Overview

overview

10

Static

static

10

2026-09-11...ee.exe

windows10-2004-x64

10

2026-09-11...ee.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/09/2026, 11:49

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General

  • Target
    2026-09-11_2f6d1026dd6754b409420a99239c79b8_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260912-nzeg7aba89
  • SHA256 ebea08606299e0bc8efcabdbe623eb48de169915f3504dabfc2881a0aa0c26ad
  • 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 8 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\2026-09-11_2f6d1026dd6754b409420a99239c79b8_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-11_2f6d1026dd6754b409420a99239c79b8_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:2280
  • C:\Windows\Syswow64\194a0220
    C:\Windows\Syswow64\194a0220
    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:4368

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        194a0220
        • Path C:\Windows\SysWOW64\194a0220
        • Size 1.7MB
        • SHA256 f4b537906b2cf0a3f814caf515a5d795e574da3bc18d77eb7e6a1f081a53c161
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2280-0-0x0000000000B90000-0x0000000000C1C000-memory.dmp
        Download

        memory/2280-16-0x0000000000B90000-0x0000000000C1C000-memory.dmp
        Download

        memory/4368-3-0x0000000000DA0000-0x0000000000E2C000-memory.dmp
        Download

        memory/4368-17-0x0000000000DA0000-0x0000000000E2C000-memory.dmp
        Download

        memory/4368-34-0x0000000000DA0000-0x0000000000E2C000-memory.dmp
        Download