Analysis

  • max time kernel
    112s
  • max time network
    117s
  • 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

    b4ce92413122d3e86b3044bfc518c6bf3d12d9a9c5ad7b7c03c265f19e775628.exe

  • Size

    398KB

  • MD5

    e6f75da0133c679c36e837660002f099

  • SHA1

    368a629a708ea9f70402b288d015f417ecd31c1b

  • SHA256

    b4ce92413122d3e86b3044bfc518c6bf3d12d9a9c5ad7b7c03c265f19e775628

  • SHA512

    7a0463d776cb03c5243ac4c4795d2ebb6bb8c8805f12fc8b49925ba6d2bf64b49878ceee67b1b3b7a5afc7f28be335ba1765500a0230278da99fd768dbfe53d7

  • SSDEEP

    12288:vdDU6g13sJd1fm/+yb3O2jg82ydU/DdKumhm:vdE3sJd1fm/+yb3OYg84/JHym

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4ce92413122d3e86b3044bfc518c6bf3d12d9a9c5ad7b7c03c265f19e775628.exe
    "C:\Users\Admin\AppData\Local\Temp\b4ce92413122d3e86b3044bfc518c6bf3d12d9a9c5ad7b7c03c265f19e775628.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2056
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\dqmdh.exe "C:\Users\Admin\AppData\Local\Temp\b4ce92413122d3e86b3044bfc518c6bf3d12d9a9c5ad7b7c03c265f19e775628.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2480
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:3048
      • C:\Users\Admin\AppData\Local\Temp\dqmdh.exe
        C:\Users\Admin\AppData\Local\Temp\\dqmdh.exe "C:\Users\Admin\AppData\Local\Temp\b4ce92413122d3e86b3044bfc518c6bf3d12d9a9c5ad7b7c03c265f19e775628.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1860
        • \??\c:\Program Files\vltof\ifdtvkqyr.exe
          "c:\Program Files\vltof\ifdtvkqyr.exe" "c:\Program Files\vltof\ifdtvkqyr.dll",Viewer C:\Users\Admin\AppData\Local\Temp\dqmdh.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2536

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \??\c:\Program Files\vltof\ifdtvkqyr.dll

          Filesize

          89KB

          MD5

          0f5623b621fbe342ae66da5ece8ecdc0

          SHA1

          579e6c48674889ef78f8a8987e22bdf6fb934749

          SHA256

          b2079d8a96c3cd210bcc639d576f491606dfa5ebbd8636712677fefed54e8847

          SHA512

          f1bbd3a7daf63404483875cf518f432addfa13805b97c9f3b810da430d8747c6cee0e7d3c7b542733c744205c28235b27265b732694b1cf78c645ac7ea2ec466

        • \Program Files\vltof\ifdtvkqyr.exe

          Filesize

          43KB

          MD5

          51138beea3e2c21ec44d0932c71762a8

          SHA1

          8939cf35447b22dd2c6e6f443446acc1bf986d58

          SHA256

          5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

          SHA512

          794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

        • \Users\Admin\AppData\Local\Temp\dqmdh.exe

          Filesize

          398KB

          MD5

          ba53543fe198b56bfe65bd5ab6f7799b

          SHA1

          6c51becb88be7bfde4a0dd893957c083693531df

          SHA256

          8ee9501445cda3ae67b8b5189532d024afc16842b339f68664fb71e58948ecd3

          SHA512

          733a1766f905813763dafc2efb19ff41900b78c19a7cc9e12e18001f96313397d0b269a197e66c82bec6e5c0490b31384955a4f20ceb20d11bfd04376fb6c7ed

        • memory/2536-19-0x0000000010000000-0x0000000010033000-memory.dmp

          Filesize

          204KB

        • memory/2536-18-0x0000000010000000-0x0000000010033000-memory.dmp

          Filesize

          204KB

        • memory/2536-16-0x0000000010000000-0x0000000010033000-memory.dmp

          Filesize

          204KB

        • memory/2536-20-0x0000000010000000-0x0000000010033000-memory.dmp

          Filesize

          204KB

        • memory/2536-25-0x0000000010000000-0x0000000010033000-memory.dmp

          Filesize

          204KB

        • memory/2536-26-0x0000000010000000-0x0000000010033000-memory.dmp

          Filesize

          204KB