Overview

overview

10

Static

static

3

bda3de761c...2N.exe

windows7-x64

10

bda3de761c...2N.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    119s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/09/2024, 12:23

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    bda3de761c64ccf41be150e34e0f0eeeb266eb35da98d5adb68b5281e9f81012N.exe

  • Size

    140KB

  • MD5

    e3defdbd43e0ba5e94335b6a207da8e0

  • SHA1

    7ccacfc8aa8c7a3599cfdcf831309f595eacfb76

  • SHA256

    bda3de761c64ccf41be150e34e0f0eeeb266eb35da98d5adb68b5281e9f81012

  • SHA512

    ea515c3d897afc7cfcbc115846aebdb0b5a4ab0da54a9b651c0ea76ef450c593f23e1833c4875829f2ce864ce79d780fd5f9286123a436efa48eb7d29024960b

  • SSDEEP

    3072:+lf1fGL02W2N0fAU9x5Ea3hN4oQZiEzb6:89GL012efAU9x5BxfWRm

Score
10/10
discoveryevasionpersistence

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • 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 51 IoCs
    persistence
  • 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.

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bda3de761c64ccf41be150e34e0f0eeeb266eb35da98d5adb68b5281e9f81012N.exe
    "C:\Users\Admin\AppData\Local\Temp\bda3de761c64ccf41be150e34e0f0eeeb266eb35da98d5adb68b5281e9f81012N.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5004
    • C:\Users\Admin\yuudiob.exe
      "C:\Users\Admin\yuudiob.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2352

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\yuudiob.exe
    Filesize

    140KB

    MD5

    81cc54723c52abc598861af2833a7b94

    SHA1

    a11c4cf4a51b129effe0db49cf22960a4961ec4d

    SHA256

    11b8e703f38500d35d22eea7183e03ce36d0cfe57ec52d27d65ecbbe9a5486cd

    SHA512

    ffb2fc2c7ce55fb4ea8049566a5f6ac65fc9294944135240d92b9b22989a9c0472c74450b7452dde202d9f6c5dba1db8992fa640bb7cd6a174c4ec56d5fab216

    Download Submit