Overview
overview
4Static
static
3Lunar Clie....3.exe
windows11-21h2-x64
4$PLUGINSDIR/INetC.dll
windows11-21h2-x64
1$PLUGINSDI...er.dll
windows11-21h2-x64
1$PLUGINSDI...ls.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDI...ll.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3$PLUGINSDI...7z.dll
windows11-21h2-x64
3$R0/Uninst...nt.exe
windows11-21h2-x64
4$PLUGINSDI...ls.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDI...ll.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3Analysis
-
max time kernel
1s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
13-03-2024 22:53
Static task
static1
Behavioral task
behavioral1
Sample
Lunar Client v3.2.3.exe
Resource
win11-20240221-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/INetC.dll
Resource
win11-20240221-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/SpiderBanner.dll
Resource
win11-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win11-20240221-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/WinShell.dll
Resource
win11-20240214-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20240221-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win11-20240221-en
Behavioral task
behavioral9
Sample
$R0/Uninstall Lunar Client.exe
Resource
win11-20240221-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win11-20240221-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240221-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/WinShell.dll
Resource
win11-20240221-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20240221-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
Processes:
WerFault.exepid pid_target process target process 1508 3740 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 2200 wrote to memory of 3740 2200 rundll32.exe rundll32.exe PID 2200 wrote to memory of 3740 2200 rundll32.exe rundll32.exe PID 2200 wrote to memory of 3740 2200 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2200 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#12⤵PID:3740
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3740 -s 4683⤵
- Program crash
PID:1508
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 3740 -ip 37401⤵PID:1808