Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    25/04/2026, 15:48

General

  • Target
    2026-04-25_4c28ca5be4127eef643f6b9051a67a31_elex_mafia_stealc_tofsee.exe
  • Size 467KB
  • Sample260425-s82rasez3n
  • SHA256 ce46532847ce77d33e59d48369c6350308cdf88423d0fbbb5f9c33692af1d2b8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-25_4c28ca5be4127eef643f6b9051a67a31_elex_mafia_stealc_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-25_4c28ca5be4127eef643f6b9051a67a31_elex_mafia_stealc_tofsee.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3996
    • C:\Users\Admin\AppData\Local\Temp\59.tmp
      "C:\Users\Admin\AppData\Local\Temp\59.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2026-04-25_4c28ca5be4127eef643f6b9051a67a31_elex_mafia_stealc_tofsee.exe 9AB7F29EBFDE769243E73C442C1A2A664085B3DDF5A36CF3DF536928606858525FE74C21AF4B322E73711AB29DCE6F00B0BA42F7F1DCEAA62C8B56662298D9D7
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:3728
      • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
        "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\2026-04-25_4c28ca5be4127eef643f6b9051a67a31_elex_mafia_stealc_tofsee.doc" /o ""
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of SetWindowsHookEx
        PID:5092

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        57C8EDB95DF3F0AD4EE2DC2B8CFD4157

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
        • Size 4KB
        • SHA256 0300e9ddb527990e8b59d06e9ccf3ec2bd92d3bbd0ef4fba69d6336e4195e82d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        57C8EDB95DF3F0AD4EE2DC2B8CFD4157

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
        • Size 342B
        • SHA256 e50052f57328f5ae30c2b769b410b48b834a55fd2adbfe318767ddcf6791ef55
        • MD5 SHA1 SHA512 TLSH

        57C8EDB95DF3F0AD4EE2DC2B8CFD4157

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
        • Size 342B
        • SHA256 4057fc46aa558034b9b6f2e9640bb72c61e9c430dc6fd536a263e16f9c59da98
        • MD5 SHA1 SHA512 TLSH

        2026-04-25_4c28ca5be4127eef643f6b9051a67a31_elex_mafia_stealc_tofsee.doc

        • Path C:\Users\Admin\AppData\Local\Temp\2026-04-25_4c28ca5be4127eef643f6b9051a67a31_elex_mafia_stealc_tofsee.doc
        • Size 35KB
        • SHA256 b3b306a9618a08a003443e00e8ce2fcb14040775c3aeadc11cf120668e98dff1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        59.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\59.tmp
        • Size 467KB
        • SHA256 d4735e5e1768839d57314bcf97b5fba90a9166eea284c7b05dfa01b0a6f21407
        • MD5 SHA1 SHA512 SSDEEP TLSH

        iso690.xsl

        • Path C:\Users\Admin\AppData\Local\Temp\TCDA03E.tmp\iso690.xsl
        • Size 263KB
        • SHA256 3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ExcludeDictionaryEN0409.lex

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex
        • Size 2B
        • SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
        • MD5 SHA1 SHA512

        memory/5092-19-0x00007FFBFE120000-0x00007FFBFE329000-memory.dmp

        memory/5092-549-0x00007FFBBE1B0000-0x00007FFBBE1C0000-memory.dmp

        memory/5092-22-0x00007FFBFE120000-0x00007FFBFE329000-memory.dmp

        memory/5092-14-0x00007FFBBE1B0000-0x00007FFBBE1C0000-memory.dmp

        memory/5092-21-0x00007FFBFE120000-0x00007FFBFE329000-memory.dmp

        memory/5092-24-0x00007FFBBBF90000-0x00007FFBBBFA0000-memory.dmp

        memory/5092-13-0x00007FFBBE1B0000-0x00007FFBBE1C0000-memory.dmp

        memory/5092-15-0x00007FFBBE1B0000-0x00007FFBBE1C0000-memory.dmp

        memory/5092-26-0x00007FFBBBF90000-0x00007FFBBBFA0000-memory.dmp

        memory/5092-20-0x00007FFBFE120000-0x00007FFBFE329000-memory.dmp

        memory/5092-37-0x00007FFBFE120000-0x00007FFBFE329000-memory.dmp

        memory/5092-39-0x00000279353D0000-0x00000279353D9000-memory.dmp

        memory/5092-23-0x00007FFBFE120000-0x00007FFBFE329000-memory.dmp

        memory/5092-38-0x0000027935800000-0x000002793586F000-memory.dmp

        memory/5092-25-0x00007FFBFE120000-0x00007FFBFE329000-memory.dmp

        memory/5092-16-0x00007FFBFE1C4000-0x00007FFBFE1C5000-memory.dmp

        memory/5092-412-0x0000027935800000-0x000002793586F000-memory.dmp

        memory/5092-17-0x00007FFBBE1B0000-0x00007FFBBE1C0000-memory.dmp

        memory/5092-519-0x0000027935800000-0x000002793586F000-memory.dmp

        memory/5092-543-0x0000027935800000-0x000002793586F000-memory.dmp

        memory/5092-548-0x00007FFBBE1B0000-0x00007FFBBE1C0000-memory.dmp

        memory/5092-551-0x00007FFBBE1B0000-0x00007FFBBE1C0000-memory.dmp

        memory/5092-550-0x00007FFBBE1B0000-0x00007FFBBE1C0000-memory.dmp

        memory/5092-18-0x00007FFBBE1B0000-0x00007FFBBE1C0000-memory.dmp

        memory/5092-552-0x0000027935800000-0x000002793586F000-memory.dmp

        memory/5092-553-0x00000279353D0000-0x00000279353D9000-memory.dmp

        memory/5092-554-0x000002792CB50000-0x000002792CC82000-memory.dmp

        memory/5092-555-0x00007FFBFE120000-0x00007FFBFE329000-memory.dmp