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
119s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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/nsExec.dll
-
Size
7KB
-
MD5
11092c1d3fbb449a60695c44f9f3d183
-
SHA1
b89d614755f2e943df4d510d87a7fc1a3bcf5a33
-
SHA256
2cd3a2d4053954db1196e2526545c36dfc138c6de9b81f6264632f3132843c77
-
SHA512
c182e0a1f0044b67b4b9fb66cef9c4955629f6811d98bbffa99225b03c43c33b1e85cacabb39f2c45ead81cd85e98b201d5f9da4ee0038423b1ad947270c134a
-
SSDEEP
96:JgzdzBzMDhOZZDbXf5GsWvSv1ckne94SDbYkvML1HT1fUNQaSGYuHIDQ:JDQHDb2vSuOc41ZfUNQZGdHA
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 2356 1832 WerFault.exe 31 -
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 324 wrote to memory of 1832 324 rundll32.exe 31 PID 324 wrote to memory of 1832 324 rundll32.exe 31 PID 324 wrote to memory of 1832 324 rundll32.exe 31 PID 324 wrote to memory of 1832 324 rundll32.exe 31 PID 324 wrote to memory of 1832 324 rundll32.exe 31 PID 324 wrote to memory of 1832 324 rundll32.exe 31 PID 324 wrote to memory of 1832 324 rundll32.exe 31 PID 1832 wrote to memory of 2356 1832 rundll32.exe 32 PID 1832 wrote to memory of 2356 1832 rundll32.exe 32 PID 1832 wrote to memory of 2356 1832 rundll32.exe 32 PID 1832 wrote to memory of 2356 1832 rundll32.exe 32
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:324 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1832 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 2243⤵
- Program crash
PID:2356
-
-