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Analysis

  • max time kernel
    152s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 09:09

General

  • Target

    3ed14e41859c151c8db0c9b6653d0c1e35f90cfc68ec1333f5a569292814b6a6.exe

  • Size

    1015KB

  • MD5

    211aa37fead0732dc4cae273cd3a7131

  • SHA1

    3b0ba1d60f6f373d247b24ae95b86afa1b0407e0

  • SHA256

    3ed14e41859c151c8db0c9b6653d0c1e35f90cfc68ec1333f5a569292814b6a6

  • SHA512

    753859095e660b7cf5509b3b67966deddfe621e655c5b544ef22bc13407ec1cae8ab3884f9bc138747182cf0443c3d01c12cee36da0dee2bf7adab1bf755dbf9

  • SSDEEP

    12288:We788oVf9pKHaLZj/RVLjC/+p/ekLjw4p0V8hu:j87Vb0aNjfLNptjpE

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3ed14e41859c151c8db0c9b6653d0c1e35f90cfc68ec1333f5a569292814b6a6.exe
    "C:\Users\Admin\AppData\Local\Temp\3ed14e41859c151c8db0c9b6653d0c1e35f90cfc68ec1333f5a569292814b6a6.exe"
    1⤵
    • Adds policy Run key to start application
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Windows\SysWOW64\srchadmini.exe
      C:\Windows\SysWOW64\srchadmini.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2248
    • C:\Windows\SysWOW64\cmd.exe
      /c C:\Users\Admin\AppData\Local\Temp\~unins4775.bat "C:\Users\Admin\AppData\Local\Temp\3ed14e41859c151c8db0c9b6653d0c1e35f90cfc68ec1333f5a569292814b6a6.exe"
      2⤵
        PID:2216

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~unins4775.bat

      Filesize

      49B

      MD5

      9e0a2f5ab30517809b95a1ff1dd98c53

      SHA1

      5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

      SHA256

      97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

      SHA512

      e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

    • C:\Windows\SysWOW64\srchadmini.exe

      Filesize

      248KB

      MD5

      461e8bf5b6e8c2e5ccc3efd9ff75bfe9

      SHA1

      53cb4acd0b518bb0d2d039dca3744def27343d8a

      SHA256

      278359e8a598d6ff92bb0d3fc5e8e6f4c0621b9091ef79c742c59d86c6a451d4

      SHA512

      b40cd1fc4b9add9a30953ff5ccd4096a1a90fa11aadfb89219f78c5b4a91ea391e8747c747456037b8eb020ed973137269cb860e69152a998c299c90e567b72a

    • C:\Windows\SysWOW64\srchadmini.exe

      Filesize

      248KB

      MD5

      461e8bf5b6e8c2e5ccc3efd9ff75bfe9

      SHA1

      53cb4acd0b518bb0d2d039dca3744def27343d8a

      SHA256

      278359e8a598d6ff92bb0d3fc5e8e6f4c0621b9091ef79c742c59d86c6a451d4

      SHA512

      b40cd1fc4b9add9a30953ff5ccd4096a1a90fa11aadfb89219f78c5b4a91ea391e8747c747456037b8eb020ed973137269cb860e69152a998c299c90e567b72a

    • memory/2248-146-0x00000000745F0000-0x0000000074BA1000-memory.dmp

      Filesize

      5.7MB

    • memory/2248-149-0x00000000745F0000-0x0000000074BA1000-memory.dmp

      Filesize

      5.7MB

    • memory/3068-139-0x0000000002202000-0x000000000225C000-memory.dmp

      Filesize

      360KB

    • memory/3068-140-0x00000000021A1000-0x0000000002202000-memory.dmp

      Filesize

      388KB

    • memory/3068-138-0x00000000021A0000-0x000000000225D000-memory.dmp

      Filesize

      756KB

    • memory/3068-137-0x00000000021A0000-0x000000000225D000-memory.dmp

      Filesize

      756KB

    • memory/3068-135-0x0000000000980000-0x00000000009DA000-memory.dmp

      Filesize

      360KB

    • memory/3068-133-0x00000000021A0000-0x000000000225D000-memory.dmp

      Filesize

      756KB

    • memory/3068-132-0x0000000000570000-0x0000000000580000-memory.dmp

      Filesize

      64KB

    • memory/3068-147-0x0000000002202000-0x000000000225C000-memory.dmp

      Filesize

      360KB

    • memory/3068-148-0x00000000021A1000-0x0000000002202000-memory.dmp

      Filesize

      388KB

    • memory/3068-150-0x0000000002202000-0x000000000225C000-memory.dmp

      Filesize

      360KB