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Analysis

  • max time kernel
    91s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/10/2022, 23:12

General

  • Target

    71420509f8d93c2c81b45ac63da2e4a4812627831ea8f3aa9a666c08b839e7ec.exe

  • Size

    310KB

  • MD5

    5a20a059671515fd536a9e86d227dd90

  • SHA1

    8391b4122102d015d0c4adb14f94a6f6f7e6056a

  • SHA256

    71420509f8d93c2c81b45ac63da2e4a4812627831ea8f3aa9a666c08b839e7ec

  • SHA512

    2462cb0b9c1d8cfb89c0db9deb840adacbd47b444cb6bdc893e8a09e57ed4855da5d396f277e3da22b2be3e0bd1106e65037558e9d0c3ef7f856a9bd1e3daf3c

  • SSDEEP

    6144:nhjR9isD3WWDXQKaw/Pe/S7Bjjq79aSACMrdU3XfAWngrTw9vYHfQP7IuoST1pcb:7WWzzfSS7RjIARpEAWngrGMQDfoST1e

Score
8/10

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\71420509f8d93c2c81b45ac63da2e4a4812627831ea8f3aa9a666c08b839e7ec.exe
    "C:\Users\Admin\AppData\Local\Temp\71420509f8d93c2c81b45ac63da2e4a4812627831ea8f3aa9a666c08b839e7ec.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4788
    • C:\Users\Admin\AppData\Local\Temp\71420509f8d93c2c81b45ac63da2e4a4812627831ea8f3aa9a666c08b839e7ec.exe
      "C:\Users\Admin\AppData\Local\Temp\71420509f8d93c2c81b45ac63da2e4a4812627831ea8f3aa9a666c08b839e7ec.exe"
      2⤵
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3980
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Adds policy Run key to start application
        PID:5072

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3980-134-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB

  • memory/3980-136-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB

  • memory/3980-137-0x0000000000A70000-0x0000000001A70000-memory.dmp

    Filesize

    16.0MB

  • memory/3980-139-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB

  • memory/4788-132-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/4788-135-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/5072-140-0x0000000000A30000-0x0000000000A41000-memory.dmp

    Filesize

    68KB

  • memory/5072-141-0x0000000000BA0000-0x0000000000BAD000-memory.dmp

    Filesize

    52KB