Analysis

  • max time kernel
    175s
  • max time network
    196s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2022, 01:50

General

  • Target

    ad7e2550eaa4919cf66e77a1597eb78966956c7cd12850c316c848acd61c6201.exe

  • Size

    500KB

  • MD5

    09091969be7923123ad772cb78754951

  • SHA1

    9433692e8887af8140f06725f876bb4374507190

  • SHA256

    ad7e2550eaa4919cf66e77a1597eb78966956c7cd12850c316c848acd61c6201

  • SHA512

    d72b1b0bade040e866f2f80f6f032f8c1cdc0ebf7bf0b2b35ba2ae1b637813c80f87cb0328cbc05ed1aad706c38f8d2763cb9f524a1dd8b5246c3458357449a0

  • SSDEEP

    6144:wekcI4dnpjD9lTCJCEQ7JjPCMcTdz5CZj0zmo20eeCQ3+e6AuY+fnG9P94FKxuRi:wekKttqJb3muTCP/G/xuGIha

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ad7e2550eaa4919cf66e77a1597eb78966956c7cd12850c316c848acd61c6201.exe
    "C:\Users\Admin\AppData\Local\Temp\ad7e2550eaa4919cf66e77a1597eb78966956c7cd12850c316c848acd61c6201.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:364
    • C:\Users\Admin\AppData\Local\Temp\n1631\s1631.exe
      "C:\Users\Admin\AppData\Local\Temp\n1631\s1631.exe" ins.exe /h af133.api.socdn.com /t 53a1b5f8561ca357228b4b10 /e 12909195 /u c2b30e9f-da98-11e3-8a58-80c16e6f498c /v "C:\Users\Admin\AppData\Local\Temp\ad7e2550eaa4919cf66e77a1597eb78966956c7cd12850c316c848acd61c6201.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4420

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1631\s1631.exe

    Filesize

    286KB

    MD5

    3e3ab97a3be5f358ef2410034ca1d11e

    SHA1

    132b2d344871a59eea8cd45dcb289f880754de0a

    SHA256

    9343341db998236ead9f7bc0847747fb92cc90cc4709e7b6ff4c2ff6809dd1bb

    SHA512

    31cae25593341fe970dce4532449af639fb4b05a91591c1a22a8be52e2d9937439ef2a73e87cc49e636d24d3c5986a5d1954e9736046da4adbb7ac9857d9e48d

  • C:\Users\Admin\AppData\Local\Temp\n1631\s1631.exe

    Filesize

    286KB

    MD5

    3e3ab97a3be5f358ef2410034ca1d11e

    SHA1

    132b2d344871a59eea8cd45dcb289f880754de0a

    SHA256

    9343341db998236ead9f7bc0847747fb92cc90cc4709e7b6ff4c2ff6809dd1bb

    SHA512

    31cae25593341fe970dce4532449af639fb4b05a91591c1a22a8be52e2d9937439ef2a73e87cc49e636d24d3c5986a5d1954e9736046da4adbb7ac9857d9e48d

  • memory/4420-135-0x000000001BB10000-0x000000001C546000-memory.dmp

    Filesize

    10.2MB

  • memory/4420-136-0x0000000000420000-0x0000000000430000-memory.dmp

    Filesize

    64KB