Overview

overview

10

Static

static

10

2026-10-26...ee.exe

windows10-2004-x64

9

2026-10-26...ee.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/10/2026, 10:28

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General

  • Target
    2026-10-26_a134e2f82100c00c40e7931691c4d208_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.1MB
  • Sample261027-mh7a7stsdw
  • SHA256 5aa12e86afc1eae645770fc39217c19a8ca64c420701dde731b5d785990845d6
  • 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 18 IoCs

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

  • Drops file in System32 directory 13 IoCs
  • UPX packed file 6 IoCs

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

    upx
  • Drops file in Windows directory 2 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • 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 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-26_a134e2f82100c00c40e7931691c4d208_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-26_a134e2f82100c00c40e7931691c4d208_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
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4640
  • C:\Windows\Syswow64\c8b7040c
    C:\Windows\Syswow64\c8b7040c
    1⤵
    • Executes dropped EXE
    • Unexpected DNS network traffic destination
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4620

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        c8b7040c
        • Path C:\Windows\SysWOW64\c8b7040c
        • Size 1.1MB
        • SHA256 c222df492ac819c97a699866b118ef6409808ec65169abd11584132600a5c8d9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4620-3-0x0000000000B20000-0x0000000000BAC000-memory.dmp
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        memory/4620-19-0x0000000000B20000-0x0000000000BAC000-memory.dmp
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        memory/4620-40-0x0000000000B20000-0x0000000000BAC000-memory.dmp
        Download

        memory/4640-0-0x0000000000A30000-0x0000000000ABC000-memory.dmp
        Download

        memory/4640-16-0x0000000000A30000-0x0000000000ABC000-memory.dmp
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