Overview
overview
6Static
static
3Lunar Clie....3.exe
windows7-x64
4Lunar Clie....3.exe
windows10-2004-x64
6$PLUGINSDIR/INetC.dll
windows7-x64
3$PLUGINSDIR/INetC.dll
windows10-2004-x64
3$PLUGINSDI...er.dll
windows7-x64
1$PLUGINSDI...er.dll
windows10-2004-x64
1$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...ll.dll
windows7-x64
3$PLUGINSDI...ll.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...7z.dll
windows7-x64
3$PLUGINSDI...7z.dll
windows10-2004-x64
3$R0/Uninst...nt.exe
windows7-x64
4$R0/Uninst...nt.exe
windows10-2004-x64
4$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...ll.dll
windows7-x64
3$PLUGINSDI...ll.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3Analysis
-
max time kernel
1561s -
max time network
1562s -
platform
windows7_x64 -
resource
win7-20240215-es -
resource tags
arch:x64arch:x86image:win7-20240215-eslocale:es-esos:windows7-x64systemwindows -
submitted
02/03/2024, 22:10
Static task
static1
Behavioral task
behavioral1
Sample
Lunar Client v3.2.3.exe
Resource
win7-20240221-es
Behavioral task
behavioral2
Sample
Lunar Client v3.2.3.exe
Resource
win10v2004-20240226-es
Behavioral task
behavioral3
Sample
$PLUGINSDIR/INetC.dll
Resource
win7-20240221-es
Behavioral task
behavioral4
Sample
$PLUGINSDIR/INetC.dll
Resource
win10v2004-20240226-es
Behavioral task
behavioral5
Sample
$PLUGINSDIR/SpiderBanner.dll
Resource
win7-20240221-es
Behavioral task
behavioral6
Sample
$PLUGINSDIR/SpiderBanner.dll
Resource
win10v2004-20240226-es
Behavioral task
behavioral7
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20240221-es
Behavioral task
behavioral8
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20240226-es
Behavioral task
behavioral9
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240220-es
Behavioral task
behavioral10
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240226-es
Behavioral task
behavioral11
Sample
$PLUGINSDIR/WinShell.dll
Resource
win7-20240215-es
Behavioral task
behavioral12
Sample
$PLUGINSDIR/WinShell.dll
Resource
win10v2004-20240226-es
Behavioral task
behavioral13
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240221-es
Behavioral task
behavioral14
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240226-es
Behavioral task
behavioral15
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win7-20240220-es
Behavioral task
behavioral16
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win10v2004-20240226-es
Behavioral task
behavioral17
Sample
$R0/Uninstall Lunar Client.exe
Resource
win7-20240215-es
Behavioral task
behavioral18
Sample
$R0/Uninstall Lunar Client.exe
Resource
win10v2004-20240226-es
Behavioral task
behavioral19
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20240221-es
Behavioral task
behavioral20
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20240226-es
Behavioral task
behavioral21
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-es
Behavioral task
behavioral22
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240226-es
Behavioral task
behavioral23
Sample
$PLUGINSDIR/WinShell.dll
Resource
win7-20240221-es
Behavioral task
behavioral24
Sample
$PLUGINSDIR/WinShell.dll
Resource
win10v2004-20240226-es
Behavioral task
behavioral25
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240221-es
Behavioral task
behavioral26
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240226-es
General
-
Target
$R0/Uninstall Lunar Client.exe
-
Size
404KB
-
MD5
227c1f9fe7c7f6fb24a451a5ca84e722
-
SHA1
9c34be548c0b2affd930d05c1b315a5cbe9bca45
-
SHA256
bafcf2b563e935de1c9d2d55413d25b9a06a8ee8b4cdab49ba7bfe0bfb5c668a
-
SHA512
1fde79719e176eaa9f23211f9679d5406c219b2ae074227306001ea88c3c2f10c1ed1e0e52b10bc1e0ca9adc4cdc82d2da474ce7e59defaae816655ddc0fce66
-
SSDEEP
3072:Wn77v00hEoDEtauTsqBGeQIfxqxAjDsksbfVl1snhl+l2L0Sa9/l7a4vZAzLmDVH:W740IEa+J+Rql1DKs2t0EyL+ya2
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2908 Un_A.exe -
Loads dropped DLL 2 IoCs
pid Process 2212 Uninstall Lunar Client.exe 2908 Un_A.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2908 Un_A.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2212 wrote to memory of 2908 2212 Uninstall Lunar Client.exe 28 PID 2212 wrote to memory of 2908 2212 Uninstall Lunar Client.exe 28 PID 2212 wrote to memory of 2908 2212 Uninstall Lunar Client.exe 28 PID 2212 wrote to memory of 2908 2212 Uninstall Lunar Client.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Lunar Client.exe"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Lunar Client.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2212 -
C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe"C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\$R0\2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: GetForegroundWindowSpam
PID:2908
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
12KB
MD50d7ad4f45dc6f5aa87f606d0331c6901
SHA148df0911f0484cbe2a8cdd5362140b63c41ee457
SHA2563eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
SHA512c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
-
Filesize
404KB
MD5227c1f9fe7c7f6fb24a451a5ca84e722
SHA19c34be548c0b2affd930d05c1b315a5cbe9bca45
SHA256bafcf2b563e935de1c9d2d55413d25b9a06a8ee8b4cdab49ba7bfe0bfb5c668a
SHA5121fde79719e176eaa9f23211f9679d5406c219b2ae074227306001ea88c3c2f10c1ed1e0e52b10bc1e0ca9adc4cdc82d2da474ce7e59defaae816655ddc0fce66