Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/08/2026, 18:53

General

  • Target
    2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe
  • Size 832KB
  • Sample260808-xjnwcsshjh
  • SHA256 41d5386b57871c10073d161fe6471d9badaaf215bdb513044485e71ae4f45458
  • 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 15 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 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-08_70e19561be1cb24163d49789ee5b7905_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:4100
  • C:\Windows\Syswow64\f8e98fc4
    C:\Windows\Syswow64\f8e98fc4
    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:904
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:6032

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          f8e98fc4

          • Path C:\Windows\SysWOW64\f8e98fc4
          • Size 832KB
          • SHA256 a2fbe4c83c0fcb06405ebd3719cfc599cf7f073f2eef96a1d5e4b3b8c9f9b857
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/904-3-0x0000000000630000-0x00000000006BC000-memory.dmp

          memory/904-19-0x0000000000630000-0x00000000006BC000-memory.dmp

          memory/904-34-0x0000000000630000-0x00000000006BC000-memory.dmp

          memory/4100-0-0x00000000000A0000-0x000000000012C000-memory.dmp

          memory/4100-18-0x00000000000A0000-0x000000000012C000-memory.dmp