Overview
overview
10Static
static
10Drk's Byfr...als.js
windows11-21h2-x64
3Drk's Byfr...rds.js
windows11-21h2-x64
3Drk's Byfr...ing.js
windows11-21h2-x64
3Drk's Byfr...rnl.js
windows11-21h2-x64
3Drk's Byfr...bug.js
windows11-21h2-x64
3Drk's Byfr...ath.js
windows11-21h2-x64
3Drk's Byfr...ble.js
windows11-21h2-x64
3Drk's Byfr...ask.js
windows11-21h2-x64
3Drk's Byfr...ble.js
windows11-21h2-x64
3Drk's Byfr...les.js
windows11-21h2-x64
3Drk's Byfr...ces.js
windows11-21h2-x64
3Drk's Byfr...pes.js
windows11-21h2-x64
3Drk's Byfr...ses.js
windows11-21h2-x64
3Drk's Byfr...ets.js
windows11-21h2-x64
3Drk's Byfr...lua.js
windows11-21h2-x64
3Drk's Byfr...ets.js
windows11-21h2-x64
3Drk's Byfr...ion.js
windows11-21h2-x64
3Drk's Byfr...ain.js
windows11-21h2-x64
3Drk's Byfr....de.js
windows11-21h2-x64
3Drk's Byfr....es.js
windows11-21h2-x64
3Drk's Byfr....fr.js
windows11-21h2-x64
3Drk's Byfr....it.js
windows11-21h2-x64
3Drk's Byfr....ja.js
windows11-21h2-x64
3Drk's Byfr...nls.js
windows11-21h2-x64
3Drk's Byfr....ko.js
windows11-21h2-x64
3Drk's Byfr....ru.js
windows11-21h2-x64
3Drk's Byfr...-cn.js
windows11-21h2-x64
3Drk's Byfr...-tw.js
windows11-21h2-x64
3Drk's Byfr...der.js
windows11-21h2-x64
3Drk's Byfr...er.dll
windows11-21h2-x64
1Drk's Byfr...er.dll
windows11-21h2-x64
1Drk's Byfr...er.dll
windows11-21h2-x64
3Analysis
-
max time kernel
92s -
max time network
96s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
14-10-2024 21:39
Behavioral task
behavioral1
Sample
Drk's ByfronFucker/bin/Monaco/vs/basic-languages/lua/autocompletes/globals.js
Resource
win11-20241007-en
Behavioral task
behavioral2
Sample
Drk's ByfronFucker/bin/Monaco/vs/basic-languages/lua/autocompletes/keywords.js
Resource
win11-20241007-en
Behavioral task
behavioral3
Sample
Drk's ByfronFucker/bin/Monaco/vs/basic-languages/lua/autocompletes/libraries/Drawing.js
Resource
win11-20241007-en
Behavioral task
behavioral4
Sample
Drk's ByfronFucker/bin/Monaco/vs/basic-languages/lua/autocompletes/libraries/Krnl.js
Resource
win11-20241007-en
Behavioral task
behavioral5
Sample
Drk's ByfronFucker/bin/Monaco/vs/basic-languages/lua/autocompletes/libraries/debug.js
Resource
win11-20241007-en
Behavioral task
behavioral6
Sample
Drk's ByfronFucker/bin/Monaco/vs/basic-languages/lua/autocompletes/libraries/math.js
Resource
win11-20241007-en
Behavioral task
behavioral7
Sample
Drk's ByfronFucker/bin/Monaco/vs/basic-languages/lua/autocompletes/libraries/table.js
Resource
win11-20241007-en
Behavioral task
behavioral8
Sample
Drk's ByfronFucker/bin/Monaco/vs/basic-languages/lua/autocompletes/libraries/task.js
Resource
win11-20241007-en
Behavioral task
behavioral9
Sample
Drk's ByfronFucker/bin/Monaco/vs/basic-languages/lua/autocompletes/modules-table.js
Resource
win11-20241007-en
Behavioral task
behavioral10
Sample
Drk's ByfronFucker/bin/Monaco/vs/basic-languages/lua/autocompletes/modules.js
Resource
win11-20241007-en
Behavioral task
behavioral11
Sample
Drk's ByfronFucker/bin/Monaco/vs/basic-languages/lua/autocompletes/params/DataModelServices.js
Resource
win11-20241007-en
Behavioral task
behavioral12
Sample
Drk's ByfronFucker/bin/Monaco/vs/basic-languages/lua/autocompletes/params/DrawingTypes.js
Resource
win11-20241007-en
Behavioral task
behavioral13
Sample
Drk's ByfronFucker/bin/Monaco/vs/basic-languages/lua/autocompletes/params/InstanceClasses.js
Resource
win11-20241007-en
Behavioral task
behavioral14
Sample
Drk's ByfronFucker/bin/Monaco/vs/basic-languages/lua/autocompletes/snippets.js
Resource
win11-20241007-en
Behavioral task
