Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/06/2026, 23:18

General

  • Target
    2026-06-28_399aa9ea52757ece576e8aa47f642004_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1022KB
  • Sample260628-3adxpags9x
  • SHA256 d38eba790af049131950b07beaabacdea5b99038d056abfb0fad2d8fe28f523d
  • 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 15 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-28_399aa9ea52757ece576e8aa47f642004_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-28_399aa9ea52757ece576e8aa47f642004_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:2588
  • C:\Windows\Syswow64\e7f4f750
    C:\Windows\Syswow64\e7f4f750
    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:3748

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e7f4f750

        • Path C:\Windows\SysWOW64\e7f4f750
        • Size 1022KB
        • SHA256 9e6b750340493c84998f51075e9782e5871d66d848176d69aafec5e88b844d7e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2588-0-0x00000000002F0000-0x000000000037C000-memory.dmp

        memory/2588-18-0x00000000002F0000-0x000000000037C000-memory.dmp

        memory/3748-3-0x0000000000E80000-0x0000000000F0C000-memory.dmp

        memory/3748-19-0x0000000000E80000-0x0000000000F0C000-memory.dmp

        memory/3748-30-0x0000000000E80000-0x0000000000F0C000-memory.dmp