Analysis
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max time kernel
106s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20250313-en -
resource tags
arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system -
submitted
19/03/2025, 03:44
Static task
static1
Behavioral task
behavioral1
Sample
a2c99657a4ad9ee39ac142a3a531378b58b716cc08af27046667cee10c3c07d2.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a2c99657a4ad9ee39ac142a3a531378b58b716cc08af27046667cee10c3c07d2.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20250313-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20250314-en
General
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Target
$PLUGINSDIR/LangDLL.dll
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Size
5KB
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MD5
174708997758321cf926b69318c6c3f5
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SHA1
645488089bf320f6864e0d0bc284c85216e56fbd
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SHA256
f577b66492e97c7b8bf515398d8deb745abafd74f56fc03e67fce248ebbeb873
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SHA512
214433597e04ca1ff9b4fe092d5d2997707a7c56f0f82c85d586088a200e4455028f3b9427d87b4f06f9252557d5be4b7a9138ea6a8d045df6209421fd8ca054
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SSDEEP
48:S46+/ZTKYKxbWsptIpBtWZ0iV8jAWiAJCvxft2O2B8mCofjLl:zDuPbOBtWZBV8jAWiAJCdv2CmpL
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 4016 3604 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 3696 wrote to memory of 3604 3696 rundll32.exe 84 PID 3696 wrote to memory of 3604 3696 rundll32.exe 84 PID 3696 wrote to memory of 3604 3696 rundll32.exe 84
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:3696 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3604 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 6043⤵
- Program crash
PID:4016
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3604 -ip 36041⤵PID:5212