Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/07/2026, 17:35

General

  • Target
    2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260730-v6ak5stcrd
  • SHA256 ccc5ed481747b520e73f70f32fc0c59ffec7f97245ceaf3eb40e7225b9b991d6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

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.

  • 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.

  • 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\2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-30_638c611a95e2079874706468d6127dfd_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:1132
  • C:\Windows\Syswow64\f1f5bcd0
    C:\Windows\Syswow64\f1f5bcd0
    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:5360

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        f1f5bcd0

        • Path C:\Windows\SysWOW64\f1f5bcd0
        • Size 1.7MB
        • SHA256 20efc139bda7cb750fa194e802362b27e1794d357aba8de4388244913d299d36
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1132-0-0x0000000000670000-0x00000000006FC000-memory.dmp

        memory/1132-16-0x0000000000670000-0x00000000006FC000-memory.dmp

        memory/5360-3-0x0000000000A10000-0x0000000000A9C000-memory.dmp

        memory/5360-17-0x0000000000A10000-0x0000000000A9C000-memory.dmp

        memory/5360-32-0x0000000000A10000-0x0000000000A9C000-memory.dmp