Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    11/05/2026, 01:13

General

  • Target
    2026-05-11_4ccf53b2a56b3915a2cd541c6b4b9378_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 560KB
  • Sample260511-blbg6ahs81
  • SHA256 96f0bb11e9188c0144aff1feb7c5d53fab88b878ded27ee28ffd4f028d86faa1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • 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\2026-05-11_4ccf53b2a56b3915a2cd541c6b4b9378_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-11_4ccf53b2a56b3915a2cd541c6b4b9378_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.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:4532
  • C:\Windows\Syswow64\b90c63de
    C:\Windows\Syswow64\b90c63de
    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:3392

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        b90c63de

        • Path C:\Windows\SysWOW64\b90c63de
        • Size 560KB
        • SHA256 a1b12e15ba575508ec86064ab3223fd2b248c49d59b874664ecfbc3aa1f03d37
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3392-3-0x0000000000010000-0x000000000009C000-memory.dmp

        memory/3392-17-0x0000000000FB0000-0x0000000000FB7000-memory.dmp

        memory/3392-18-0x0000000000010000-0x000000000009C000-memory.dmp

        memory/3392-46-0x0000000000010000-0x000000000009C000-memory.dmp

        memory/4532-0-0x0000000000B80000-0x0000000000C0C000-memory.dmp

        memory/4532-15-0x0000000000B80000-0x0000000000C0C000-memory.dmp

        memory/4532-16-0x0000000000A80000-0x0000000000A87000-memory.dmp