Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    16/08/2026, 17:54

General

  • Target
    2026-08-16_6206e45214d76476e666326d3bab9530_elex_gh0st-rat_remcos_wannacry.exe
  • Size 50KB
  • Sample260816-wg178stdnc
  • SHA256 9a593262a389f6e6d83dac4c39a48e1290dd958c58aa5ab4f924ffe8f38ba8cc
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detects Windows executables referencing non-Windows User-Agents 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates connected drives 3 TTPs 4 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-16_6206e45214d76476e666326d3bab9530_elex_gh0st-rat_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-16_6206e45214d76476e666326d3bab9530_elex_gh0st-rat_remcos_wannacry.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    PID:4248
  • C:\Windows\SysWOW64\pujbuc.exe
    C:\Windows\SysWOW64\pujbuc.exe
    1⤵
    • Executes dropped EXE
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:764

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCXF17B.tmp

        • Path C:\RCXF17B.tmp
        • Size 50KB
        • SHA256 84cb51ba92321ff3443132f8f15e534263fe9814ee41bd0e310da674038f50b8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pujbuc.exe

        • Path C:\Windows\SysWOW64\pujbuc.exe
        • Size 50KB
        • SHA256 9a593262a389f6e6d83dac4c39a48e1290dd958c58aa5ab4f924ffe8f38ba8cc
        • MD5 SHA1 SHA512 SSDEEP TLSH