Analysis

  • max time kernel
    141s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/10/2023, 01:32

General

  • Target

    369026ec14c5b36a4a4dc24088cb66c2c069f877dc9490879b86d56de7186751.exe

  • Size

    193KB

  • MD5

    fcc53520b179ba8f21b9607573012bc6

  • SHA1

    c0bd006d5e8632b8f810de4502e48726e0d2c029

  • SHA256

    369026ec14c5b36a4a4dc24088cb66c2c069f877dc9490879b86d56de7186751

  • SHA512

    6d0c707890dd514a5113b55ef5e0ad77b37f0e8819985957f327ed82c28766c91e879aedd0187eb21662761c02a569e7e0386e5ad87498b04036b01942faf56f

  • SSDEEP

    6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCO9:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXc

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\369026ec14c5b36a4a4dc24088cb66c2c069f877dc9490879b86d56de7186751.exe
    "C:\Users\Admin\AppData\Local\Temp\369026ec14c5b36a4a4dc24088cb66c2c069f877dc9490879b86d56de7186751.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2352
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\369026~1.EXE > nul
      2⤵
        PID:1616
    • C:\Windows\Debug\buchost.exe
      C:\Windows\Debug\buchost.exe
      1⤵
      • Executes dropped EXE
      • Checks processor information in registry
      PID:2604

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\Debug\buchost.exe

      Filesize

      193KB

      MD5

      fae5900d3c03ae504b53c0efec4fde1f

      SHA1

      2b1ac13d9e6ec1e5c53a25216ed59e46fc4233ba

      SHA256

      f12bb08042f36cda5fabebccdb1e89535c4d20643bbbbf368a02dc288a0a8a1f

      SHA512

      bcf6fc083d36e7b8ae378614b7a91b5cf768c245a2f3a96876806dc8f83a0a2d4067ffc42cedc88b2e82b1d35ad0676da4390a9a0528a8460cb407ba934e10f4

    • C:\Windows\debug\buchost.exe

      Filesize

      193KB

      MD5

      fae5900d3c03ae504b53c0efec4fde1f

      SHA1

      2b1ac13d9e6ec1e5c53a25216ed59e46fc4233ba

      SHA256

      f12bb08042f36cda5fabebccdb1e89535c4d20643bbbbf368a02dc288a0a8a1f

      SHA512

      bcf6fc083d36e7b8ae378614b7a91b5cf768c245a2f3a96876806dc8f83a0a2d4067ffc42cedc88b2e82b1d35ad0676da4390a9a0528a8460cb407ba934e10f4