Overview
overview
6Static
static
3Lunar Clie....3.exe
windows11-21h2-x64
6$PLUGINSDIR/INetC.dll
windows11-21h2-x64
3$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
150s -
max time network
161s -
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 00:27
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
win11-20240214-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/WinShell.dll
Resource
win11-20240221-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
win11-20240214-en
General
-
Target
$PLUGINSDIR/System.dll
-
Size
12KB
-
MD5
0d7ad4f45dc6f5aa87f606d0331c6901
-
SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457
-
SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
-
SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
-
SSDEEP
192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3320 3016 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 4644 wrote to memory of 3016 4644 rundll32.exe rundll32.exe PID 4644 wrote to memory of 3016 4644 rundll32.exe rundll32.exe PID 4644 wrote to memory of 3016 4644 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4644 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵PID:3016
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 4603⤵
- Program crash
PID:3320
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3016 -ip 30161⤵PID:464