Analysis

  • max time kernel
    130s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    01/08/2026, 15:26

General

  • Target
    2026-08-01_f4044912902d28f14b865afd5b7f102a_amadey_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.3MB
  • Sample260801-svjcsscf67
  • SHA256 7b4d81ef7eae81994c6afb1b2b65a7f106793cd17ad46f22fc29d4a567459265
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 25 IoCs
  • Drops file in Windows directory 47 IoCs
  • 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 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-01_f4044912902d28f14b865afd5b7f102a_amadey_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-01_f4044912902d28f14b865afd5b7f102a_amadey_elex_remcos_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4432
  • C:\Users\Admin\AppData\Local\Temp\2026-08-01_f4044912902d28f14b865afd5b7f102a_amadey_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-01_f4044912902d28f14b865afd5b7f102a_amadey_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4708

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCX921E.tmp

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\RCX921E.tmp
        • Size 1.3MB
        • SHA256 6dcef22a5082ead3e894eeb5452d0318d35347ba96671c665d0c62e5ab67650c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ManagerReader1.824.29.8644.exe

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\ManagerReader1.824.29.8644.exe
        • Size 1.3MB
        • SHA256 7b4d81ef7eae81994c6afb1b2b65a7f106793cd17ad46f22fc29d4a567459265
        • MD5 SHA1 SHA512 SSDEEP TLSH