Overview

overview

10

Static

static

10

2026-09-15...ee.exe

windows10-2004-x64

10

2026-09-15...ee.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/09/2026, 15:05

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General

  • Target
    2026-09-15_ba07ef8b96aa77b725b5644022a0e0e2_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 560KB
  • Sample260915-sf9w7sal4x
  • SHA256 cb010db8a79d2c2b6888bdfecc39a5707f94f160f2083f4407ce976b10cd1339
  • 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 5 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 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-15_ba07ef8b96aa77b725b5644022a0e0e2_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-15_ba07ef8b96aa77b725b5644022a0e0e2_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:3764
  • C:\Windows\Syswow64\6b863120
    C:\Windows\Syswow64\6b863120
    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:3008

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        337f80
        • Path C:\Windows\337f80
        • Size 916B
        • SHA256 1dc6f70fbe2ba884757e7f3c5f745c3b82699a7ecff5b0ac91cba5209896fb9b
        • MD5 SHA1 SHA512 TLSH
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        6b863120
        • Path C:\Windows\SysWOW64\6b863120
        • Size 560KB
        • SHA256 16dcdc396a03143a666a03d3122d21dbf880e946538d71e4564fd0667c08f351
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3008-3-0x0000000000760000-0x00000000007EC000-memory.dmp
        Download

        memory/3008-18-0x0000000000760000-0x00000000007EC000-memory.dmp
        Download

        memory/3008-39-0x0000000000760000-0x00000000007EC000-memory.dmp
        Download

        memory/3764-0-0x0000000000DB0000-0x0000000000E3C000-memory.dmp
        Download

        memory/3764-17-0x0000000000DB0000-0x0000000000E3C000-memory.dmp
        Download