Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/09/2026, 05:37

General

  • Target
    2026-09-06_31de2613ff9d0fd2d24fba388faa691e_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1022KB
  • Sample260907-gbf8jszbjf
  • SHA256 48e0663aac01ba650b71184059c3dcee8f06a2f25d5ad4863451cf18997d96c4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Stealc

    Stealc is an infostealer written in C++.

  • Detects Stealc stealer Version 3 1 IoCs
  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • UPX dump on OEP (original entry point) 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Unexpected DNS network traffic destination 4 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops file in System32 directory 17 IoCs
  • UPX packed file 6 IoCs

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

  • Drops file in Windows directory 2 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.

  • Modifies data under HKEY_USERS 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-06_31de2613ff9d0fd2d24fba388faa691e_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-06_31de2613ff9d0fd2d24fba388faa691e_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • Unexpected DNS network traffic destination
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3280
  • C:\Windows\Syswow64\17d088c0
    C:\Windows\Syswow64\17d088c0
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4468

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        17d088c0

        • Path C:\Windows\SysWOW64\17d088c0
        • Size 1022KB
        • SHA256 df42c6391ce604a431866b3f364bc530fa5a14a6bb1d3971c4f86df132a74136
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3280-0-0x00000000007D0000-0x000000000085C000-memory.dmp

        memory/3280-10-0x00000000007D0000-0x000000000085C000-memory.dmp

        memory/4468-3-0x0000000000E50000-0x0000000000EDC000-memory.dmp

        memory/4468-11-0x0000000000E50000-0x0000000000EDC000-memory.dmp

        memory/4468-32-0x0000000000E50000-0x0000000000EDC000-memory.dmp