Overview

overview

10

Static

static

10

2026-09-01...ee.exe

windows10-2004-x64

10

2026-09-01...ee.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-09-01_2325bd922de331d94d460280e94f0243_coinminer_cryptolocker_elex_mafia_stealc_tofsee
  • Size 768KB
  • Sample260903-sc4wsawsgv
  • SHA256 d25c5138f080424d903fdaef4bc22843191bc54fd035706c7cc0c86d673555db
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
stealcdiscoverystealerupx

Malware Config

Targets

    • Target
      2026-09-01_2325bd922de331d94d460280e94f0243_coinminer_cryptolocker_elex_mafia_stealc_tofsee
    • Size 768KB
    • SHA256 d25c5138f080424d903fdaef4bc22843191bc54fd035706c7cc0c86d673555db
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoverystealcstealerupx

    • Detects Stealc stealer Version 3

    • Family: Stealc

      Stealc is an infostealer written in C++.

      stealerstealc

    • Detection of CryptoLocker Variants

    • Detection of Cryptolocker Samples

    • UPX dump on OEP (original entry point)

    • Executes dropped EXE

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Drops file in System32 directory

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks