Overview
overview
4Static
static
3lunar-clie..._3.exe
windows11-21h2-x64
4$PLUGINSDIR/INetC.dll
windows11-21h2-x64
3$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
1486s - max time network
1510s - platform
windows11-21h2_x64 - resource
win11-20240412-en - resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system - submitted
16/04/2024, 16:48
Static task
static1
Behavioral task
behavioral1
Sample
lunar-client-v3_2_3.exe
Resource
win11-20240412-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/INetC.dll
Resource
win11-20240412-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/SpiderBanner.dll
Resource
win11-20240412-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win11-20240412-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240412-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/WinShell.dll
Resource
win11-20240412-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20240412-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win11-20240412-en
Behavioral task
behavioral9
Sample
$R0/Uninstall Lunar Client.exe
Resource
win11-20240412-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win11-20240412-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240412-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/WinShell.dll
Resource
win11-20240412-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20240412-en
General
- Target $PLUGINSDIR/SpiderBanner.dll
- Size 9KB
- Sample240416-vbk4dsgg9w
- SHA256 996a259e53ca18b89ec36d038c40148957c978c0fd600a268497d4c92f882a93
- MD5 17309e33b596ba3a5693b4d3e85cf8d7
- SHA1 7d361836cf53df42021c7f2b148aec9458818c01
- SHA512 1abac3ce4f2d5e4a635162e16cf9125e059ba1539f70086c2d71cd00d41a6e2a54d468e6f37792e55a822d7082fb388b8dfecc79b59226bbb047b7d28d44d298
- SSDEEP 192:5lkE3uqRI1y7/xcfK4PRef6gQzJyY1rpKlVrw:5lkMBI1y7UKcef6XzJrpKY
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2472 wrote to memory of 2176 2472 rundll32.exe 80 PID 2472 wrote to memory of 2176 2472 rundll32.exe 80 PID 2472 wrote to memory of 2176 2472 rundll32.exe 80
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SpiderBanner.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2472 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SpiderBanner.dll,#12⤵PID:2176
-