Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    10-11-2024 01:30

General

  • Target

    285ebc26488f13638fbcbb9f002d60699dfdbbe66317e63e8cd42c48bb853a50.exe

  • Size

    202KB

  • MD5

    92834525c33dfe56b89b3d86e3d24c0a

  • SHA1

    c5b2b0c8a4521cea085adbfc15131508bf0a1fa5

  • SHA256

    285ebc26488f13638fbcbb9f002d60699dfdbbe66317e63e8cd42c48bb853a50

  • SHA512

    a8b5fa38fdaeeb391125927aee7bda5cfde21d18608bed9fd9d010853c45f0e617a199629e3d257558b21116c27273afe5264a9226bad4e4b7f5f3fba855c6bb

  • SSDEEP

    3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf

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\285ebc26488f13638fbcbb9f002d60699dfdbbe66317e63e8cd42c48bb853a50.exe
    "C:\Users\Admin\AppData\Local\Temp\285ebc26488f13638fbcbb9f002d60699dfdbbe66317e63e8cd42c48bb853a50.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2876
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\stmxnwbp.exe "C:\Users\Admin\AppData\Local\Temp\285ebc26488f13638fbcbb9f002d60699dfdbbe66317e63e8cd42c48bb853a50.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2492
      • 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:2800
      • C:\Users\Admin\AppData\Local\Temp\stmxnwbp.exe
        C:\Users\Admin\AppData\Local\Temp\\stmxnwbp.exe "C:\Users\Admin\AppData\Local\Temp\285ebc26488f13638fbcbb9f002d60699dfdbbe66317e63e8cd42c48bb853a50.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:2912
        • \??\c:\Program Files\qytdplx\hvmxwh.exe
          "c:\Program Files\qytdplx\hvmxwh.exe" "c:\Program Files\qytdplx\hvmxwh.dll",Compliance C:\Users\Admin\AppData\Local\Temp\stmxnwbp.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:3068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\stmxnwbp.exe

    Filesize

    202KB

    MD5

    d58d4b88f301864f9d8f0bd57f05727f

    SHA1

    0e0e5469c5ca41f0da088afb5b17e5291c717291

    SHA256

    3e794c82e026ca9cab45895f53ff99d2d2c04aa7b105ef6b59efd97e53654ebe

    SHA512

    c415957f88e3a7fe182744aa47681b4ac6d5c61bcf1e2d27f0b0e8e681564f72771105b4be7fecc56c4129a46bba5aee23d6908374d3ca39ea9eca490bb9c216

  • \??\c:\Program Files\qytdplx\hvmxwh.dll

    Filesize

    141KB

    MD5

    17af6f69350838f4c8faa6564fe8490c

    SHA1

    d0aab946a4e4d836a6724fd234b7e71714496a29

    SHA256

    c4bdc300c7aeb0cf56c1a54a985a1561d84068293684c7e527847df68f20d348

    SHA512

    043a9ec16200a4770ed859c10c7b0e3aa53fec8833a357439dcfe2d6bc6a17ac5b72e76c11067eac9d17601ca9de757669c9a72dcf9dd955d17fe673e0c38bdb

  • \Program Files\qytdplx\hvmxwh.exe

    Filesize

    43KB

    MD5

    51138beea3e2c21ec44d0932c71762a8

    SHA1

    8939cf35447b22dd2c6e6f443446acc1bf986d58

    SHA256

    5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

    SHA512

    794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

  • memory/2492-7-0x0000000000120000-0x000000000016A000-memory.dmp

    Filesize

    296KB

  • memory/2876-2-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2876-1-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2876-4-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2876-0-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2912-11-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2912-19-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2912-10-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/3068-26-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/3068-27-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/3068-30-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB