Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2022 18:10

General

  • Target

    b0209f837700096c46b733f65e3dd66d2903cd362fbd6a1273431ed9be874b01.exe

  • Size

    43KB

  • MD5

    825aec8fe0b56ed52d928456343ac6ee

  • SHA1

    5519c9bc3ee0626dca8b31c28d80316b26d9561e

  • SHA256

    b0209f837700096c46b733f65e3dd66d2903cd362fbd6a1273431ed9be874b01

  • SHA512

    d4c78d15250ca2605638d98fd0975d7da04a3b4b38aaf8fd864153447ef3f9d8cd7fe08eed4972c2c38aecc61c5be8a3d07a83dede3dc8506fea91ddea480d78

  • SSDEEP

    768:HiHDZ8y9MHHSqSwfSre9WTZ2S1581N6HUjHPSqvtK1o7Mr1PTEN5a38HCCjPkaf6:IaWE5o81W1bEDHCCrk

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0209f837700096c46b733f65e3dd66d2903cd362fbd6a1273431ed9be874b01.exe
    "C:\Users\Admin\AppData\Local\Temp\b0209f837700096c46b733f65e3dd66d2903cd362fbd6a1273431ed9be874b01.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:5068
    • C:\Users\Admin\AppData\Local\Temp\windows.exe
      "C:\Users\Admin\AppData\Local\Temp\windows.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2308
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\windows.exe" "windows.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:5092

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\windows.exe

    Filesize

    43KB

    MD5

    825aec8fe0b56ed52d928456343ac6ee

    SHA1

    5519c9bc3ee0626dca8b31c28d80316b26d9561e

    SHA256

    b0209f837700096c46b733f65e3dd66d2903cd362fbd6a1273431ed9be874b01

    SHA512

    d4c78d15250ca2605638d98fd0975d7da04a3b4b38aaf8fd864153447ef3f9d8cd7fe08eed4972c2c38aecc61c5be8a3d07a83dede3dc8506fea91ddea480d78

  • C:\Users\Admin\AppData\Local\Temp\windows.exe

    Filesize

    43KB

    MD5

    825aec8fe0b56ed52d928456343ac6ee

    SHA1

    5519c9bc3ee0626dca8b31c28d80316b26d9561e

    SHA256

    b0209f837700096c46b733f65e3dd66d2903cd362fbd6a1273431ed9be874b01

    SHA512

    d4c78d15250ca2605638d98fd0975d7da04a3b4b38aaf8fd864153447ef3f9d8cd7fe08eed4972c2c38aecc61c5be8a3d07a83dede3dc8506fea91ddea480d78

  • memory/2308-133-0x0000000000000000-mapping.dmp

  • memory/2308-137-0x0000000074AC0000-0x0000000075071000-memory.dmp

    Filesize

    5.7MB

  • memory/2308-139-0x0000000074AC0000-0x0000000075071000-memory.dmp

    Filesize

    5.7MB

  • memory/5068-132-0x0000000074AC0000-0x0000000075071000-memory.dmp

    Filesize

    5.7MB

  • memory/5068-138-0x0000000074AC0000-0x0000000075071000-memory.dmp

    Filesize

    5.7MB

  • memory/5092-136-0x0000000000000000-mapping.dmp