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Analysis

  • max time kernel
    158s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/11/2023, 08:36

General

  • Target

    809852ffea8c153ff88ddcad0299224e9177535e293ec0d580c61747b9248bf6.exe

  • Size

    193KB

  • MD5

    98a7a9bfa7080f96ddf437cc1e66d3d2

  • SHA1

    91238833ab01f0e1ef78306ed441770789fac04e

  • SHA256

    809852ffea8c153ff88ddcad0299224e9177535e293ec0d580c61747b9248bf6

  • SHA512

    1cf4f2c8bd44c90f750384831985c343ae1e0a53e25b0aed0045fcccac07337048b9c7d890d64f7500b4f46564af8a14ea3c9ab4f8e8a7a7181050b057c4c795

  • SSDEEP

    6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOh:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXs

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\809852ffea8c153ff88ddcad0299224e9177535e293ec0d580c61747b9248bf6.exe
    "C:\Users\Admin\AppData\Local\Temp\809852ffea8c153ff88ddcad0299224e9177535e293ec0d580c61747b9248bf6.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4792
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\809852~1.EXE > nul
      2⤵
        PID:1140
    • C:\Windows\Debug\guehost.exe
      C:\Windows\Debug\guehost.exe
      1⤵
      • Executes dropped EXE
      • Checks processor information in registry
      PID:1364

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\Debug\guehost.exe

      Filesize

      193KB

      MD5

      4492610ac660ebc3ab386697d1db3d3e

      SHA1

      55fc432155f52c6ce545822f12056a3f3ffb0321

      SHA256

      87cb454c1686650a065ee982acbca1942702757a771541c83a54dba9b9ed4ac4

      SHA512

      d2c9c7d33d76485e64ce5722e4e2239987560d4740bcff616ea5438cc3dfc1043bf052699bdfe806db3860705febb0d637bd96527791f73f0eb223390f71a283

    • C:\Windows\debug\guehost.exe

      Filesize

      193KB

      MD5

      4492610ac660ebc3ab386697d1db3d3e

      SHA1

      55fc432155f52c6ce545822f12056a3f3ffb0321

      SHA256

      87cb454c1686650a065ee982acbca1942702757a771541c83a54dba9b9ed4ac4

      SHA512

      d2c9c7d33d76485e64ce5722e4e2239987560d4740bcff616ea5438cc3dfc1043bf052699bdfe806db3860705febb0d637bd96527791f73f0eb223390f71a283