Overview

overview

10

Static

static

10

2026-09-09...ee.exe

windows10-2004-x64

10

2026-09-09...ee.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/09/2026, 00:40

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General

  • Target
    2026-09-09_09a284caf5117c3f91d67e86fc6ea025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.1MB
  • Sample260910-a1nwcsed93
  • SHA256 768a188bd12756d55edfef23e9668859e720a22ef5a585609b5753d55cb5e3af
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoverystealcstealerupx

Malware Config

Signatures

  • Family: Stealc

    Stealc is an infostealer written in C++.

    stealerstealc
  • 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 13 IoCs
  • UPX packed file 6 IoCs

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

    upx
  • 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.

    discovery
  • Modifies data under HKEY_USERS 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-09_09a284caf5117c3f91d67e86fc6ea025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-09_09a284caf5117c3f91d67e86fc6ea025_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:3648
  • C:\Windows\Syswow64\d414204
    C:\Windows\Syswow64\d414204
    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:4148

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        d414204
        • Path C:\Windows\SysWOW64\d414204
        • Size 1.1MB
        • SHA256 dcbdeb559bd4cdd76624f317268f3ae3bf2e6f1ee918714f217a040a60a730a7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3648-0-0x00000000004D0000-0x000000000055C000-memory.dmp
        Download

        memory/3648-16-0x00000000004D0000-0x000000000055C000-memory.dmp
        Download

        memory/4148-3-0x00000000007F0000-0x000000000087C000-memory.dmp
        Download

        memory/4148-17-0x00000000007F0000-0x000000000087C000-memory.dmp
        Download

        memory/4148-32-0x00000000007F0000-0x000000000087C000-memory.dmp
        Download