Overview

overview

10

Static

static

10

2026-09-03...ee.exe

windows10-2004-x64

10

2026-09-03...ee.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/09/2026, 22:24

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General

  • Target
    2026-09-03_ce18a8be378571ae64b7a22509dd5bb8_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 560KB
  • Sample260903-2bkaesca42
  • SHA256 42f554025497dfe01b3f36409987d3d853a8d6908c83d9e49da84ff687e3a2e6
  • 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
  • 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\2026-09-03_ce18a8be378571ae64b7a22509dd5bb8_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-03_ce18a8be378571ae64b7a22509dd5bb8_amadey_coinminer_elex_rhadamanthys_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:1340
  • C:\Windows\Syswow64\b6529c9a
    C:\Windows\Syswow64\b6529c9a
    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:3728

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        b6529c9a
        • Path C:\Windows\SysWOW64\b6529c9a
        • Size 560KB
        • SHA256 0d21b5f42d01ecba0fe51f13509abd8b86b61e0652cf0045fffcee5adb9837be
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1340-0-0x0000000000870000-0x00000000008FC000-memory.dmp
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        memory/1340-16-0x0000000000870000-0x00000000008FC000-memory.dmp
        Download

        memory/3728-4-0x00000000006D0000-0x000000000075C000-memory.dmp
        Download

        memory/3728-17-0x00000000006D0000-0x000000000075C000-memory.dmp
        Download

        memory/3728-26-0x00000000006D0000-0x000000000075C000-memory.dmp
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