Analysis

  • max time kernel
    146s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 05:11

General

  • Target

    8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe

  • Size

    246KB

  • MD5

    e49674d4e8d40e42a9ce4a80f5435718

  • SHA1

    c32153d203baa003b8bb824fc254b27b48eaffa5

  • SHA256

    8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32

  • SHA512

    4c9afb978696717600e7354ccc7e0f1501c8882fc674203f6897f2abd364721b3f79aac46dc987cb06f9ebefa434106c0c2d1162446ea241ee1d3b38d4ee3b3d

  • SSDEEP

    3072:x9DN6r8pitRYykcpxDXCf3KUdWwsZYibnqihXnz1/coipCRVEQpsvIXEd/9Ox16:tTEfTrZUdWws57qiZZBmyE7Ox16

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • UPX packed file 10 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe
    "C:\Users\Admin\AppData\Local\Temp\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Users\Admin\AppData\Local\Temp\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe
      "C:\Users\Admin\AppData\Local\Temp\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:900
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\ProgramData\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.bat" "
        3⤵
        • Deletes itself
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2028
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 1 localhost
          4⤵
          • Runs ping.exe
          PID:580
        • C:\ProgramData\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe
          "C:\ProgramData\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1276
          • C:\ProgramData\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe
            "C:\ProgramData\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe"
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            PID:1324

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.bat

    Filesize

    451B

    MD5

    1223bac65e188891452c28655e19008b

    SHA1

    40476ed6258b8878a31e3546b934d102025fefa1

    SHA256

    2bfff1888ab8bc65592e9c2cb74108bc3aafe022e1fa1a3d00a552209d4408ca

    SHA512

    e374ebfb5422b2827ce71dc3b65e8ca82add0662fda036710aedf39c36ee9377880b58e28c038f61f4ad867469d89626b3b696fadd1f49471fd0a1e0d5b65f76

  • C:\ProgramData\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe

    Filesize

    246KB

    MD5

    e49674d4e8d40e42a9ce4a80f5435718

    SHA1

    c32153d203baa003b8bb824fc254b27b48eaffa5

    SHA256

    8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32

    SHA512

    4c9afb978696717600e7354ccc7e0f1501c8882fc674203f6897f2abd364721b3f79aac46dc987cb06f9ebefa434106c0c2d1162446ea241ee1d3b38d4ee3b3d

  • C:\ProgramData\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe

    Filesize

    246KB

    MD5

    e49674d4e8d40e42a9ce4a80f5435718

    SHA1

    c32153d203baa003b8bb824fc254b27b48eaffa5

    SHA256

    8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32

    SHA512

    4c9afb978696717600e7354ccc7e0f1501c8882fc674203f6897f2abd364721b3f79aac46dc987cb06f9ebefa434106c0c2d1162446ea241ee1d3b38d4ee3b3d

  • C:\ProgramData\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe

    Filesize

    246KB

    MD5

    e49674d4e8d40e42a9ce4a80f5435718

    SHA1

    c32153d203baa003b8bb824fc254b27b48eaffa5

    SHA256

    8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32

    SHA512

    4c9afb978696717600e7354ccc7e0f1501c8882fc674203f6897f2abd364721b3f79aac46dc987cb06f9ebefa434106c0c2d1162446ea241ee1d3b38d4ee3b3d

  • \ProgramData\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe

    Filesize

    246KB

    MD5

    e49674d4e8d40e42a9ce4a80f5435718

    SHA1

    c32153d203baa003b8bb824fc254b27b48eaffa5

    SHA256

    8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32

    SHA512

    4c9afb978696717600e7354ccc7e0f1501c8882fc674203f6897f2abd364721b3f79aac46dc987cb06f9ebefa434106c0c2d1162446ea241ee1d3b38d4ee3b3d

  • \ProgramData\8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32.exe

    Filesize

    246KB

    MD5

    e49674d4e8d40e42a9ce4a80f5435718

    SHA1

    c32153d203baa003b8bb824fc254b27b48eaffa5

    SHA256

    8f256b9b3807fd53c905636d61c276872d3703bb53675b437bead4178554db32

    SHA512

    4c9afb978696717600e7354ccc7e0f1501c8882fc674203f6897f2abd364721b3f79aac46dc987cb06f9ebefa434106c0c2d1162446ea241ee1d3b38d4ee3b3d

  • memory/580-68-0x0000000000000000-mapping.dmp

  • memory/900-58-0x00000000004500B0-mapping.dmp

  • memory/900-66-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/900-64-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/900-57-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/900-63-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/900-62-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/900-61-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1276-72-0x0000000000000000-mapping.dmp

  • memory/1324-78-0x00000000004500B0-mapping.dmp

  • memory/1324-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1324-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1324-84-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1324-85-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2024-54-0x00000000766D1000-0x00000000766D3000-memory.dmp

    Filesize

    8KB

  • memory/2028-65-0x0000000000000000-mapping.dmp