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
94s -
max time network
146s -
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/System.dll
-
Size
12KB
-
MD5
192639861e3dc2dc5c08bb8f8c7260d5
-
SHA1
58d30e460609e22fa0098bc27d928b689ef9af78
-
SHA256
23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
-
SHA512
6e573d8b2ef6ed719e271fd0b2fd9cd451f61fc9a9459330108d6d7a65a0f64016303318cad787aa1d5334ba670d8f1c7c13074e1be550b4a316963ecc465cdc
-
SSDEEP
192:ljHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZqE0QPi:R/Qlt7wiij/lMRv/9V4bfr
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 4628 1084 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 2156 wrote to memory of 1084 2156 rundll32.exe 83 PID 2156 wrote to memory of 1084 2156 rundll32.exe 83 PID 2156 wrote to memory of 1084 2156 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:2156 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1084 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1084 -s 6123⤵
- Program crash
PID:4628
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1084 -ip 10841⤵PID:4572