Overview
overview
10Static
static
9Captiva.exe
windows7-x64
10Captiva.exe
windows10-2004-x64
10autoexec/bin.dll
windows7-x64
3autoexec/bin.dll
windows10-2004-x64
3locales/re...ng.dll
windows7-x64
1locales/re...ng.dll
windows10-2004-x64
1locales/re...ng.dll
windows7-x64
1locales/re...ng.dll
windows10-2004-x64
1locales/re...ng.dll
windows7-x64
3locales/re...ng.dll
windows10-2004-x64
1locales/re...er.dll
windows7-x64
1locales/re...er.dll
windows10-2004-x64
1locales/re...-1.dll
windows7-x64
1locales/re...-1.dll
windows10-2004-x64
1runtimes/w...er.dll
windows7-x64
1runtimes/w...er.dll
windows10-2004-x64
1runtimes/w...er.dll
windows7-x64
1runtimes/w...er.dll
windows10-2004-x64
1runtimes/w...er.dll
windows7-x64
3runtimes/w...er.dll
windows10-2004-x64
3scripts/Dex.js
windows7-x64
3scripts/Dex.js
windows10-2004-x64
3scripts/In...eld.js
windows7-x64
3scripts/In...eld.js
windows10-2004-x64
3scripts/UN...Env.js
windows7-x64
3scripts/UN...Env.js
windows10-2004-x64
3Analysis
-
max time kernel
121s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28/02/2025, 06:14
Behavioral task
behavioral1
Sample
Captiva.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Captiva.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral3
Sample
autoexec/bin.dll
Resource
win7-20250207-en
Behavioral task
behavioral4
Sample
autoexec/bin.dll
Resource
win10v2004-20250217-en
Behavioral task
behavioral5
Sample
locales/resources/app.asar.unpacked/node_modules/btime/binding.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
locales/resources/app.asar.unpacked/node_modules/btime/binding.dll
Resource
win10v2004-20250217-en
Behavioral task
behavioral7
Sample
locales/resources/app.asar.unpacked/node_modules/get-fonts/binding.dll
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
locales/resources/app.asar.unpacked/node_modules/get-fonts/binding.dll
Resource
win10v2004-20250217-en
Behavioral task
behavioral9
Sample
locales/resources/app.asar.unpacked/node_modules/vibrancy-win/binding.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
locales/resources/app.asar.unpacked/node_modules/vibrancy-win/binding.dll
Resource
win10v2004-20250217-en
Behavioral task
behavioral11
Sample
locales/resources/vk_swiftshader.dll
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
locales/resources/vk_swiftshader.dll
Resource
win10v2004-20250217-en
Behavioral task
behavioral13
Sample
locales/resources/vulkan-1.dll
Resource
win7-20241010-en
Behavioral task
behavioral14
Sample
locales/resources/vulkan-1.dll
Resource
win10v2004-20250217-en
Behavioral task
behavioral15
Sample
runtimes/win-arm64/native/WebView2Loader.dll
Resource
win7-20241023-en
Behavioral task
behavioral16
Sample
runtimes/win-arm64/native/WebView2Loader.dll
Resource
win10v2004-20250217-en
Behavioral task
behavioral17
Sample
runtimes/win-x64/native/WebView2Loader.dll
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
runtimes/win-x64/native/WebView2Loader.dll
Resource
win10v2004-20250217-en
Behavioral task
behavioral19
Sample
runtimes/win-x86/native/WebView2Loader.dll
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
runtimes/win-x86/native/WebView2Loader.dll
Resource
win10v2004-20250217-en
Behavioral task
behavioral21
Sample
scripts/Dex.js
Resource
win7-20241023-en
Behavioral task
behavioral22
Sample
scripts/Dex.js
Resource
win10v2004-20250217-en
Behavioral task
behavioral23
Sample
scripts/Infinite Yield.js
Resource
win7-20250207-en
Behavioral task
behavioral24
Sample
scripts/Infinite Yield.js
Resource
win10v2004-20250217-en
Behavioral task
behavioral25
Sample
scripts/UNCCheckEnv.js
Resource
win7-20240729-en
Behavioral task
behavioral26
Sample
scripts/UNCCheckEnv.js
Resource
win10v2004-20250217-en
General
-
Target
runtimes/win-x86/native/WebView2Loader.dll
-
Size
112KB
-
MD5
d0b3cc3feef9a483b63d180ccdc1992a
-
SHA1
812388ee2b1bca8946203979c3f4c427aef22c1f
-
SHA256
fc14dc275026daba48c4014a0de0f4e228043fa899c9ae0308f6ea2c239af1f1
-
SHA512
2185b810fd90d812035543efbadd684c12f835e7dcfb949324daa5954950674aea621280a8f408e17deae8f01b2c19b6dce64238f2843e30a1dfcb8e449a980a
-
SSDEEP
3072:nsaDUh9T2dO9O3ed9zJ11Xx3QKHwsTPOEt+AlL0F3Hd:nsp9T2dO4o91MEt7h839
Malware Config
Signatures
-
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 7 IoCs
description pid Process procid_target PID 596 wrote to memory of 1992 596 rundll32.exe 31 PID 596 wrote to memory of 1992 596 rundll32.exe 31 PID 596 wrote to memory of 1992 596 rundll32.exe 31 PID 596 wrote to memory of 1992 596 rundll32.exe 31 PID 596 wrote to memory of 1992 596 rundll32.exe 31 PID 596 wrote to memory of 1992 596 rundll32.exe 31 PID 596 wrote to memory of 1992 596 rundll32.exe 31
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\runtimes\win-x86\native\WebView2Loader.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:596 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\runtimes\win-x86\native\WebView2Loader.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1992
-