Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/04/2026, 04:33

General

  • Target
    2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
  • Size 830KB
  • Sample260422-e6jwtag14j
  • SHA256 8e9e9224d5cfa9204b3fc608dd20784c4fceb3bbd3be4638c042c3143f2199e9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

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 19 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\2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_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:2888
  • C:\Windows\Syswow64\c9186a00
    C:\Windows\Syswow64\c9186a00
    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:1084

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        c9186a00

        • Path C:\Windows\SysWOW64\c9186a00
        • Size 830KB
        • SHA256 cbf5c53e91c6d253bf120f96e726c9366cda81d9bf4a148ac61fdf648a598789
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1084-3-0x0000000000300000-0x000000000038C000-memory.dmp

        memory/1084-13-0x0000000000300000-0x000000000038C000-memory.dmp

        memory/1084-29-0x0000000000300000-0x000000000038C000-memory.dmp

        memory/2888-0-0x0000000000440000-0x00000000004CC000-memory.dmp

        memory/2888-12-0x0000000000440000-0x00000000004CC000-memory.dmp