Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 23:27

General

  • Target
    2026-08-10_da128ad59e70f97ae703b03a878d56fd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.1MB
  • Sample260810-3ff91awwav
  • SHA256 e582ca518226c531fc37b346448a6cff2981eecf7da4c949cb6c6652cc3be345
  • 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\2026-08-10_da128ad59e70f97ae703b03a878d56fd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-10_da128ad59e70f97ae703b03a878d56fd_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:5320
  • C:\Windows\Syswow64\a5650ff4
    C:\Windows\Syswow64\a5650ff4
    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:4940

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        a5650ff4

        • Path C:\Windows\SysWOW64\a5650ff4
        • Size 1.1MB
        • SHA256 e48a849f87d51f24be93ec8bdc71e48b9a7e1c333e701d7d676674708e1c43b5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4940-3-0x0000000000630000-0x00000000006BC000-memory.dmp

        memory/4940-11-0x0000000000630000-0x00000000006BC000-memory.dmp

        memory/4940-35-0x0000000000630000-0x00000000006BC000-memory.dmp

        memory/5320-0-0x0000000000A90000-0x0000000000B1C000-memory.dmp

        memory/5320-10-0x0000000000A90000-0x0000000000B1C000-memory.dmp