Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-11-2024 01:01

General

  • Target

    8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.exe

  • Size

    255KB

  • MD5

    99818b30fad7b1cf91e8a7ffb6417630

  • SHA1

    cd3a1c3d3c0233d023c8b3f0a6c04b7f0271c6ba

  • SHA256

    8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339

  • SHA512

    94ee4039ee97cdba52809556d17f2ec6b0facd1f51082f797b7522348b98520479cbb3c196da5944cbb42b0a8960ff7be66b4ef1724112a2e782203d2b54c873

  • SSDEEP

    6144:85p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ+r:EeGUA5YZazpXUmZhlr

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.exe
    "C:\Users\Admin\AppData\Local\Temp\8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1364
    • C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
      "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2928
      • C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
        "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
        3⤵
          PID:1500

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe

      Filesize

      255KB

      MD5

      a63ca49a0aa4d85250d56441405f32fa

      SHA1

      3c0c4c8a6f35323065c4abc0b2f784cdfd40e2ff

      SHA256

      6f3495d70776c5a637f79740eafd8438aaffccd6bc55b5134290a922bb9a12b2

      SHA512

      af5ad255dc35b6b0a1a3e883c8e28a764e15f27bb685b670458051fe5d02be61e7e0575dd80ecb4e063d815ba4ba113f8fce74c160f74360f6d5cc1c99eb21c9

    • memory/1364-4-0x0000000074952000-0x0000000074953000-memory.dmp

      Filesize

      4KB

    • memory/1364-7-0x0000000074950000-0x0000000074F01000-memory.dmp

      Filesize

      5.7MB

    • memory/1364-3-0x0000000074950000-0x0000000074F01000-memory.dmp

      Filesize

      5.7MB

    • memory/1364-0-0x0000000074952000-0x0000000074953000-memory.dmp

      Filesize

      4KB

    • memory/1364-21-0x0000000074950000-0x0000000074F01000-memory.dmp

      Filesize

      5.7MB

    • memory/1364-6-0x0000000074950000-0x0000000074F01000-memory.dmp

      Filesize

      5.7MB

    • memory/1364-2-0x0000000074950000-0x0000000074F01000-memory.dmp

      Filesize

      5.7MB

    • memory/1364-1-0x0000000074950000-0x0000000074F01000-memory.dmp

      Filesize

      5.7MB

    • memory/1364-5-0x0000000074950000-0x0000000074F01000-memory.dmp

      Filesize

      5.7MB

    • memory/2928-23-0x0000000074950000-0x0000000074F01000-memory.dmp

      Filesize

      5.7MB

    • memory/2928-22-0x0000000074950000-0x0000000074F01000-memory.dmp

      Filesize

      5.7MB

    • memory/2928-24-0x0000000074950000-0x0000000074F01000-memory.dmp

      Filesize

      5.7MB

    • memory/2928-25-0x0000000074950000-0x0000000074F01000-memory.dmp

      Filesize

      5.7MB

    • memory/2928-26-0x0000000074950000-0x0000000074F01000-memory.dmp

      Filesize

      5.7MB

    • memory/2928-27-0x0000000074950000-0x0000000074F01000-memory.dmp

      Filesize

      5.7MB

    • memory/2928-29-0x0000000074950000-0x0000000074F01000-memory.dmp

      Filesize

      5.7MB