Analysis
- max time kernel
105s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20250502-en - resource tags
arch:x64arch:x86image:win10v2004-20250502-enlocale:en-usos:windows10-2004-x64system - submitted
02/07/2025, 04:55
Static task
static1
Behavioral task
behavioral1
Sample
258292744-055928-sanlccjavap0003-9563.exe
Resource
win10v2004-20250502-en
Behavioral task
behavioral2
Sample
258292744-055928-sanlccjavap0003-9563.exe
Resource
win11-20250610-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20250502-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win11-20250619-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20250610-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win11-20250610-en
General
- Target $PLUGINSDIR/LangDLL.dll
- Size 5KB
- Sample250702-fkhmasstdv
- SHA256 5bee24fef5c0f643adc7ee02ccb6e80a72a4eb30d9d326023ac03f0ffbc4e624
- MD5 376c1b784a3cca9d10ba4ca5d8cb55d2
- SHA1 ad12f8ebab5b4b58eb7d5368469e82e2442b089f
- SHA512 6f02f0d878c228de114dee6b0df85152745b43893a252b2e9c309ba943ea56ab1ee678e42d9b0a89162e2bda627d396c2933c02e1c42d0169ac6e05ff3af4bbb
- SSDEEP 48:S46+/pTKYKxbWsptIpBtWZ0iV8jAWiAJCvxft2O2B8mzofjLl:zfuPbOBtWZBV8jAWiAJCdv2CmmL
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 6120 6020 WerFault.exe 84 - 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 5144 wrote to memory of 6020 5144 rundll32.exe 84 PID 5144 wrote to memory of 6020 5144 rundll32.exe 84 PID 5144 wrote to memory of 6020 5144 rundll32.exe 84
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:5144 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:6020 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 6020 -s 6003⤵
- Program crash
PID:6120
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 6020 -ip 60201⤵PID:4772