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Analysis

  • max time kernel
    44s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2022, 23:09

General

  • Target

    e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac.exe

  • Size

    41KB

  • MD5

    095be71db8bf27fc4db5e414ccc2ee31

  • SHA1

    7d101711ed050ee4fdbf8bb1f9504938e6a02aea

  • SHA256

    e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac

  • SHA512

    4c67200af2c8be6de962ae27680910a52bcdd356a9a6fcf9f6f646b6f848ff2e3f872de34150bb9f11fe98351d19768224eb6f2d51682098dc320a695c103066

  • SSDEEP

    768:QIBar1ZIZYnfI9opm6AIHIjaI7g9mVmUnioNE/W5dRV8:pW1ZIZqI9opm6AIHIjzmUzNzd

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac.exe
    "C:\Users\Admin\AppData\Local\Temp\e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1388
    • C:\Users\Admin\sxhost.exe
      "C:\Users\Admin\sxhost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:760
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c del C:\Users\Admin\sxhost.exe >> NUL
        3⤵
          PID:1768
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\E81CF1~1.EXE >> NUL
        2⤵
        • Deletes itself
        PID:1684

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\sxhost.exe

      Filesize

      41KB

      MD5

      095be71db8bf27fc4db5e414ccc2ee31

      SHA1

      7d101711ed050ee4fdbf8bb1f9504938e6a02aea

      SHA256

      e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac

      SHA512

      4c67200af2c8be6de962ae27680910a52bcdd356a9a6fcf9f6f646b6f848ff2e3f872de34150bb9f11fe98351d19768224eb6f2d51682098dc320a695c103066

    • C:\Users\Admin\sxhost.exe

      Filesize

      41KB

      MD5

      095be71db8bf27fc4db5e414ccc2ee31

      SHA1

      7d101711ed050ee4fdbf8bb1f9504938e6a02aea

      SHA256

      e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac

      SHA512

      4c67200af2c8be6de962ae27680910a52bcdd356a9a6fcf9f6f646b6f848ff2e3f872de34150bb9f11fe98351d19768224eb6f2d51682098dc320a695c103066

    • \Users\Admin\sxhost.exe

      Filesize

      41KB

      MD5

      095be71db8bf27fc4db5e414ccc2ee31

      SHA1

      7d101711ed050ee4fdbf8bb1f9504938e6a02aea

      SHA256

      e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac

      SHA512

      4c67200af2c8be6de962ae27680910a52bcdd356a9a6fcf9f6f646b6f848ff2e3f872de34150bb9f11fe98351d19768224eb6f2d51682098dc320a695c103066

    • \Users\Admin\sxhost.exe

      Filesize

      41KB

      MD5

      095be71db8bf27fc4db5e414ccc2ee31

      SHA1

      7d101711ed050ee4fdbf8bb1f9504938e6a02aea

      SHA256

      e81cf1b3b935df71dfb7d4b85ad00f9437d7201da6224201d3e42943bc5568ac

      SHA512

      4c67200af2c8be6de962ae27680910a52bcdd356a9a6fcf9f6f646b6f848ff2e3f872de34150bb9f11fe98351d19768224eb6f2d51682098dc320a695c103066

    • memory/760-63-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB

    • memory/760-65-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB

    • memory/1388-54-0x0000000075711000-0x0000000075713000-memory.dmp

      Filesize

      8KB

    • memory/1388-55-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB

    • memory/1388-62-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB