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
122s -
max time network
132s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-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/StdUtils.dll
-
Size
100KB
-
MD5
c6a6e03f77c313b267498515488c5740
-
SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15
-
SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
-
SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803
-
SSDEEP
3072:WNuZmJ9TDP3ahD2TF7Rq9cJNPhF9vyHf:WNuZ81zaAFHhF9v
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 2112 2080 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2512 wrote to memory of 2080 2512 rundll32.exe 28 PID 2512 wrote to memory of 2080 2512 rundll32.exe 28 PID 2512 wrote to memory of 2080 2512 rundll32.exe 28 PID 2512 wrote to memory of 2080 2512 rundll32.exe 28 PID 2512 wrote to memory of 2080 2512 rundll32.exe 28 PID 2512 wrote to memory of 2080 2512 rundll32.exe 28 PID 2512 wrote to memory of 2080 2512 rundll32.exe 28 PID 2080 wrote to memory of 2112 2080 rundll32.exe 29 PID 2080 wrote to memory of 2112 2080 rundll32.exe 29 PID 2080 wrote to memory of 2112 2080 rundll32.exe 29 PID 2080 wrote to memory of 2112 2080 rundll32.exe 29
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2512 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2080 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 2243⤵
- Program crash
PID:2112
-
-