Overview

overview

10

Static

static

10

2026-10-01...op.exe

windows10-2004-x64

9

2026-10-01...op.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/10/2026, 05:59

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General

  • Target
    2026-10-01_adbac9da4e9a21c72de58dba3196ab8d_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe
  • Size 832KB
  • Sample261002-gpv9ma1s2n
  • SHA256 24379a5bc14cc2c65f643b47893f44e6731c78bd575d9382d8874a91509d9961
  • 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 26 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
  • 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\2026-10-01_adbac9da4e9a21c72de58dba3196ab8d_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-01_adbac9da4e9a21c72de58dba3196ab8d_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.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:3352
  • C:\Windows\Syswow64\d38e8c8d
    C:\Windows\Syswow64\d38e8c8d
    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:792
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:948

    Network

          MITRE ATT&CK Enterprise v16

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          Downloads

          d38e8c8d
          • Path C:\Windows\SysWOW64\d38e8c8d
          • Size 832KB
          • SHA256 848154f15a3feb33673e6d09c7035c2dbe7fbc1f2429b5ba2f49af52b0d11eef
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/792-3-0x00000000007A0000-0x000000000082C000-memory.dmp
          Download

          memory/792-21-0x00000000007A0000-0x000000000082C000-memory.dmp
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          memory/792-46-0x00000000007A0000-0x000000000082C000-memory.dmp
          Download

          memory/3352-0-0x0000000000CF0000-0x0000000000D7C000-memory.dmp
          Download

          memory/3352-20-0x0000000000CF0000-0x0000000000D7C000-memory.dmp
          Download