Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    29/01/2024, 03:40

General

  • Target
    7ec976698b77362e0cb6ccad6f468d17.exe
  • Size 112KB
  • Sample240129-d7673ahbe4
  • SHA256 fba64844dbb62b681de90ef86d1fc6b6cc95a9ff8e374ef6a64a48a8179ac23d
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7ec976698b77362e0cb6ccad6f468d17.exe
    "C:\Users\Admin\AppData\Local\Temp\7ec976698b77362e0cb6ccad6f468d17.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Users\Admin\AppData\Local\Temp\nsy1132.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nsy1132.tmp\downloadmr.exe /u4d48827d-aee0-4055-ba08-79595bc06ebe /e4352
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:2656

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        Cab1289.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Cab1289.tmp
        • Size 65KB
        • SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
        • MD5 SHA1 SHA512 SSDEEP

        Tar129C.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Tar129C.tmp
        • Size 171KB
        • SHA256 4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
        • MD5 SHA1 SHA512 SSDEEP

        downloadmr.exe

        • Path \Users\Admin\AppData\Local\Temp\nsy1132.tmp\downloadmr.exe
        • Size 137KB
        • SHA256 62fd49a2104878f136e2247037c5ef9a73f6a78c4ca3a1cc38e1bfb80b108021
        • MD5 SHA1 SHA512 SSDEEP

        memory/2656-9-0x00000000740E0000-0x000000007468B000-memory.dmp

        memory/2656-17-0x0000000002140000-0x0000000002180000-memory.dmp

        memory/2656-18-0x00000000740E0000-0x000000007468B000-memory.dmp

        memory/2656-72-0x0000000002140000-0x0000000002180000-memory.dmp

        memory/2656-73-0x0000000002140000-0x0000000002180000-memory.dmp

        memory/2656-74-0x00000000068A0000-0x00000000069A0000-memory.dmp

        memory/2656-75-0x00000000740E0000-0x000000007468B000-memory.dmp