Overview
overview
6Static
static
3MullvadVPN-2023.6.exe
windows7-x64
MullvadVPN-2023.6.exe
windows10-2004-x64
6$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...ls.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$PLUGINSDI...ll.dll
windows7-x64
3$PLUGINSDI...ll.dll
windows10-2004-x64
3vulkan-1.dll
windows7-x64
1vulkan-1.dll
windows10-2004-x64
1$PLUGINSDI...up.dll
windows7-x64
3$PLUGINSDI...up.dll
windows10-2004-x64
3$PLUGINSDI...ic.exe
windows7-x64
1$PLUGINSDI...ic.exe
windows10-2004-x64
1$PLUGINSDIR/log.dll
windows7-x64
3$PLUGINSDIR/log.dll
windows10-2004-x64
3$PLUGINSDI...up.exe
windows7-x64
1$PLUGINSDI...up.exe
windows10-2004-x64
1$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...7z.dll
windows7-x64
3$PLUGINSDI...7z.dll
windows10-2004-x64
3$PLUGINSDI...it.dll
windows7-x64
3$PLUGINSDI...it.dll
windows10-2004-x64
3$PLUGINSDI...ry.dll
windows7-x64
3$PLUGINSDI...ry.dll
windows10-2004-x64
3$PLUGINSDIR/tray.dll
windows7-x64
6$PLUGINSDIR/tray.dll
windows10-2004-x64
6Analysis
-
max time kernel
92s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240220-en -
resource tags
arch:x64arch:x86image:win10v2004-20240220-enlocale:en-usos:windows10-2004-x64system -
submitted
21/02/2024, 00:13
Static task
static1
Behavioral task
behavioral1
Sample
MullvadVPN-2023.6.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
MullvadVPN-2023.6.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20240220-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240220-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/UAC.dll
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/UAC.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/WinShell.dll
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/WinShell.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
vulkan-1.dll
Resource
win7-20240215-en
Behavioral task
behavioral12
Sample
vulkan-1.dll
Resource
win10v2004-20240220-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/cleanup.dll
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/cleanup.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/driverlogic.exe
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/driverlogic.exe
Resource
win10v2004-20240220-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/log.dll
Resource
win7-20231215-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/log.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/mullvad-setup.exe
Resource
win7-20231215-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/mullvad-setup.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20231215-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240215-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240220-en
Behavioral task
behavioral25
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win7-20231215-en
Behavioral task
behavioral26
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win10v2004-20240220-en
Behavioral task
behavioral27
Sample
$PLUGINSDIR/pathedit.dll
Resource
win7-20231215-en
Behavioral task
behavioral28
Sample
$PLUGINSDIR/pathedit.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral29
Sample
$PLUGINSDIR/registry.dll
Resource
win7-20231215-en
Behavioral task
behavioral30
Sample
$PLUGINSDIR/registry.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral31
Sample
$PLUGINSDIR/tray.dll
Resource
win7-20231215-en
Behavioral task
behavioral32
Sample
$PLUGINSDIR/tray.dll
Resource
win10v2004-20231215-en
General
-
Target
$PLUGINSDIR/nsExec.dll
-
Size
6KB
-
MD5
ec0504e6b8a11d5aad43b296beeb84b2
-
SHA1
91b5ce085130c8c7194d66b2439ec9e1c206497c
-
SHA256
5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962
-
SHA512
3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57
-
SSDEEP
96:YjHFiKaoggCtJzTlKXb0tbo68qD853Ns7GgmkNq3m+s:JbogRtJzTlNR8qD85uGgmkNr
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 2220 1844 WerFault.exe 62 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4912 wrote to memory of 1844 4912 rundll32.exe 62 PID 4912 wrote to memory of 1844 4912 rundll32.exe 62 PID 4912 wrote to memory of 1844 4912 rundll32.exe 62
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4912 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#12⤵PID:1844
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 6123⤵
- Program crash
PID:2220
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1844 -ip 18441⤵PID:2328