Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-09-2024 22:33

General

  • Target

    55b78c947cfe5364c1af28c90343a070N.exe

  • Size

    282KB

  • MD5

    55b78c947cfe5364c1af28c90343a070

  • SHA1

    2e287abf7dd0a7f2d9aba8bf9045eaa6081ad01a

  • SHA256

    ce63f32e218780e78c1c6809c7f47b9105edd5980450d61881ea14311b5511d5

  • SHA512

    ab670c08519173fdb1bd03852bba127f9302e945a69769a6dbf4c3a0f98378cf437ffc3a10b09093780c18c142444a9d8aefab3de69c7d90e0e21fba4dbc645d

  • SSDEEP

    6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkfI:boSeGUA5YZazpXUmZhZ6S5

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\55b78c947cfe5364c1af28c90343a070N.exe
    "C:\Users\Admin\AppData\Local\Temp\55b78c947cfe5364c1af28c90343a070N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1104
    • 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:2324
      • C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
        "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
        3⤵
          PID:4028

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      282KB

      MD5

      d77f670150dbb85a61ecc67818f56b6e

      SHA1

      000f5a8f26ec65fd5ef10afbd725b0c8b7e6eaa1

      SHA256

      3c490eaf0b41c4a0a61058d75a3bc3c9c61b96409032c5d242ece62c98e630ba

      SHA512

      0ca9b5ec060e6c18b139a686a3dae51bcd8fca99bbee52b6e8f059374e6a15d6ec2b39b02b168a82f39e7e5402dc847795e7f924d1ad164e3979e7097c7070d1

    • memory/1104-4-0x00000000755E2000-0x00000000755E3000-memory.dmp

      Filesize

      4KB

    • memory/1104-7-0x00000000755E0000-0x0000000075B91000-memory.dmp

      Filesize

      5.7MB

    • memory/1104-3-0x00000000755E0000-0x0000000075B91000-memory.dmp

      Filesize

      5.7MB

    • memory/1104-0-0x00000000755E2000-0x00000000755E3000-memory.dmp

      Filesize

      4KB

    • memory/1104-21-0x00000000755E0000-0x0000000075B91000-memory.dmp

      Filesize

      5.7MB

    • memory/1104-6-0x00000000755E0000-0x0000000075B91000-memory.dmp

      Filesize

      5.7MB

    • memory/1104-2-0x00000000755E0000-0x0000000075B91000-memory.dmp

      Filesize

      5.7MB

    • memory/1104-1-0x00000000755E0000-0x0000000075B91000-memory.dmp

      Filesize

      5.7MB

    • memory/1104-5-0x00000000755E0000-0x0000000075B91000-memory.dmp

      Filesize

      5.7MB

    • memory/2324-22-0x00000000755E0000-0x0000000075B91000-memory.dmp

      Filesize

      5.7MB

    • memory/2324-24-0x00000000755E0000-0x0000000075B91000-memory.dmp

      Filesize

      5.7MB

    • memory/2324-23-0x00000000755E0000-0x0000000075B91000-memory.dmp

      Filesize

      5.7MB

    • memory/2324-25-0x00000000755E0000-0x0000000075B91000-memory.dmp

      Filesize

      5.7MB

    • memory/2324-26-0x00000000755E0000-0x0000000075B91000-memory.dmp

      Filesize

      5.7MB

    • memory/2324-27-0x00000000755E0000-0x0000000075B91000-memory.dmp

      Filesize

      5.7MB

    • memory/2324-29-0x00000000755E0000-0x0000000075B91000-memory.dmp

      Filesize

      5.7MB