Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/08/2026, 23:55

General

  • Target
    2026-08-05_b52a4d1f24d6e56c8c0c9edbd65de23c_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260805-3yrhpayeld
  • SHA256 167d4d8059441d942a2984baeaca98861fb344b6db35f06e01058d7eb6e7b6a3
  • 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 4 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\2026-08-05_b52a4d1f24d6e56c8c0c9edbd65de23c_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-05_b52a4d1f24d6e56c8c0c9edbd65de23c_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:4768
  • C:\Windows\Syswow64\863bffa6
    C:\Windows\Syswow64\863bffa6
    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
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4936

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        863bffa6

        • Path C:\Windows\SysWOW64\863bffa6
        • Size 1.7MB
        • SHA256 51f585a911358850624ca03836cb295158ad04c5df0aa629bad4ac9e05d200f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4768-0-0x0000000000390000-0x000000000041C000-memory.dmp

        memory/4768-12-0x0000000000390000-0x000000000041C000-memory.dmp

        memory/4936-3-0x0000000000CC0000-0x0000000000D4C000-memory.dmp

        memory/4936-13-0x0000000000CC0000-0x0000000000D4C000-memory.dmp

        memory/4936-30-0x0000000000CC0000-0x0000000000D4C000-memory.dmp