Analysis

  • max time kernel
    153s
  • max time network
    176s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2022 23:19

General

  • Target

    72ec9b054f476097bbdeb61b7508e2530169d76ba1f7df5a4e48c82fcd3e3eb5.exe

  • Size

    88KB

  • MD5

    1bb05c2b069230602d67c5b0f59207c0

  • SHA1

    e1e3a8582dee321737a0b8ee891816926f7e279d

  • SHA256

    72ec9b054f476097bbdeb61b7508e2530169d76ba1f7df5a4e48c82fcd3e3eb5

  • SHA512

    c1e383d9ca08da12d6a63575f3285e3b21d2032d1a242efdf533737f0e4f3af620b4b6bb722f3d8936b40285ebef64b602004d16bb56c823cc5ca5e79a8e0310

  • SSDEEP

    1536:F99rUWXF3+0wAr+KvpBirLUGLkKcB+YcLvgrswc:n9/jplji0mkKcB+YcLvyc

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 26 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

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

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72ec9b054f476097bbdeb61b7508e2530169d76ba1f7df5a4e48c82fcd3e3eb5.exe
    "C:\Users\Admin\AppData\Local\Temp\72ec9b054f476097bbdeb61b7508e2530169d76ba1f7df5a4e48c82fcd3e3eb5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Users\Admin\AppData\Local\Temp\72ec9b054f476097bbdeb61b7508e2530169d76ba1f7df5a4e48c82fcd3e3eb5.exe
      71
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Loads dropped DLL
      • Adds Run key to start application
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1736
      • C:\Users\Admin\doeig.exe
        "C:\Users\Admin\doeig.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:592
        • C:\Users\Admin\doeig.exe
          71
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Maps connected drives based on registry
          • Drops autorun.inf file
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:1448

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\doeig.exe

    Filesize

    88KB

    MD5

    1bb05c2b069230602d67c5b0f59207c0

    SHA1

    e1e3a8582dee321737a0b8ee891816926f7e279d

    SHA256

    72ec9b054f476097bbdeb61b7508e2530169d76ba1f7df5a4e48c82fcd3e3eb5

    SHA512

    c1e383d9ca08da12d6a63575f3285e3b21d2032d1a242efdf533737f0e4f3af620b4b6bb722f3d8936b40285ebef64b602004d16bb56c823cc5ca5e79a8e0310

  • C:\Users\Admin\doeig.exe

    Filesize

    88KB

    MD5

    1bb05c2b069230602d67c5b0f59207c0

    SHA1

    e1e3a8582dee321737a0b8ee891816926f7e279d

    SHA256

    72ec9b054f476097bbdeb61b7508e2530169d76ba1f7df5a4e48c82fcd3e3eb5

    SHA512

    c1e383d9ca08da12d6a63575f3285e3b21d2032d1a242efdf533737f0e4f3af620b4b6bb722f3d8936b40285ebef64b602004d16bb56c823cc5ca5e79a8e0310

  • C:\Users\Admin\doeig.exe

    Filesize

    88KB

    MD5

    1bb05c2b069230602d67c5b0f59207c0

    SHA1

    e1e3a8582dee321737a0b8ee891816926f7e279d

    SHA256

    72ec9b054f476097bbdeb61b7508e2530169d76ba1f7df5a4e48c82fcd3e3eb5

    SHA512

    c1e383d9ca08da12d6a63575f3285e3b21d2032d1a242efdf533737f0e4f3af620b4b6bb722f3d8936b40285ebef64b602004d16bb56c823cc5ca5e79a8e0310

  • \Users\Admin\doeig.exe

    Filesize

    88KB

    MD5

    1bb05c2b069230602d67c5b0f59207c0

    SHA1

    e1e3a8582dee321737a0b8ee891816926f7e279d

    SHA256

    72ec9b054f476097bbdeb61b7508e2530169d76ba1f7df5a4e48c82fcd3e3eb5

    SHA512

    c1e383d9ca08da12d6a63575f3285e3b21d2032d1a242efdf533737f0e4f3af620b4b6bb722f3d8936b40285ebef64b602004d16bb56c823cc5ca5e79a8e0310

  • \Users\Admin\doeig.exe

    Filesize

    88KB

    MD5

    1bb05c2b069230602d67c5b0f59207c0

    SHA1

    e1e3a8582dee321737a0b8ee891816926f7e279d

    SHA256

    72ec9b054f476097bbdeb61b7508e2530169d76ba1f7df5a4e48c82fcd3e3eb5

    SHA512

    c1e383d9ca08da12d6a63575f3285e3b21d2032d1a242efdf533737f0e4f3af620b4b6bb722f3d8936b40285ebef64b602004d16bb56c823cc5ca5e79a8e0310

  • memory/592-67-0x0000000000000000-mapping.dmp

  • memory/1448-73-0x00000000004010E0-mapping.dmp

  • memory/1448-79-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1448-81-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1736-63-0x00000000760B1000-0x00000000760B3000-memory.dmp

    Filesize

    8KB

  • memory/1736-64-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1736-56-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1736-62-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1736-59-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1736-57-0x00000000004010E0-mapping.dmp