Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    09/05/2026, 00:57

General

  • Target
    2026-05-09_6b1c2fd0414f4035da97886c43665097_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 638KB
  • Sample260509-ba5a4act7r
  • SHA256 e0c51dd3a6d3ab6ff13afeed72d3c62206f88f525d7b532a1af811a7e69d9a32
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    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 17 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
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-09_6b1c2fd0414f4035da97886c43665097_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-09_6b1c2fd0414f4035da97886c43665097_amadey_coinminer_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:1064
  • C:\Windows\Syswow64\c37e2c40
    C:\Windows\Syswow64\c37e2c40
    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
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4800

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        c37e2c40

        • Path C:\Windows\SysWOW64\c37e2c40
        • Size 638KB
        • SHA256 b26afaeec8f9a61c13678848d391767b0fe7d563cdba474be6fcebaf3f0a7ffb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1064-0-0x0000000000760000-0x00000000007EC000-memory.dmp

        memory/1064-48-0x0000000003DC0000-0x0000000003EBE000-memory.dmp

        memory/1064-12-0x0000000000760000-0x00000000007EC000-memory.dmp

        memory/1064-43-0x0000000003DC0000-0x0000000003EBE000-memory.dmp

        memory/1064-35-0x0000000003DC0000-0x0000000003EBE000-memory.dmp

        memory/4800-18-0x0000000002840000-0x000000000293E000-memory.dmp

        memory/4800-13-0x0000000002840000-0x000000000293E000-memory.dmp

        memory/4800-36-0x0000000002840000-0x000000000293E000-memory.dmp

        memory/4800-40-0x0000000002840000-0x000000000293E000-memory.dmp

        memory/4800-42-0x0000000000E50000-0x0000000000EDC000-memory.dmp

        memory/4800-14-0x0000000000E50000-0x0000000000EDC000-memory.dmp

        memory/4800-4-0x0000000000E50000-0x0000000000EDC000-memory.dmp