Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 14 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
  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 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 42 IoCs

    remove IFEO.

  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 19 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • System policy modification 1 TTPs 6 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1236
      • C:\Users\Admin\AppData\Local\Temp\485bbe648fed9bf9f1f0d6bed9c89c4e36436a9f3f79aea5b784ed8bf8543776N.exe
        "C:\Users\Admin\AppData\Local\Temp\485bbe648fed9bf9f1f0d6bed9c89c4e36436a9f3f79aea5b784ed8bf8543776N.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2116
        • C:\Users\Admin\AppData\Local\Temp\485bbe648fed9bf9f1f0d6bed9c89c4e36436a9f3f79aea5b784ed8bf8543776N.exe
          "C:\Users\Admin\AppData\Local\Temp\485bbe648fed9bf9f1f0d6bed9c89c4e36436a9f3f79aea5b784ed8bf8543776N.exe"
          3⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:788
          • C:\Users\Admin\AC1E05A2F476A4B7\8F1502.exe
            "C:\Users\Admin\AC1E05A2F476A4B7\8F1502.exe" 5A3FB291
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2352
            • C:\Users\Admin\AC1E05A2F476A4B7\8F1502.exe
              "C:\Users\Admin\AC1E05A2F476A4B7\8F1502.exe"
              5⤵
              • 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
              • Suspicious use of WriteProcessMemory
              • System policy modification
              PID:1912
    • C:\Windows\system32\wbem\unsecapp.exe
      C:\Windows\system32\wbem\unsecapp.exe -Embedding
      1⤵
        PID:1908

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • \Users\Admin\AC1E05A2F476A4B7\8F1502.exe

              Filesize

              1.8MB

              MD5

              12fe11a1768d83798579faf59609bdd0

              SHA1

              e4f225c82d5ac1bf26a1092759326a3fc4155a59

              SHA256

              485bbe648fed9bf9f1f0d6bed9c89c4e36436a9f3f79aea5b784ed8bf8543776

              SHA512

              b0f88c5ba619e1f107e94ab1b900c5725a82fc53e08de97dcf989ce65a22ee6ff6d5b228b28d50d8c0fc605a5f465831d7f9129362b6894384cb50d95c36283b

            • memory/788-2-0x0000000000400000-0x0000000000446000-memory.dmp

              Filesize

              280KB

            • memory/788-11-0x0000000000400000-0x0000000000446000-memory.dmp

              Filesize

              280KB

            • memory/788-13-0x0000000000400000-0x0000000000446000-memory.dmp

              Filesize

              280KB

            • memory/788-10-0x0000000000400000-0x0000000000446000-memory.dmp

              Filesize

              280KB

            • memory/788-8-0x0000000000400000-0x0000000000446000-memory.dmp

              Filesize

              280KB

            • memory/788-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              Filesize

              4KB

            • memory/788-5-0x0000000000400000-0x0000000000446000-memory.dmp

              Filesize

              280KB

            • memory/788-4-0x0000000000400000-0x0000000000446000-memory.dmp

              Filesize

              280KB

            • memory/788-27-0x0000000000400000-0x0000000000446000-memory.dmp

              Filesize

              280KB

            • memory/1912-53-0x0000000003F00000-0x00000000049BA000-memory.dmp

              Filesize

              10.7MB

            • memory/1912-1909-0x0000000000400000-0x0000000000446000-memory.dmp

              Filesize

              280KB

            • memory/1912-1910-0x0000000000400000-0x0000000000446000-memory.dmp

              Filesize

              280KB

            • memory/1912-1937-0x0000000000400000-0x0000000000446000-memory.dmp

              Filesize

              280KB

            • memory/1912-1944-0x0000000000400000-0x0000000000446000-memory.dmp

              Filesize

              280KB

            • memory/1912-1960-0x0000000000400000-0x0000000000446000-memory.dmp

              Filesize

              280KB

            • memory/1912-1977-0x0000000000400000-0x0000000000446000-memory.dmp

              Filesize

              280KB

            • memory/1912-1990-0x0000000000400000-0x0000000000446000-memory.dmp

              Filesize

              280KB

            • memory/1912-2026-0x0000000000400000-0x0000000000446000-memory.dmp

              Filesize

              280KB

            • memory/1912-2030-0x0000000000400000-0x0000000000446000-memory.dmp

              Filesize

              280KB

            • memory/1912-2046-0x0000000000400000-0x0000000000446000-memory.dmp

              Filesize

              280KB

            • memory/1912-2068-0x0000000000400000-0x0000000000446000-memory.dmp

              Filesize

              280KB

            • memory/1912-2094-0x0000000000400000-0x0000000000446000-memory.dmp

              Filesize

              280KB