Analysis
- max time kernel
143s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
26/08/2024, 15:50
Static task
static1
Behavioral task
behavioral1
Sample
IMG_0000053Legal_warning_Invoices.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
IMG_0000053Legal_warning_Invoices.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win7-20240705-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240708-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
General
- Target $PLUGINSDIR/System.dll
- Size 11KB
- Sample240826-taaetstbpp
- SHA256 7e75f148920db6300dad5a1c12fd5d6eecc95698a310a01311181bc98a704d55
- MD5 c61501f07cf09bcfcdfe4cc8a1ebbbe3
- SHA1 e8581b4359651b857646ae727efaaef372daa0fc
- SHA512 9837abe7ec3fa0f1f5193968d12b7ca1893e34eddf628db1f7ab6715b4de339231f0ec1b5f0f86c767f5a30c40da5c4a95e99deedd22eece93cb0d00539aad24
- SSDEEP 192:Kk09rQDenC9VrcK7REgSWOprANupQYLRszDDH/d9CWlXo7U6Wxf:Kk0JQEaVAK7R9SfpjpQYLRszfH/d9CWv
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 1764 1052 WerFault.exe 83 - 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 3632 wrote to memory of 1052 3632 rundll32.exe 83 PID 3632 wrote to memory of 1052 3632 rundll32.exe 83 PID 3632 wrote to memory of 1052 3632 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3632 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1052 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1052 -s 6123⤵
- Program crash
PID:1764
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1052 -ip 10521⤵PID:4464