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/nsDialogs.dll
-
Size
9KB
-
MD5
b7d61f3f56abf7b7ff0d4e7da3ad783d
-
SHA1
15ab5219c0e77fd9652bc62ff390b8e6846c8e3e
-
SHA256
89a82c4849c21dfe765052681e1fad02d2d7b13c8b5075880c52423dca72a912
-
SHA512
6467c0de680fadb8078bdaa0d560d2b228f5a22d4d8358a1c7d564c6ebceface5d377b870eaf8985fbee727001da569867554154d568e3b37f674096bbafafb8
-
SSDEEP
96:ooEv02zUu56FcS817eTaXx85qHFcUcxSgB5PKtAtoniJninnt3DVEB3YMNqkzfFc:ooEvCu5e81785qHFcU0PuAw0uyyIFc
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 5012 4520 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 2840 wrote to memory of 4520 2840 rundll32.exe 83 PID 2840 wrote to memory of 4520 2840 rundll32.exe 83 PID 2840 wrote to memory of 4520 2840 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4520 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4520 -s 6363⤵
- Program crash
PID:5012
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4520 -ip 45201⤵PID:2968