behavioral15
Sample
Drk's ByfronFucker/bin/Monaco/vs/basic-languages/lua/lua.js
Resource
win11-20240802-en
Behavioral task
behavioral16
Sample
Drk's ByfronFucker/bin/Monaco/vs/basic-languages/lua/snippets.js
Resource
win11-20241007-en
Behavioral task
behavioral17
Sample
Drk's ByfronFucker/bin/Monaco/vs/basic-languages/monaco.contribution.js
Resource
win11-20241007-en
Behavioral task
behavioral18
Sample
Drk's ByfronFucker/bin/Monaco/vs/editor/editor.main.js
Resource
win11-20241007-en
Behavioral task
behavioral19
Sample
Drk's ByfronFucker/bin/Monaco/vs/editor/editor.main.nls.de.js
Resource
win11-20241007-en
Behavioral task
behavioral20
Sample
Drk's ByfronFucker/bin/Monaco/vs/editor/editor.main.nls.es.js
Resource
win11-20241007-en
Behavioral task
behavioral21
Sample
Drk's ByfronFucker/bin/Monaco/vs/editor/editor.main.nls.fr.js
Resource
win11-20241007-en
Behavioral task
behavioral22
Sample
Drk's ByfronFucker/bin/Monaco/vs/editor/editor.main.nls.it.js
Resource
win11-20241007-en
Behavioral task
behavioral23
Sample
Drk's ByfronFucker/bin/Monaco/vs/editor/editor.main.nls.ja.js
Resource
win11-20241007-en
Behavioral task
behavioral24
Sample
Drk's ByfronFucker/bin/Monaco/vs/editor/editor.main.nls.js
Resource
win11-20241007-en
Behavioral task
behavioral25
Sample
Drk's ByfronFucker/bin/Monaco/vs/editor/editor.main.nls.ko.js
Resource
win11-20240802-en
Behavioral task
behavioral26
Sample
Drk's ByfronFucker/bin/Monaco/vs/editor/editor.main.nls.ru.js
Resource
win11-20241007-en
Behavioral task
behavioral27
Sample
Drk's ByfronFucker/bin/Monaco/vs/editor/editor.main.nls.zh-cn.js
Resource
win11-20241007-en
Behavioral task
behavioral28
Sample
Drk's ByfronFucker/bin/Monaco/vs/editor/editor.main.nls.zh-tw.js
Resource
win11-20241007-en
Behavioral task
behavioral29
Sample
Drk's ByfronFucker/bin/Monaco/vs/loader.js
Resource
win11-20241007-en
Behavioral task
behavioral30
Sample
Drk's ByfronFucker/runtimes/win-arm64/native/WebView2Loader.dll
Resource
win11-20241007-en
Behavioral task
behavioral31
Sample
Drk's ByfronFucker/runtimes/win-x64/native/WebView2Loader.dll
Resource
win11-20241007-en
Behavioral task
behavioral32
Sample
Drk's ByfronFucker/runtimes/win-x86/native/WebView2Loader.dll
Resource
win11-20241007-en
General
-
Target
Drk's ByfronFucker/runtimes/win-x86/native/WebView2Loader.dll
-
Size
112KB
-
MD5
d0b3cc3feef9a483b63d180ccdc1992a
-
SHA1
812388ee2b1bca8946203979c3f4c427aef22c1f
-
SHA256
fc14dc275026daba48c4014a0de0f4e228043fa899c9ae0308f6ea2c239af1f1
-
SHA512
2185b810fd90d812035543efbadd684c12f835e7dcfb949324daa5954950674aea621280a8f408e17deae8f01b2c19b6dce64238f2843e30a1dfcb8e449a980a
-
SSDEEP
3072:nsaDUh9T2dO9O3ed9zJ11Xx3QKHwsTPOEt+AlL0F3Hd:nsp9T2dO4o91MEt7h839
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 6132 2440 WerFault.exe 78 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2872 wrote to memory of 2440 2872 rundll32.exe 78 PID 2872 wrote to memory of 2440 2872 rundll32.exe 78 PID 2872 wrote to memory of 2440 2872 rundll32.exe 78
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\Drk's ByfronFucker\runtimes\win-x86\native\WebView2Loader.dll",#11⤵
- Suspicious use of WriteProcessMemory
PID:2872 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\Drk's ByfronFucker\runtimes\win-x86\native\WebView2Loader.dll",#12⤵
- System Location Discovery: System Language Discovery
PID:2440 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2440 -s 4483⤵
- Program crash
PID:6132
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2440 -ip 24401⤵PID:5208