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Analysis

  • max time kernel
    142s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2023, 17:57

General

  • Target

    2ec7cb891a4d2ad85fbf43e19298f7103c427e7244a4909b72d8c7ff65ac3193.exe

  • Size

    199KB

  • MD5

    60589adec8738cc714cf8a6fb2917152

  • SHA1

    20bd11d82c6ad9862e3f3240741f842123617209

  • SHA256

    2ec7cb891a4d2ad85fbf43e19298f7103c427e7244a4909b72d8c7ff65ac3193

  • SHA512

    5e9a8c06be800ee964e4a8cc0a844ee857b2029e2cb39566c397b72e27f0e8f3f95d403f57584213f25c05c9da8de9ce00e9186f907e7065752cedd76a1a4750

  • SSDEEP

    6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOl:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXX0

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2ec7cb891a4d2ad85fbf43e19298f7103c427e7244a4909b72d8c7ff65ac3193.exe
    "C:\Users\Admin\AppData\Local\Temp\2ec7cb891a4d2ad85fbf43e19298f7103c427e7244a4909b72d8c7ff65ac3193.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2984
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\2EC7CB~1.EXE > nul
      2⤵
      • Deletes itself
      PID:2900
  • C:\Windows\Debug\zskhost.exe
    C:\Windows\Debug\zskhost.exe
    1⤵
    • Executes dropped EXE
    • Checks processor information in registry
    PID:2088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\debug\zskhost.exe

    Filesize

    199KB

    MD5

    51d36698ed0c937a1f5737f35cb2e07c

    SHA1

    7707f719c8e7b75ac1f18de538baaccba505b51b

    SHA256

    5c3095a1164584ebefcd33dc28f9c707f8ec60093449cdaba80d4264bf5d2314

    SHA512

    2edec8697430313f5ace6e85162d0098b0d1b1ca748c1ab6dc375ceeff61e5acacd93ff155d3404c8b36ca229e2103d89d184f61455e29849c5d72fcf17a7d5e