Overview
overview
10Static
static
3Invoice-541221.exe
windows7-x64
4Invoice-541221.exe
windows10-2004-x64
10$PLUGINSDIR/NAct.dll
windows7-x64
3$PLUGINSDIR/NAct.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDIR/UAC.dll
windows7-x64
3$PLUGINSDIR/UAC.dll
windows10-2004-x64
3$PLUGINSDI...fo.dll
windows7-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$TEMP/PDF ...DS.exe
windows7-x64
7$TEMP/PDF ...DS.exe
windows10-2004-x64
10Analysis
-
max time kernel
122s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
15-08-2024 15:38
Behavioral task
behavioral1
Sample
Invoice-541221.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
Invoice-541221.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/NAct.dll
Resource
win7-20240705-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/NAct.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
Behavioral task
behavioral7
Sample
$PLUGINSDIR/UAC.dll
Resource
win7-20240704-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/UAC.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win7-20240729-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240704-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
$TEMP/PDF READER/@New_x32DS.exe
Resource
win7-20240705-en
Behavioral task
behavioral14
Sample
$TEMP/PDF READER/@New_x32DS.exe
Resource
win10v2004-20240802-en
General
-
Target
$PLUGINSDIR/UserInfo.dll
-
Size
4KB
-
MD5
c7ce0e47c83525983fd2c4c9566b4aad
-
SHA1
38b7ad7bb32ffae35540fce373b8a671878dc54e
-
SHA256
6293408a5fa6d0f55f0a4d01528eb5b807ee9447a75a28b5986267475ebcd3ae
-
SHA512
ee9f23ea5210f418d4c559628bbfb3a0f892440bcd5dc4c1901cb8e510078e4481ea8353b262795076a19055e70b88e08fee5fb7e8f35a6f49022096408df20e
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 2300 3004 WerFault.exe 30 -
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 11 IoCs
description pid Process procid_target PID 2888 wrote to memory of 3004 2888 rundll32.exe 30 PID 2888 wrote to memory of 3004 2888 rundll32.exe 30 PID 2888 wrote to memory of 3004 2888 rundll32.exe 30 PID 2888 wrote to memory of 3004 2888 rundll32.exe 30 PID 2888 wrote to memory of 3004 2888 rundll32.exe 30 PID 2888 wrote to memory of 3004 2888 rundll32.exe 30 PID 2888 wrote to memory of 3004 2888 rundll32.exe 30 PID 3004 wrote to memory of 2300 3004 rundll32.exe 31 PID 3004 wrote to memory of 2300 3004 rundll32.exe 31 PID 3004 wrote to memory of 2300 3004 rundll32.exe 31 PID 3004 wrote to memory of 2300 3004 rundll32.exe 31
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2888 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3004 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 2203⤵
- Program crash
PID:2300
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