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
1484s - max time network
1509s - 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/WinShell.dll
- Size 3KB
- Sample240416-vbk4dsgg9w
- SHA256 9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
- MD5 1cc7c37b7e0c8cd8bf04b6cc283e1e56
- SHA1 0b9519763be6625bd5abce175dcc59c96d100d4c
- SHA512 7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f
- MD5 SHA1 SHA512
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 1572 4728 WerFault.exe 77 - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2612 wrote to memory of 4728 2612 rundll32.exe 77 PID 2612 wrote to memory of 4728 2612 rundll32.exe 77 PID 2612 wrote to memory of 4728 2612 rundll32.exe 77
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WinShell.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2612 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WinShell.dll,#12⤵PID:4728
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 4683⤵
- Program crash
PID:1572
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4728 -ip 47281⤵PID:1120