Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    06/08/2026, 16:56

General

  • Target
    2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.1MB
  • Sample260806-vf67eswcle
  • SHA256 765ad7eaa0e27250fcf8888f31aba8a902a0924c6528a31d863bf9c6e7c56e62
  • 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 18 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-06_a38666ba474829fda4b5087d314f79f3_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:1756
  • C:\Windows\Syswow64\7b41126b
    C:\Windows\Syswow64\7b41126b
    1⤵
    • Executes dropped EXE
    • Unexpected DNS network traffic destination
    • 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:1732

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7b41126b

        • Path C:\Windows\SysWOW64\7b41126b
        • Size 1.1MB
        • SHA256 cfa03ceb72124375e76ae063b1f80b60d08fe3078e8ec7197403eea35cfacc3b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1732-4-0x0000000000090000-0x000000000011C000-memory.dmp

        memory/1732-19-0x0000000000090000-0x000000000011C000-memory.dmp

        memory/1732-36-0x0000000000090000-0x000000000011C000-memory.dmp

        memory/1756-0-0x0000000000AC0000-0x0000000000B4C000-memory.dmp

        memory/1756-16-0x0000000000AC0000-0x0000000000B4C000-memory.dmp