Overview

overview

10

Static

static

10

2026-04-24...ee.exe

windows10-2004-x64

9

2026-04-24...ee.exe

windows11-21h2-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    24/04/2026, 23:30

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General

  • Target
    2026-04-24_f1f3b064781bdc572906f7a57c0a1421_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1022KB
  • Sample260424-3hlmhagw6x
  • SHA256 aebcfdae8ab4d4fa4d566291c7fe0d9c5e8c1fc06feca309713769c11cb3329f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
discoveryupx

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-24_f1f3b064781bdc572906f7a57c0a1421_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-24_f1f3b064781bdc572906f7a57c0a1421_amadey_coinminer_cryptolocker_elex_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:3500
  • C:\Windows\Syswow64\e4f2ff64
    C:\Windows\Syswow64\e4f2ff64
    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:3248

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        e4f2ff64
        • Path C:\Windows\SysWOW64\e4f2ff64
        • Size 1022KB
        • SHA256 2599d04391c7766e0b9a8446622d58d18c7b81dc61955d42d30f92b31e53a22d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3248-3-0x00000000002E0000-0x000000000036C000-memory.dmp
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        memory/3248-11-0x00000000002E0000-0x000000000036C000-memory.dmp
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        memory/3248-22-0x00000000002E0000-0x000000000036C000-memory.dmp
        Download

        memory/3500-0-0x0000000000FC0000-0x000000000104C000-memory.dmp
        Download

        memory/3500-10-0x0000000000FC0000-0x000000000104C000-memory.dmp
        Download