Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    20/04/2026, 05:43

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

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 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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3320
  • C:\Windows\Syswow64\88473d67
    C:\Windows\Syswow64\88473d67
    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:5124

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        88473d67

        • Path C:\Windows\SysWOW64\88473d67
        • Size 832KB
        • SHA256 6a2dbee9cd7d00a7cc623520a638c3aa08bb4f5df1ecc09973353ab9c8f5f29d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3320-0-0x0000000000730000-0x00000000007BC000-memory.dmp

        memory/3320-18-0x0000000000730000-0x00000000007BC000-memory.dmp

        memory/5124-3-0x00000000008F0000-0x000000000097C000-memory.dmp

        memory/5124-19-0x00000000008F0000-0x000000000097C000-memory.dmp

        memory/5124-30-0x00000000008F0000-0x000000000097C000-memory.dmp