Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    13/08/2023, 23:38

General

  • Target
    SecuriteInfo.com.Trojan.Uztuby.4.2456.32315.exe
  • Size 2.5MB
  • Sample230813-3mn87aff94
  • SHA256 3ee1bf8f42ab125b19e1fbb98ce698441cc9b993ae4c0489da1bbe78f6da48d4
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Uztuby.4.2456.32315.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Uztuby.4.2456.32315.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" .\XXLFB._LZ /u /S
      2⤵
      • Loads dropped DLL
      PID:1804

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        XXLFB._LZ

        • Path C:\Users\Admin\AppData\Local\Temp\XXLFB._LZ
        • Size 2.4MB
        • SHA256 fb8f462bd79057178d269d9b2d500d5cf221018321aa8ac1192f705f6ce13e17
        • MD5 SHA1 SHA512 SSDEEP

        XXlFB._lZ

        • Path \Users\Admin\AppData\Local\Temp\XXlFB._lZ
        • Size 2.4MB
        • SHA256 fb8f462bd79057178d269d9b2d500d5cf221018321aa8ac1192f705f6ce13e17
        • MD5 SHA1 SHA512 SSDEEP

        memory/1804-58-0x00000000020A0000-0x0000000002314000-memory.dmp

        memory/1804-60-0x0000000000150000-0x0000000000156000-memory.dmp

        memory/1804-59-0x00000000020A0000-0x0000000002314000-memory.dmp

        memory/1804-64-0x0000000001F10000-0x0000000002008000-memory.dmp

        memory/1804-65-0x0000000002550000-0x0000000002632000-memory.dmp

        memory/1804-68-0x0000000002550000-0x0000000002632000-memory.dmp

        memory/1804-69-0x0000000002550000-0x0000000002632000-memory.dmp