Analysis

  • max time kernel
    111s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/01/2025, 12:04

General

  • Target

    485bbe648fed9bf9f1f0d6bed9c89c4e36436a9f3f79aea5b784ed8bf8543776N.exe

  • Size

    1.8MB

  • MD5

    12fe11a1768d83798579faf59609bdd0

  • SHA1

    e4f225c82d5ac1bf26a1092759326a3fc4155a59

  • SHA256

    485bbe648fed9bf9f1f0d6bed9c89c4e36436a9f3f79aea5b784ed8bf8543776

  • SHA512

    b0f88c5ba619e1f107e94ab1b900c5725a82fc53e08de97dcf989ce65a22ee6ff6d5b228b28d50d8c0fc605a5f465831d7f9129362b6894384cb50d95c36283b

  • SSDEEP

    1536:/CqbkY/kqpzkRx8H2iBrWP+zlwrNC8p2471hRScvf15KaqsmdxVus:5rQA/FIx19v9tq/dz

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 18 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • UAC bypass 3 TTPs 4 IoCs
  • Windows security bypass 2 TTPs 4 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Disables taskbar notifications via registry modification
  • Drops file in Drivers directory 1 IoCs
  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 64 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 15 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Indicator Removal: Clear Persistence 1 TTPs 46 IoCs

    remove IFEO.

  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies Control Panel 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 15 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • System policy modification 1 TTPs 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\485bbe648fed9bf9f1f0d6bed9c89c4e36436a9f3f79aea5b784ed8bf8543776N.exe
    "C:\Users\Admin\AppData\Local\Temp\485bbe648fed9bf9f1f0d6bed9c89c4e36436a9f3f79aea5b784ed8bf8543776N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4048
    • C:\Users\Admin\AppData\Local\Temp\485bbe648fed9bf9f1f0d6bed9c89c4e36436a9f3f79aea5b784ed8bf8543776N.exe
      "C:\Users\Admin\AppData\Local\Temp\485bbe648fed9bf9f1f0d6bed9c89c4e36436a9f3f79aea5b784ed8bf8543776N.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4344
      • C:\Users\Admin\6831144AF18B6310\4B3A13.exe
        "C:\Users\Admin\6831144AF18B6310\4B3A13.exe" 78BC2B5D
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3684
        • C:\Users\Admin\6831144AF18B6310\4B3A13.exe
          "C:\Users\Admin\6831144AF18B6310\4B3A13.exe"
          4⤵
          • Modifies firewall policy service
          • Modifies security service
          • Modifies visibility of file extensions in Explorer
          • Modifies visiblity of hidden/system files in Explorer
          • UAC bypass
          • Windows security bypass
          • Disables RegEdit via registry modification
          • Drops file in Drivers directory
          • Event Triggered Execution: Image File Execution Options Injection
          • Drops startup file
          • Executes dropped EXE
          • Windows security modification
          • Adds Run key to start application
          • Checks whether UAC is enabled
          • Indicator Removal: Clear Persistence
          • System Location Discovery: System Language Discovery
          • Modifies Control Panel
          • Modifies Internet Explorer settings
          • Modifies Internet Explorer start page
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • System policy modification
          PID:4464
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:4000

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\6831144AF18B6310\4B3A13.exe

            Filesize

            1.8MB

            MD5

            12fe11a1768d83798579faf59609bdd0

            SHA1

            e4f225c82d5ac1bf26a1092759326a3fc4155a59

            SHA256

            485bbe648fed9bf9f1f0d6bed9c89c4e36436a9f3f79aea5b784ed8bf8543776

            SHA512

            b0f88c5ba619e1f107e94ab1b900c5725a82fc53e08de97dcf989ce65a22ee6ff6d5b228b28d50d8c0fc605a5f465831d7f9129362b6894384cb50d95c36283b

          • memory/4344-2-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB

          • memory/4344-4-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB

          • memory/4344-6-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB

          • memory/4344-18-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB

          • memory/4464-1893-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB

          • memory/4464-1895-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB

          • memory/4464-1897-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB