Overview

overview

10

Static

static

10

2026-04-26...ee.exe

windows10-2004-x64

9

2026-04-26...ee.exe

windows11-21h2-x64

9

Sharing

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General

  • Target
    2026-04-26_e5258c7da85386fd171e1b8d11467429_coinminer_cryptolocker_elex_mafia_stealc_tofsee
  • Size 768KB
  • Sample260426-b37xpady5m
  • SHA256 18cdc3664b2ac464cc3c8f472e6fa595f2b7ec8d1b909a5cb6c8fd91f3e8a09a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoveryupx

Malware Config

Targets

    • Target
      2026-04-26_e5258c7da85386fd171e1b8d11467429_coinminer_cryptolocker_elex_mafia_stealc_tofsee
    • Size 768KB
    • SHA256 18cdc3664b2ac464cc3c8f472e6fa595f2b7ec8d1b909a5cb6c8fd91f3e8a09a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    discoveryupx
    • Custom signature

      Detection of CryptoLocker Variants

    • Custom signature

      Detection of Cryptolocker Samples

    • Custom signature

      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