Analysis
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max time kernel
93s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
29-01-2025 08:36
Static task
static1
Behavioral task
behavioral1
Sample
FA25000003_PDF.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
FA25000003_PDF.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20241010-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
General
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Target
$PLUGINSDIR/LangDLL.dll
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Size
5KB
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MD5
f1e9eed02db3a822a7ddef0c724e5f1f
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SHA1
65864992f5b6c79c5efbefb5b1354648a8a86709
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SHA256
6dff504c6759c418c6635c9b25b8c91d0d9ef7787a3a93610d7670bb563c09df
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SHA512
c22b64fff76b25cf53231b8636f07b361d95791c4646787ce7beac27ad6a0de88337dcceb25b5196f97c452dda72e2614647f51a8a18cb4d5228a82ed2e0780c
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SSDEEP
48:S46+/fTKYKxbWsptIpBtWZ0iV8jAWiAJCvxft2O2B8mjsofjLl:zRuPbOBtWZBV8jAWiAJCdv2Cmj/L
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 4132 3480 WerFault.exe 82 -
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 1048 wrote to memory of 3480 1048 rundll32.exe 82 PID 1048 wrote to memory of 3480 1048 rundll32.exe 82 PID 1048 wrote to memory of 3480 1048 rundll32.exe 82
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1048 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3480 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3480 -s 6003⤵
- Program crash
PID:4132
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3480 -ip 34801⤵PID:3728