Overview

overview

10

Static

static

10

2026-04-20...op.exe

windows10-2004-x64

9

2026-04-20...op.exe

windows11-21h2-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    20/04/2026, 05:43

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General

  • Target
    2026-04-20_9c79ca3c59f2ef95cbbf40ae2955e7d9_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe
  • Size 832KB
  • Sample260420-ge3kysd18x
  • SHA256 ad28dd5071a152bd3484ac4e3e024a65e05c567230690934eccbdd4034482926
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoveryspywaretrojanupx

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 15 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • 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.

    discovery
  • Modifies data under HKEY_USERS 9 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
    defense_evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-20_9c79ca3c59f2ef95cbbf40ae2955e7d9_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-20_9c79ca3c59f2ef95cbbf40ae2955e7d9_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
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2188
  • C:\Windows\Syswow64\19513feb
    C:\Windows\Syswow64\19513feb
    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:4148

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        19513feb
        • Path C:\Windows\SysWOW64\19513feb
        • Size 832KB
        • SHA256 056e15e98b9575e8443d25da82fac549a3d4bdf6b181e03c0be92af9cec77dc7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2188-0-0x0000000000170000-0x00000000001FC000-memory.dmp
        Download

        memory/2188-10-0x0000000000170000-0x00000000001FC000-memory.dmp
        Download

        memory/4148-3-0x0000000000B80000-0x0000000000C0C000-memory.dmp
        Download

        memory/4148-11-0x0000000000B80000-0x0000000000C0C000-memory.dmp
        Download

        memory/4148-28-0x0000000000B80000-0x0000000000C0C000-memory.dmp
        Download