Analysis

  • max time kernel
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    15/09/2026, 17:55

General

  • Target
    2026-09-15_5c84b77658110c91562429b71741dcda_elex_ramnit_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 546KB
  • Sample260915-whreesws2j
  • SHA256 72d2ab5b1de26a165a5e7743cb178f12c12a702f997daf9da34a4d0fce238fa5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Family: Stealc

    Stealc is an infostealer written in C++.

  • Detects Stealc stealer Version 3 1 IoCs
  • UPX dump on OEP (original entry point) 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Runs .reg file with regedit 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-15_5c84b77658110c91562429b71741dcda_elex_ramnit_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-15_5c84b77658110c91562429b71741dcda_elex_ramnit_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1008
    • C:\Users\Admin\AppData\Local\Temp\2026-09-15_5c84b77658110c91562429b71741dcda_elex_ramnit_rhadamanthys_smoke-loader_stealc_stop_tofseemgr.exe
      C:\Users\Admin\AppData\Local\Temp\2026-09-15_5c84b77658110c91562429b71741dcda_elex_ramnit_rhadamanthys_smoke-loader_stealc_stop_tofseemgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2952
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 528
        3⤵
        • Program crash
        PID:3448
    • C:\Windows\SysWOW64\regedit.exe
      C:\Windows\regedit.exe /s "C:\Users\Admin\AppData\Local\Temp\config.reg"
      2⤵
      • System Location Discovery: System Language Discovery
      • Runs .reg file with regedit
      PID:3124
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2952 -ip 2952
    1⤵
      PID:2908

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          2026-09-15_5c84b77658110c91562429b71741dcda_elex_ramnit_rhadamanthys_smoke-loader_stealc_stop_tofseemgr.exe

          • Path C:\Users\Admin\AppData\Local\Temp\2026-09-15_5c84b77658110c91562429b71741dcda_elex_ramnit_rhadamanthys_smoke-loader_stealc_stop_tofseemgr.exe
          • Size 354KB
          • SHA256 7bf945e4d87567106bfe8980b4fe1e6482578ab91fa9d82426c804ae5c3f2546
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ~TMBDAE.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\~TMBDAE.tmp
          • Size 1.6MB
          • SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1008-0-0x0000000000980000-0x0000000000A0F000-memory.dmp

          memory/1008-13-0x0000000000980000-0x0000000000A0F000-memory.dmp

          memory/2952-5-0x0000000000400000-0x000000000045C000-memory.dmp

          memory/2952-7-0x0000000002090000-0x00000000020EC000-memory.dmp

          memory/2952-11-0x0000000077902000-0x0000000077904000-memory.dmp

          memory/2952-10-0x0000000077902000-0x0000000077903000-memory.dmp

          memory/2952-12-0x0000000000400000-0x000000000045C000-memory.dmp