Overview

overview

10

Static

static

3

2026-07-31...ry.exe

windows10-2004-x64

10

2026-07-31...ry.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-07-31_705f3c2c0fe91adf3448dd73dca06ef1_elex_wannacry
  • Size 101KB
  • Sample260731-rmyl3svblg
  • SHA256 59df21d5850aff8d08c61045ec1c33e16d77994e8781da10d5b523703dae0b0b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
farflibackdoorbootkitdiscoveryexecutionpersistencespywarestealer

Malware Config

Targets

    • Target
      2026-07-31_705f3c2c0fe91adf3448dd73dca06ef1_elex_wannacry
    • Size 101KB
    • SHA256 59df21d5850aff8d08c61045ec1c33e16d77994e8781da10d5b523703dae0b0b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoorbootkitdiscoveryexecutionfarflipersistencespywarestealer

    • Detects Farfli Backdoor

    • Family: Farfli

      Farfli is a Windows backdoor written in C++.

      backdoorfarfli

    • Detects executables containing base64 encoded User Agent

    • Badlisted process makes network request

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence
    behavioral1behavioral2

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

1
T1120

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
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

Tasks