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Analysis

  • max time kernel
    41s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    04/12/2022, 09:38

General

  • Target

    b70d5e3628500c846da1b26374ca5735dddac2c8334283d11ebf6879ed84cd65.exe

  • Size

    48KB

  • MD5

    8ede442ad4c3b82deb74a4713a141e50

  • SHA1

    47e43c69b238b175f39c01f119c4b4b1f11d69a5

  • SHA256

    b70d5e3628500c846da1b26374ca5735dddac2c8334283d11ebf6879ed84cd65

  • SHA512

    c3fb68c5a5dc593e7ec33cd8f8776eddac094779c64a7cc697b1b1accbde57d10ad23061a71cdf1cf3dc2a1c5e0d3d11022496bef0ca984f8a2f0040df713a13

  • SSDEEP

    768:T8mYzyN7c9SKiGsU8fKKVuJvSZlNyHg95fppiovz/HC8kEW3DmMb8D:GGN7c9SKiGN8fzrlNyHm5P/Hoc

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b70d5e3628500c846da1b26374ca5735dddac2c8334283d11ebf6879ed84cd65.exe
    "C:\Users\Admin\AppData\Local\Temp\b70d5e3628500c846da1b26374ca5735dddac2c8334283d11ebf6879ed84cd65.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\B70D5E~1.EXE > nul
      2⤵
      • Deletes itself
      PID:568
  • C:\Windows\SysWOW64\kemuas.exe
    C:\Windows\SysWOW64\kemuas.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:292
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
        PID:1128

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\kemuas.exe

      Filesize

      48KB

      MD5

      8ede442ad4c3b82deb74a4713a141e50

      SHA1

      47e43c69b238b175f39c01f119c4b4b1f11d69a5

      SHA256

      b70d5e3628500c846da1b26374ca5735dddac2c8334283d11ebf6879ed84cd65

      SHA512

      c3fb68c5a5dc593e7ec33cd8f8776eddac094779c64a7cc697b1b1accbde57d10ad23061a71cdf1cf3dc2a1c5e0d3d11022496bef0ca984f8a2f0040df713a13

    • C:\Windows\SysWOW64\kemuas.exe

      Filesize

      48KB

      MD5

      8ede442ad4c3b82deb74a4713a141e50

      SHA1

      47e43c69b238b175f39c01f119c4b4b1f11d69a5

      SHA256

      b70d5e3628500c846da1b26374ca5735dddac2c8334283d11ebf6879ed84cd65

      SHA512

      c3fb68c5a5dc593e7ec33cd8f8776eddac094779c64a7cc697b1b1accbde57d10ad23061a71cdf1cf3dc2a1c5e0d3d11022496bef0ca984f8a2f0040df713a13

    • memory/1128-60-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/1128-58-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/2036-54-0x0000000076941000-0x0000000076943000-memory.dmp

      Filesize

      8KB