Overview

overview

10

Static

static

10

2026-08-30...ee.exe

windows10-2004-x64

10

2026-08-30...ee.exe

windows11-ltsc_2024-x64

10

Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/08/2026, 04:31

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    2026-08-30_c99fbf6ec94f23d64ce14fa65e9b2868_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
  • Size 1.4MB
  • Sample260831-e5w5ravcnh
  • SHA256 6fd33426edd8074c14fb8f44b2417d000476005a5bb45379c9fbebb182046542
  • 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 6 IoCs
  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • UPX dump on OEP (original entry point) 13 IoCs
  • Executes dropped EXE 1 IoCs
  • Unexpected DNS network traffic destination 18 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 13 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\2026-08-30_c99fbf6ec94f23d64ce14fa65e9b2868_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-30_c99fbf6ec94f23d64ce14fa65e9b2868_coinminer_cryptolocker_elex_mafia_stealc_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:1196
  • C:\Windows\Syswow64\3d2fd218
    C:\Windows\Syswow64\3d2fd218
    1⤵
    • Executes dropped EXE
    • Unexpected DNS network traffic destination
    • 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:5632

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        3d2fd218
        • Path C:\Windows\SysWOW64\3d2fd218
        • Size 1.4MB
        • SHA256 e908b9f792e74e586cca4d199611b80a81379beda59e1ba3064d5a64e1f0d7fd
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1196-50-0x00000000004C0000-0x0000000000549000-memory.dmp
        Download

        memory/1196-16-0x00000000004C0000-0x0000000000549000-memory.dmp
        Download

        memory/1196-42-0x00000000004C0000-0x0000000000549000-memory.dmp
        Download

        memory/1196-0-0x00000000004C0000-0x0000000000549000-memory.dmp
        Download

        memory/1196-53-0x00000000004C0000-0x0000000000549000-memory.dmp
        Download

        memory/1196-54-0x00000000004C0000-0x0000000000549000-memory.dmp
        Download

        memory/1196-65-0x00000000004C0000-0x0000000000549000-memory.dmp
        Download

        memory/5632-4-0x0000000000D60000-0x0000000000DE9000-memory.dmp
        Download

        memory/5632-20-0x0000000000D60000-0x0000000000DE9000-memory.dmp
        Download

        memory/5632-21-0x0000000000D60000-0x0000000000DE9000-memory.dmp
        Download

        memory/5632-27-0x0000000000D60000-0x0000000000DE9000-memory.dmp
        Download

        memory/5632-45-0x0000000000D60000-0x0000000000DE9000-memory.dmp
        Download