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
    19/07/2026, 00:47

General

  • Target
    2026-07-18_f5d2eaeed76b73a1ef770e8af337ff76_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.1MB
  • Sample260719-a5daesbs61
  • SHA256 865c01743bc6b247bb3e85e81f141487a26928a2c251bfaa9d5d3a74baaeef1a
  • MD5 SHA1 SHA512 SSDEEP TLSH

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 6 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops file in System32 directory 17 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
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-18_f5d2eaeed76b73a1ef770e8af337ff76_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-18_f5d2eaeed76b73a1ef770e8af337ff76_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:5596
  • C:\Windows\Syswow64\b67380b0
    C:\Windows\Syswow64\b67380b0
    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
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4676

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        b67380b0

        • Path C:\Windows\SysWOW64\b67380b0
        • Size 1.1MB
        • SHA256 9e525cb7234cc1e17c6f0ba952539e04fc3f1272ea3fc1379b2c849962b1e687
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4676-3-0x0000000000CC0000-0x0000000000D4C000-memory.dmp

        memory/4676-11-0x0000000000CC0000-0x0000000000D4C000-memory.dmp

        memory/4676-38-0x0000000000CC0000-0x0000000000D4C000-memory.dmp

        memory/5596-0-0x00000000003F0000-0x000000000047C000-memory.dmp

        memory/5596-10-0x00000000003F0000-0x000000000047C000-memory.dmp