Overview

overview

7

Static

static

3

2024-05-22...re.exe

windows7-x64

7

2024-05-22...re.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/05/2024, 12:04

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General

  • Target

    2024-05-22_a0dd16c55284b0d79ffd923b798bb300_bkransomware.exe

  • Size

    5.1MB

  • MD5

    a0dd16c55284b0d79ffd923b798bb300

  • SHA1

    2f8fcc666d15e036ad7849655a56cc7f1e452c7b

  • SHA256

    5d2879408a6379cd11b93f0f9a00d3c53fd7a9e7bdb535003d232f841573798d

  • SHA512

    425097303b88bb3af4dac3ff390d846a3fc234c3c7915cbeb9de34fab95431f93a01e07f6bcf3abd259d2bbfe4e9ddca5836c4340786c7ace476994173cc0328

  • SSDEEP

    98304:zf9rK0VzQD2Qfa1cDyQTFYeXT4+HhWgF8jiV2e4oEXBfBAotI4UvFLOAkGkzdnEN:zBKmz55m9WgF8jr7AotIJvFLOyomFHKP

Score
7/10

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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-22_a0dd16c55284b0d79ffd923b798bb300_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-22_a0dd16c55284b0d79ffd923b798bb300_bkransomware.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3392
    • C:\Users\Admin\AppData\Local\Temp\LaunchCause.exe
      "C:\Users\Admin\AppData\Local\Temp\LaunchCause.exe"
      2⤵
      • Executes dropped EXE
      PID:2188

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\LaunchCause.exe
          Filesize

          384KB

          MD5

          37afe893a623adf108de7260799f07e7

          SHA1

          5543132b4098a5d0f3baac46c38b739f62887d18

          SHA256

          6ea728e19d700e737260d115e2582260bf19af9e082dc3e7bb49702814211f61

          SHA512

          28162b4ae6493dba7bba3693ae7f46cf659393178d7a9161cd8ab3e9120e9d7c7fbe4126a5cd4d75ba9072f0e2eb798eb24f7f2be8c5b8ed014d6f2f3956c2d4

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