Overview

overview

10

Static

static

3

2026-08-25...ry.exe

windows10-2004-x64

10

2026-08-25...ry.exe

windows11-ltsc_2024-x64

10

Resubmissions

26/08/2026, 14:27

260826-rshstaeq2110

26/08/2026, 14:17

260826-rl1eaaep4v10

Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/08/2026, 14:27

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General

  • Target
    2026-08-25_a87d9e1217c2adfe9fde6b09afb1c183_elex_wannacry.exe
  • Size 274KB
  • Sample260826-rshstaeq21
  • SHA256 a46371f7795b051569f6d6ec821c9e1489425ff1761a2c651670b2913d10efd3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoorbootkitdiscoveryexecutionfarflipersistencespywarestealerupx

Malware Config

Signatures

  • Family: Farfli

    Farfli is a Windows backdoor written in C++.

    backdoorfarfli
  • Detects Farfli Backdoor 3 IoCs
  • Badlisted process makes network request 5 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-25_a87d9e1217c2adfe9fde6b09afb1c183_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-25_a87d9e1217c2adfe9fde6b09afb1c183_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4276
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\rbinbwly.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-25_a87d9e1217c2adfe9fde6b09afb1c183_elex_wannacry.exe"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:5684
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1716
      • C:\Users\Admin\AppData\Local\Temp\rbinbwly.exe
        C:\Users\Admin\AppData\Local\Temp\\rbinbwly.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-25_a87d9e1217c2adfe9fde6b09afb1c183_elex_wannacry.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5464
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\fcnvi\neyoh.eon",RAFlush C:\Users\Admin\AppData\Local\Temp\rbinbwly.exe
          4⤵
          • Badlisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious use of AdjustPrivilegeToken
          PID:1320
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:2772
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:1436

    Network

          MITRE ATT&CK Enterprise v16

          Reconnaissance

          Resource Development

          Initial Access

          Execution

          Command and Scripting Interpreter

          1
          T1059

          Windows Command Shell

          1
          T1059.003

          Persistence

          Boot or Logon Autostart Execution

          1
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Pre-OS Boot

          1
          T1542

          Bootkit

          1
          T1542.003

          Privilege Escalation

          Boot or Logon Autostart Execution

          1
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Defense Evasion

          Modify Registry

          1
          T1112

          Pre-OS Boot

          1
          T1542

          Bootkit

          1
          T1542.003

          Credential Access

          Credentials from Password Stores

          1
          T1555

          Credentials from Web Browsers

          1
          T1555.003

          Unsecured Credentials

          1
          T1552

          Credentials In Files

          1
          T1552.001

          Discovery

          Peripheral Device Discovery

          2
          T1120

          Query Registry

          3
          T1012

          Remote System Discovery

          1
          T1018

          System Information Discovery

          3
          T1082

          System Location Discovery

          1
          T1614

          System Language Discovery

          1
          T1614.001

          System Network Configuration Discovery

          1
          T1016

          Internet Connection Discovery

          1
          T1016.001

          Lateral Movement

          Collection

          Data from Local System

          1
          T1005

          Command and Control

          Exfiltration

          Impact

          Replay Monitor

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          Downloads

          rbinbwly.exe
          • Path C:\Users\Admin\AppData\Local\Temp\rbinbwly.exe
          • Size 275KB
          • SHA256 e0bff01a57d7b4059e7d175dbbd00790fda62a72edb1be8e5ff0c2a6c029646a
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          neyoh.eon
          • Path \??\c:\fcnvi\neyoh.eon
          • Size 81KB
          • SHA256 2973a0957bd204e123307415bade58f84cdf272c659048a99bf42dfdb563415a
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/1320-10-0x0000000010000000-0x000000001003D000-memory.dmp
          Download

          memory/1320-41-0x0000000010000000-0x000000001003D000-memory.dmp
          Download

          memory/1320-38-0x0000000010000000-0x000000001003D000-memory.dmp
          Download

          memory/1320-9-0x0000000010000000-0x000000001003D000-memory.dmp
          Download

          memory/2772-13-0x00000262107D0000-0x00000262107D1000-memory.dmp
          Download

          memory/2772-11-0x00000262107D0000-0x00000262107D1000-memory.dmp
          Download

          memory/2772-22-0x00000262107D0000-0x00000262107D1000-memory.dmp
          Download

          memory/2772-18-0x00000262107D0000-0x00000262107D1000-memory.dmp
          Download

          memory/2772-21-0x00000262107D0000-0x00000262107D1000-memory.dmp
          Download

          memory/2772-20-0x00000262107D0000-0x00000262107D1000-memory.dmp
          Download

          memory/2772-19-0x00000262107D0000-0x00000262107D1000-memory.dmp
          Download

          memory/2772-17-0x00000262107D0000-0x00000262107D1000-memory.dmp
          Download

          memory/4276-0-0x0000000000400000-0x000000000043A000-memory.dmp
          Download

          memory/4276-2-0x0000000000400000-0x000000000043A000-memory.dmp
          Download

          memory/5464-6-0x0000000000400000-0x000000000043A000-memory.dmp
          Download