Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/06/2026, 01:01

General

  • Target
    2026-06-29_fa9c14d4567ca6b757d2e352984ea627_elex_gh0st-rat_wannacry.exe
  • Size 50KB
  • Sample260630-bdevlsbv3y
  • SHA256 a85783b388cb5c55607feaae6556cc1102f7791267913fb0580e1a769a8d3028
  • 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\2026-06-29_fa9c14d4567ca6b757d2e352984ea627_elex_gh0st-rat_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-29_fa9c14d4567ca6b757d2e352984ea627_elex_gh0st-rat_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:4700
  • C:\Windows\SysWOW64\mesuau.exe
    C:\Windows\SysWOW64\mesuau.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:3508

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCX9B1E.tmp

        • Path C:\RCX9B1E.tmp
        • Size 50KB
        • SHA256 7d83f483f34e522a67dd0709a5cf37cab8d704114c016b7fd7e41764f4bd4ff9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mesuau.exe

        • Path C:\Windows\SysWOW64\mesuau.exe
        • Size 50KB
        • SHA256 a85783b388cb5c55607feaae6556cc1102f7791267913fb0580e1a769a8d3028
        • MD5 SHA1 SHA512 SSDEEP TLSH