583baef0c780a7c7ff01d43d9eec45f20
          • MD5 SHA1 SHA512 SSDEEP

          stub.exe

          • Path C:\Users\Admin\AppData\Local\Temp\onefile_2100_133664211592804702\stub.exe
          • Size 18.0MB
          • SHA256 1352ad9860a42137b096d9675a7b8d578fbc596d965de3cb352619cbe6aaf4e9
          • MD5 SHA1 SHA512 SSDEEP

          _asyncio.pyd

          • Path \Users\Admin\AppData\Local\Temp\ONEFIL~1\_asyncio.pyd
          • Size 62KB
          • SHA256 3b0661ef2264d6566368b677c732ba062ac4688ef40c22476992a0f9536b0010
          • MD5 SHA1 SHA512 SSDEEP

          _cffi_backend.pyd

          • Path \Users\Admin\AppData\Local\Temp\ONEFIL~1\_cffi_backend.pyd
          • Size 177KB
          • SHA256 52e5a0c3ca9b0d4fc67243bd8492f5c305ff1653e8d956a2a3d9d36af0a3e4fd
          • MD5 SHA1 SHA512 SSDEEP

          _hashlib.pyd

          • Path \Users\Admin\AppData\Local\Temp\ONEFIL~1\_hashlib.pyd
          • Size 60KB
          • SHA256 1be5cfd06a782b2ae8e4629d9d035cbc487074e8f63b9773c85e317be29c0430
          • MD5 SHA1 SHA512 SSDEEP

          _overlapped.pyd

          • Path \Users\Admin\AppData\Local\Temp\ONEFIL~1\_overlapped.pyd
          • Size 47KB
          • SHA256 0606a0c5c4ab46c4a25ded5a2772e672016cac574503681841800f9059af21c4
          • MD5 SHA1 SHA512 SSDEEP

          _socket.pyd

          • Path \Users\Admin\AppData\Local\Temp\ONEFIL~1\_socket.pyd
          • Size 75KB
          • SHA256 8046bf64e463d5aa38d13525891156131cf997c2e6cdf47527bc352f00f5c90a
          • MD5 SHA1 SHA512 SSDEEP

          _uuid.pyd

          • Path \Users\Admin\AppData\Local\Temp\ONEFIL~1\_uuid.pyd
          • Size 23KB
          • SHA256 51dd1ea5e8cacf7ec4cadefdf685334c7725ff85978390d0b3d67fc8c54fe1db
          • MD5 SHA1 SHA512 SSDEEP

          _helpers.pyd

          • Path \Users\Admin\AppData\Local\Temp\ONEFIL~1\aiohttp\_helpers.pyd
          • Size 38KB
          • SHA256 04d56d6aa727665802283b8adf9b873c1dd76dfc7265a12c0f627528ba706040
          • MD5 SHA1 SHA512 SSDEEP

          _http_writer.pyd

          • Path \Users\Admin\AppData\Local\Temp\ONEFIL~1\aiohttp\_http_writer.pyd
          • Size 34KB
          • SHA256 51490359d8079232565187223517eca99e1ce55bc97b93cf966d2a5c1f2e5435
          • MD5 SHA1 SHA512 SSDEEP

          _websocket.pyd

          • Path \Users\Admin\AppData\Local\Temp\ONEFIL~1\aiohttp\_websocket.pyd
          • Size 22KB
          • SHA256 4a5c9f8c3bca865df94ac93355e3ad492de03ae5fea41c1fa82fa4360c592ba5
          • MD5 SHA1 SHA512 SSDEEP

          md.pyd

          • Path \Users\Admin\AppData\Local\Temp\ONEFIL~1\charset_normalizer\md.pyd
          • Size 10KB
          • SHA256 9b3d70922dcfaeb02812afa9030a40433b9d2b58bcf088781f9ab68a74d20664
          • MD5 SHA1 SHA512 SSDEEP

          md__mypyc.pyd

          • Path \Users\Admin\AppData\Local\Temp\ONEFIL~1\charset_normalizer\md__mypyc.pyd
          • Size 117KB
          • SHA256 ad9bcc0de6815516dfde91bb2e477f8fb5f099d7f5511d0f54b50fa77b721051
          • MD5 SHA1 SHA512 SSDEEP

          libcrypto-1_1.dll

          • Path \Users\Admin\AppData\Local\Temp\ONEFIL~1\libcrypto-1_1.dll
          • Size 3.3MB
          • SHA256 9c0a0a11629cced6a064932e95a0158ee936739d75a56338702fed97cb0bad55
          • MD5 SHA1 SHA512 SSDEEP

          libssl-1_1.dll

          • Path \Users\Admin\AppData\Local\Temp\ONEFIL~1\libssl-1_1.dll
          • Size 682KB
          • SHA256 ed1c8769f5096afd000fc730a37b11177fcf90890345071ab7fbceac684d571f
          • MD5 SHA1 SHA512 SSDEEP

          _multidict.pyd

          • Path \Users\Admin\AppData\Local\Temp\ONEFIL~1\multidict\_multidict.pyd
          • Size 45KB
          • SHA256 74ec52418c5d38a63add94228c6f68cf49519666ae8bcb7ac199f7d539d8612c
          • MD5 SHA1 SHA512 SSDEEP

          select.pyd

          • Path \Users\Admin\AppData\Local\Temp\ONEFIL~1\select.pyd
          • Size 28KB
          • SHA256 68b80009ab656ffe811d680585fac3d4f9c1b45f29d48c67ea2b3580ec4d86a1
          • MD5 SHA1 SHA512 SSDEEP

          python3.dll

          • Path \Users\Admin\AppData\Local\Temp\onefile_2100_133664211592804702\python3.dll
          • Size 63KB
          • SHA256 5d78cd1365ea9ae4e95872576cfa4055342f1e80b06f3051cf91d564b6cd09f5
          • MD5 SHA1 SHA512 SSDEEP

          memory/216-103-0x00007FF6BCFA0000-0x00007FF6BE1DE000-memory.dmp

          memory/2100-108-0x00007FF7EFBF0000-0x00007FF7F06C8000-memory.dmp