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, 00:06

General

  • Target
    2026-07-29_66f64e17f9ebf6c40cb59e9cdb7e9099_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.1MB
  • Sample260730-adts4ayvfx
  • SHA256 fa2b02317efbf3660d56a4f60fc44bd9bbcd7ed3153899f1eec19859447e0c14
  • 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\2026-07-29_66f64e17f9ebf6c40cb59e9cdb7e9099_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-29_66f64e17f9ebf6c40cb59e9cdb7e9099_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:1468
  • C:\Windows\Syswow64\8ccea78b
    C:\Windows\Syswow64\8ccea78b
    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:1792

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        8ccea78b

        • Path C:\Windows\SysWOW64\8ccea78b
        • Size 1.1MB
        • SHA256 18fde19a4cda9635071b544e81866934772f8087a119f755539cafb2a9932f58
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1468-0-0x00000000007C0000-0x000000000084C000-memory.dmp

        memory/1468-10-0x00000000007C0000-0x000000000084C000-memory.dmp

        memory/1792-3-0x0000000000360000-0x00000000003EC000-memory.dmp

        memory/1792-11-0x0000000000360000-0x00000000003EC000-memory.dmp

        memory/1792-25-0x0000000000360000-0x00000000003EC000-memory.dmp