Analysis

  • max time kernel
    134s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-11-2024 03:26

General

  • Target

    b933bb07becfba01ab22534448e25ca7a7e6e9092dcb941d1b043eed667fbf31.exe

  • Size

    254KB

  • MD5

    9ebc6b75390c63799ca45bdceccb1e44

  • SHA1

    6a7fefdfb98c9e5ef12cf157fb6c18911e990b45

  • SHA256

    b933bb07becfba01ab22534448e25ca7a7e6e9092dcb941d1b043eed667fbf31

  • SHA512

    6b6888211f99165a65f082acbd94c1c75de78e90ffbbad6ceb4ddde6577c742fd4b3addd21203bc26108c92fe30e0c189f1fd9d85fa34656641fe7803fcaa2cf

  • SSDEEP

    6144:85p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQNE:EeGUA5YZazpXUmZhqE

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\b933bb07becfba01ab22534448e25ca7a7e6e9092dcb941d1b043eed667fbf31.exe
    "C:\Users\Admin\AppData\Local\Temp\b933bb07becfba01ab22534448e25ca7a7e6e9092dcb941d1b043eed667fbf31.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5052
    • 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:3012
      • C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
        "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
        3⤵
          PID:3116

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      254KB

      MD5

      b55bd74afd96368d38005d5a10524023

      SHA1

      65d394eb35e7af1cb44bc0ff47b4b3a9ca2d9e46

      SHA256

      45c82d0d813aebb7c3256566ab35ca3c9a70ca988ea40a5731f1db86f3b16bf1

      SHA512

      4eb51510a3663a23da023813ed43225edfb371c2f1469b080d038176545eb7cc29c1c05653e28ef941a4f7bff2c5f838980a9e11dc978c12a944932fd1bd2cf7

    • memory/3012-29-0x0000000074C50000-0x0000000075201000-memory.dmp

      Filesize

      5.7MB

    • memory/3012-27-0x0000000074C50000-0x0000000075201000-memory.dmp

      Filesize

      5.7MB

    • memory/3012-26-0x0000000074C50000-0x0000000075201000-memory.dmp

      Filesize

      5.7MB

    • memory/3012-25-0x0000000074C50000-0x0000000075201000-memory.dmp

      Filesize

      5.7MB

    • memory/3012-24-0x0000000074C50000-0x0000000075201000-memory.dmp

      Filesize

      5.7MB

    • memory/3012-23-0x0000000074C50000-0x0000000075201000-memory.dmp

      Filesize

      5.7MB

    • memory/3012-22-0x0000000074C50000-0x0000000075201000-memory.dmp

      Filesize

      5.7MB

    • memory/5052-4-0x0000000074C52000-0x0000000074C53000-memory.dmp

      Filesize

      4KB

    • memory/5052-7-0x0000000074C50000-0x0000000075201000-memory.dmp

      Filesize

      5.7MB

    • memory/5052-6-0x0000000074C50000-0x0000000075201000-memory.dmp

      Filesize

      5.7MB

    • memory/5052-5-0x0000000074C50000-0x0000000075201000-memory.dmp

      Filesize

      5.7MB

    • memory/5052-21-0x0000000074C50000-0x0000000075201000-memory.dmp

      Filesize

      5.7MB

    • memory/5052-0-0x0000000074C52000-0x0000000074C53000-memory.dmp

      Filesize

      4KB

    • memory/5052-3-0x0000000074C50000-0x0000000075201000-memory.dmp

      Filesize

      5.7MB

    • memory/5052-2-0x0000000074C50000-0x0000000075201000-memory.dmp

      Filesize

      5.7MB

    • memory/5052-1-0x0000000074C50000-0x0000000075201000-memory.dmp

      Filesize

      5.7MB