Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    17/04/2026, 03:30

General

  • Target
    2026-04-17_3793ddb56eb994b5e13ad4d2f2beefa9_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe
  • Size 832KB
  • Sample260417-d2p2lahs8x
  • SHA256 ee64ee144812acf2a9f4640c6615e5d87275ac9e97c8ec1a7fb7a85e13ef5978
  • 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 5 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\2026-04-17_3793ddb56eb994b5e13ad4d2f2beefa9_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-17_3793ddb56eb994b5e13ad4d2f2beefa9_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.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:3968
  • C:\Windows\Syswow64\361e5cf1
    C:\Windows\Syswow64\361e5cf1
    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:3492

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        361e5cf1

        • Path C:\Windows\SysWOW64\361e5cf1
        • Size 832KB
        • SHA256 e1ebace0639436b3c6fd5f908410cc47259edd098072e1ae2654d7a876e9fe74
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3492-3-0x0000000000920000-0x00000000009AC000-memory.dmp

        memory/3492-11-0x0000000002450000-0x00000000024B4000-memory.dmp

        memory/3492-12-0x0000000000920000-0x00000000009AC000-memory.dmp

        memory/3492-34-0x0000000000920000-0x00000000009AC000-memory.dmp

        memory/3968-0-0x0000000000BF0000-0x0000000000C7C000-memory.dmp

        memory/3968-10-0x0000000000BF0000-0x0000000000C7C000-memory.dmp

        memory/3968-27-0x00000000034E0000-0x0000000003544000-memory.dmp