Overview

overview

10

Static

static

10

2026-08-22...op.exe

windows10-2004-x64

9

2026-08-22...op.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/08/2026, 03:11

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General

  • Target
    2026-08-22_a70052a0e20e4d01be7e8d8a94c58c4a_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe
  • Size 832KB
  • Sample260823-dpl46shb72
  • SHA256 786d1e0b2f3dc26c79ef45b1768de8367f537e3366cdd001525088e6bedf486f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
discoveryupx

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 11 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
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-22_a70052a0e20e4d01be7e8d8a94c58c4a_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-22_a70052a0e20e4d01be7e8d8a94c58c4a_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:1544
  • C:\Windows\Syswow64\56bf0785
    C:\Windows\Syswow64\56bf0785
    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:4416

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        56bf0785
        • Path C:\Windows\SysWOW64\56bf0785
        • Size 832KB
        • SHA256 62f81e457e1180d7e9e0a27e9550f80ef4f6d302f04dc70e98a990c96a474689
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1544-0-0x0000000000660000-0x00000000006EC000-memory.dmp
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        memory/1544-13-0x0000000000660000-0x00000000006EC000-memory.dmp
        Download

        memory/4416-3-0x0000000000600000-0x000000000068C000-memory.dmp
        Download

        memory/4416-14-0x0000000000600000-0x000000000068C000-memory.dmp
        Download

        memory/4416-25-0x0000000000600000-0x000000000068C000-memory.dmp
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