Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 09:10

General

  • Target
    2026-08-03_e8cdebad09b27eca4e5095a9018643d2_amadey_coinminer_cryptolocker_elex_glassworm_remcos_smok.exe
  • Size 2.5MB
  • Sample260804-k44fbsbq3x
  • SHA256 05aec2ce2999de05160d0e34f05d45a523cfeee6660faf6ad9a2e6424104c42c
  • 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 11 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\2026-08-03_e8cdebad09b27eca4e5095a9018643d2_amadey_coinminer_cryptolocker_elex_glassworm_remcos_smok.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_e8cdebad09b27eca4e5095a9018643d2_amadey_coinminer_cryptolocker_elex_glassworm_remcos_smok.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:4992
  • C:\Windows\Syswow64\38fa4ecc
    C:\Windows\Syswow64\38fa4ecc
    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:2128

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        38fa4ecc

        • Path C:\Windows\SysWOW64\38fa4ecc
        • Size 2.5MB
        • SHA256 11caca20145f1cdeced110edb4ec7eff7beeaff2ea050dc07f9f81d725af5afa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2128-3-0x0000000000850000-0x00000000008DC000-memory.dmp

        memory/2128-14-0x0000000000850000-0x00000000008DC000-memory.dmp

        memory/2128-26-0x0000000000850000-0x00000000008DC000-memory.dmp

        memory/4992-0-0x0000000000E50000-0x0000000000EDC000-memory.dmp

        memory/4992-13-0x0000000000E50000-0x0000000000EDC000-memory.dmp