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Analysis

  • max time kernel
    202s
  • max time network
    208s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2022, 21:38

General

  • Target

    46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf.exe

  • Size

    66KB

  • MD5

    212ed115e3880dd24329894e9829547b

  • SHA1

    4292ff2b2ca05e4ede32d7bf0c8e2497767a75f1

  • SHA256

    46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf

  • SHA512

    9eb27989a2ff53a756cfde2b39e18c14a49837867e6a5bf89bb0ac8822908c9501de49b8a04a334c4a9e35f9a5bba9567d316821782d37edae9f9a54bcf61104

  • SSDEEP

    1536:HsrTImGCxTil5vaKtfUHl1jeeeeeeMeeeeeeWLU:HsnT9R

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf.exe
    "C:\Users\Admin\AppData\Local\Temp\46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf.exe"
    1⤵
    • Modifies firewall policy service
    • Checks computer location settings
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2496
    • C:\Users\Admin\6438640620394286720310355\winsvc.exe
      "C:\Users\Admin\6438640620394286720310355\winsvc.exe"
      2⤵
      • Executes dropped EXE
      PID:4668

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\6438640620394286720310355\winsvc.exe

    Filesize

    66KB

    MD5

    212ed115e3880dd24329894e9829547b

    SHA1

    4292ff2b2ca05e4ede32d7bf0c8e2497767a75f1

    SHA256

    46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf

    SHA512

    9eb27989a2ff53a756cfde2b39e18c14a49837867e6a5bf89bb0ac8822908c9501de49b8a04a334c4a9e35f9a5bba9567d316821782d37edae9f9a54bcf61104

  • C:\Users\Admin\6438640620394286720310355\winsvc.exe

    Filesize

    66KB

    MD5

    212ed115e3880dd24329894e9829547b

    SHA1

    4292ff2b2ca05e4ede32d7bf0c8e2497767a75f1

    SHA256

    46a851ae68e39c0418126f16e30ff40e5a39375ef0acec8c9730287dfed440cf

    SHA512

    9eb27989a2ff53a756cfde2b39e18c14a49837867e6a5bf89bb0ac8822908c9501de49b8a04a334c4a9e35f9a5bba9567d316821782d37edae9f9a54bcf61104

  • memory/2496-132-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/2496-133-0x00000000005B0000-0x00000000005C6000-memory.dmp

    Filesize

    88KB

  • memory/2496-134-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/4668-138-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/4668-139-0x0000000000490000-0x00000000004A6000-memory.dmp

    Filesize

    88KB

  • memory/4668-140-0x0000000000490000-0x00000000004A6000-memory.dmp

    Filesize

    88KB