Overview
overview
8Static
static
3f80bc12ffe...51.exe
windows7-x64
8f80bc12ffe...51.exe
windows10-2004-x64
8kcinst.exe
windows7-x64
1kcinst.exe
windows10-2004-x64
1kcinst32.dll
windows7-x64
1kcinst32.dll
windows10-2004-x64
1letsvpn-latest.exe
windows7-x64
8letsvpn-latest.exe
windows10-2004-x64
8$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...ss.dll
windows7-x64
3$PLUGINSDI...ss.dll
windows10-2004-x64
3driver/tap0901.sys
windows10-2004-x64
1driver/tapinstall.exe
windows7-x64
1driver/tapinstall.exe
windows10-2004-x64
1libCLI.dll
windows7-x64
1libCLI.dll
windows10-2004-x64
1msvcp140.dll
windows7-x64
1msvcp140.dll
windows10-2004-x64
1vcruntime140.dll
windows7-x64
1vcruntime140.dll
windows10-2004-x64
1vcruntime140_1.dll
windows7-x64
1vcruntime140_1.dll
windows10-2004-x64
1Analysis
-
max time kernel
95s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19/11/2024, 14:17
Static task
static1
Behavioral task
behavioral1
Sample
f80bc12ffee2539f5827757dc8052decbbd795e604a58d8c83ae357cf5055151.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f80bc12ffee2539f5827757dc8052decbbd795e604a58d8c83ae357cf5055151.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
kcinst.exe
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
kcinst.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
kcinst32.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
kcinst32.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
letsvpn-latest.exe
Resource
win7-20241010-en
Behavioral task
behavioral8
Sample
letsvpn-latest.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240729-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20241010-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
driver/tap0901.sys
Resource
win10v2004-20241007-en
Behavioral task
behavioral18
Sample
driver/tapinstall.exe
Resource
win7-20240903-en
Behavioral task
behavioral19
Sample
driver/tapinstall.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral20
Sample
libCLI.dll
Resource
win7-20241010-en
Behavioral task
behavioral21
Sample
libCLI.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral22
Sample
msvcp140.dll
Resource
win7-20240903-en
Behavioral task
behavioral23
Sample
msvcp140.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral24
Sample
vcruntime140.dll
Resource
win7-20240903-en
Behavioral task
behavioral25
Sample
vcruntime140.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral26
Sample
vcruntime140_1.dll
Resource
win7-20241010-en
Behavioral task
behavioral27
Sample
vcruntime140_1.dll
Resource
win10v2004-20241007-en
General
-
Target
$PLUGINSDIR/nsProcess.dll
-
Size
4KB
-
MD5
f0438a894f3a7e01a4aae8d1b5dd0289
-
SHA1
b058e3fcfb7b550041da16bf10d8837024c38bf6
-
SHA256
30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
-
SHA512
f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7
-
SSDEEP
48:Sz4joMeH+Iwdf8Rom/L+rOnnk5/OCnXeAdbdOAa4GPI+CJ87eILzlq7gthwIsEQW:64c/eFdfS/SSnkxNa4G+ueqPuCtGsj
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 964 3884 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 1076 wrote to memory of 3884 1076 rundll32.exe 82 PID 1076 wrote to memory of 3884 1076 rundll32.exe 82 PID 1076 wrote to memory of 3884 1076 rundll32.exe 82
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1076 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3884 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3884 -s 6083⤵
- Program crash
PID:964
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3884 -ip 38841⤵PID:1472