Analysis
- max time kernel
133s - max time network
135s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system - submitted
08/06/2024, 16:18
Behavioral task
behavioral1
Sample
Electric.rar
Resource
win10-20240404-en
windows10-1703-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
ByfronHook.dll.txt
Resource
win10-20240404-en
windows10-1703-x64
1 signatures
150 seconds
Behavioral task
behavioral3
Sample
Electric.exe
Resource
win10-20240404-en
windows10-1703-x64
8 signatures
150 seconds
Behavioral task
behavioral4
Sample
blxstealer.pyc
Resource
win10-20240404-en
windows10-1703-x64
7 signatures
150 seconds
Behavioral task
behavioral5
Sample
README.md
Resource
win10-20240404-en
windows10-1703-x64
3 signatures
150 seconds
Behavioral task
behavioral6
Sample
instructions.txt
Resource
win10-20240404-en
windows10-1703-x64
1 signatures
150 seconds
Behavioral task
behavioral7
Sample
license.txt
Resource
win10-20240404-en
windows10-1703-x64
1 signatures
150 seconds
General
- Target blxstealer.pyc
- Size 40KB
- Sample240608-tr5bjadb81
- SHA256 429107a9b3716479f48147c1de776bb5e41d8a29de248893378e9483e1d70d96
- MD5 f91a2cad1ee847984dfde520d8dfb693
- SHA1 10d295589a036c1c8ba85db9b6067f381dc44603
- SHA512 8c9fbf28ae1134cc549356e4938278d1d77981c4a52e4170f13da7603a508ee05a01464764f806144f8d1a914f910b78932d7025b37fc040cc0dc94b1323542e
- SSDEEP 768:zUq+ewxN8R6PjYHA1LgKoX3d7bCsmySr5VUIHrseH53A2UcVAQnb0RwC:DKuRqt2ksmywVlflUcOQQR9
- MD5 SHA1 SHA512 SSDEEP
Score
3/10
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings OpenWith.exe - Opens file in notepad (likely ransom note) 1 IoCs
pid Process 1972 NOTEPAD.EXE - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4556 OpenWith.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1972 NOTEPAD.EXE - Suspicious use of SetWindowsHookEx 64 IoCs
pid Process 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe 4556 OpenWith.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4556 wrote to memory of 1972 4556 OpenWith.exe 75 PID 4556 wrote to memory of 1972 4556 OpenWith.exe 75
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\blxstealer.pyc1⤵
- Modifies registry class
PID:4540
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4556 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\blxstealer.pyc2⤵
- Opens file in notepad (likely ransom note)
- Suspicious use of FindShellTrayWindow
PID:1972
-