Overview
overview
7Static
static
1fsociety-r...er.zip
windows10-2004-x64
1fsociety-r...er.zip
windows11-ltsc_2024-x64
1fsociety-r...DME.md
windows10-2004-x64
3fsociety-r...DME.md
windows11-ltsc_2024-x64
3fsociety-r...ql.sql
windows10-2004-x64
3fsociety-r...ql.sql
windows11-ltsc_2024-x64
3fsociety-r...ig.php
windows10-2004-x64
3fsociety-r...ig.php
windows11-ltsc_2024-x64
3fsociety-r...es.css
windows10-2004-x64
7fsociety-r...es.css
windows11-ltsc_2024-x64
3fsociety-r...er.jpg
windows10-2004-x64
1fsociety-r...er.jpg
windows11-ltsc_2024-x64
1fsociety-r...er.png
windows10-2004-x64
1fsociety-r...er.png
windows11-ltsc_2024-x64
1fsociety-r...ex.php
windows10-2004-x64
3fsociety-r...ex.php
windows11-ltsc_2024-x64
3fsociety-r...et.php
windows10-2004-x64
3fsociety-r...et.php
windows11-ltsc_2024-x64
3fsociety-r...ay.cpp
windows10-2004-x64
3fsociety-r...ay.cpp
windows11-ltsc_2024-x64
3fsociety-r..._day.h
windows10-2004-x64
3fsociety-r..._day.h
windows11-ltsc_2024-x64
3fsociety-r...ty.cpp
windows10-2004-x64
3fsociety-r...ty.cpp
windows11-ltsc_2024-x64
3fsociety-r...iety.h
windows10-2004-x64
3fsociety-r...iety.h
windows11-ltsc_2024-x64
3fsociety-r...in.cpp
windows10-2004-x64
3fsociety-r...in.cpp
windows11-ltsc_2024-x64
3Analysis
- max time kernel
149s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
11/07/2026, 23:03
Static task
static1
Behavioral task
behavioral1
Sample
fsociety-ransomware-MrRobot-master.zip
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
fsociety-ransomware-MrRobot-master.zip
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
fsociety-ransomware-MrRobot-master/README.md
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
fsociety-ransomware-MrRobot-master/README.md
Resource
win11ltsc2024-20260710-en
Behavioral task
behavioral5
Sample
fsociety-ransomware-MrRobot-master/SQL/sql.sql
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
fsociety-ransomware-MrRobot-master/SQL/sql.sql
Resource
win11ltsc2024-20260710-en
Behavioral task
behavioral7
Sample
fsociety-ransomware-MrRobot-master/pages/config/config.php
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
fsociety-ransomware-MrRobot-master/pages/config/config.php
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral9
Sample
fsociety-ransomware-MrRobot-master/pages/css/styles.css
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
fsociety-ransomware-MrRobot-master/pages/css/styles.css
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral11
Sample
fsociety-ransomware-MrRobot-master/pages/images/jester.jpg
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
fsociety-ransomware-MrRobot-master/pages/images/jester.jpg
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral13
Sample
fsociety-ransomware-MrRobot-master/pages/images/jester.png
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
fsociety-ransomware-MrRobot-master/pages/images/jester.png
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral15
Sample
fsociety-ransomware-MrRobot-master/pages/index.php
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
fsociety-ransomware-MrRobot-master/pages/index.php
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral17
Sample
fsociety-ransomware-MrRobot-master/pages/target.php
Resource
win10v2004-20260513-en
Behavioral task
behavioral18
Sample
fsociety-ransomware-MrRobot-master/pages/target.php
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral19
Sample
fsociety-ransomware-MrRobot-master/source/after_day.cpp
Resource
win10v2004-20260513-en
Behavioral task
behavioral20
Sample
fsociety-ransomware-MrRobot-master/source/after_day.cpp
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral21
Sample
fsociety-ransomware-MrRobot-master/source/after_day.h
Resource
win10v2004-20260513-en
Behavioral task
behavioral22
Sample
fsociety-ransomware-MrRobot-master/source/after_day.h
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral23
Sample
fsociety-ransomware-MrRobot-master/source/fsociety.cpp
Resource
win10v2004-20260513-en
Behavioral task
behavioral24
Sample
fsociety-ransomware-MrRobot-master/source/fsociety.cpp
Resource
win11ltsc2024-20260710-en
Behavioral task
behavioral25
Sample
fsociety-ransomware-MrRobot-master/source/fsociety.h
Resource
win10v2004-20260513-en
Behavioral task
behavioral26
Sample
fsociety-ransomware-MrRobot-master/source/fsociety.h
Resource
win11ltsc2024-20260710-en
Behavioral task
behavioral27
Sample
fsociety-ransomware-MrRobot-master/source/main.cpp
Resource
win10v2004-20260513-en
Behavioral task
behavioral28
Sample
fsociety-ransomware-MrRobot-master/source/main.cpp
Resource
win11ltsc2024-20260709-en
General
- Target fsociety-ransomware-MrRobot-master/pages/css/styles.css
- Size 1KB
- Sample260711-2134tsds2x
- SHA256 ebe91b710c7e72d85070d925dddaa74eab06868d811708bc6c50502166d42da4
- MD5 a241ac46f1d3ba23a0dd47833b1cc2b8
- SHA1 bfc434540889d026c81d2aac9ce733a39e2a635a
- SHA512 684a382aef12e8cbc7561a0ccb8143fb52e45886a53a57f41ce0b205c2a75b117cae2f178b24f3d6033b2a96097c6a95e0c0ff762a13b475dd6f7e299e505d8e
- TLSH T1483154928EB3084EF4A388EE2BF54A1A23C84447530FC62B3F817198CF44689607334D
- MD5 SHA1 SHA512 TLSH
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\Control Panel\International\Geo\Nation cmd.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000_Classes\Local Settings cmd.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4316 wrote to memory of 4588 4316 cmd.exe 87
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\fsociety-ransomware-MrRobot-master\pages\css\styles.css1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4316 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\fsociety-ransomware-MrRobot-master\pages\css\styles.css2⤵PID:4588
-