Overview
overview
5Static
static
3Lunar Clie....3.exe
windows10-1703-x64
4$PLUGINSDIR/INetC.dll
windows10-1703-x64
3$PLUGINSDI...er.dll
windows10-1703-x64
1$PLUGINSDI...ls.dll
windows10-1703-x64
3$PLUGINSDI...em.dll
windows10-1703-x64
3$PLUGINSDI...ll.dll
windows10-1703-x64
3$PLUGINSDI...ec.dll
windows10-1703-x64
3$PLUGINSDI...7z.dll
windows10-1703-x64
3$R0/Uninst...nt.exe
windows10-1703-x64
5$PLUGINSDI...ls.dll
windows10-1703-x64
3$PLUGINSDI...em.dll
windows10-1703-x64
3$PLUGINSDI...ll.dll
windows10-1703-x64
3$PLUGINSDI...ec.dll
windows10-1703-x64
3Analysis
-
max time kernel
129s -
max time network
135s -
platform
windows10-1703_x64 -
resource
win10-20240221-en -
resource tags
arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system -
submitted
03-04-2024 17:28
Static task
static1
Behavioral task
behavioral1
Sample
Lunar Client v3.2.3.exe
Resource
win10-20240221-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/INetC.dll
Resource
win10-20240221-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/SpiderBanner.dll
Resource
win10-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10-20240214-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win10-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/WinShell.dll
Resource
win10-20240221-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10-20240221-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win10-20240319-en
Behavioral task
behavioral9
Sample
$R0/Uninstall Lunar Client.exe
Resource
win10-20240221-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10-20240221-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/System.dll
Resource
win10-20240221-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/WinShell.dll
Resource
win10-20240214-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10-20240221-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
Processes:
WerFault.exepid pid_target process target process 4612 3696 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 1920 wrote to memory of 3696 1920 rundll32.exe rundll32.exe PID 1920 wrote to memory of 3696 1920 rundll32.exe rundll32.exe PID 1920 wrote to memory of 3696 1920 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#12⤵PID:3696
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3696 -s 6363⤵
- Program crash
PID:4612