Overview
overview
7Static
static
3iLemon/lpk.dll
windows7-x64
7iLemon/lpk.dll
windows10-2004-x64
7iLemon/set...1].exe
windows7-x64
7iLemon/set...1].exe
windows10-2004-x64
7$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...dl.dll
windows7-x64
3$PLUGINSDI...dl.dll
windows10-2004-x64
31.3.1.1002...ar.exe
windows7-x64
61.3.1.1002...ar.exe
windows10-2004-x64
71.3.1.1002...ce.exe
windows7-x64
11.3.1.1002...ce.exe
windows10-2004-x64
11.3.1.1002...er.exe
windows7-x64
11.3.1.1002...er.exe
windows10-2004-x64
11.3.1.1002...64.exe
windows7-x64
11.3.1.1002...64.exe
windows10-2004-x64
11.3.1.1002...op.exe
windows7-x64
61.3.1.1002...op.exe
windows10-2004-x64
71.3.1.1002...te.exe
windows7-x64
11.3.1.1002...te.exe
windows10-2004-x64
1ShellExtHelper.dll
windows7-x64
7ShellExtHelper.dll
windows10-2004-x64
7ShellExtHelper64.dll
windows7-x64
7ShellExtHelper64.dll
windows10-2004-x64
7iLemon.exe
windows7-x64
6iLemon.exe
windows10-2004-x64
6Analysis
-
max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
15-06-2024 06:58
Static task
static1
Behavioral task
behavioral1
Sample
iLemon/lpk.dll
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
iLemon/lpk.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
iLemon/setup_1.3.1.1002_qd[1].exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
iLemon/setup_1.3.1.1002_qd[1].exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/FindProcDLL.dll
Resource
win7-20240611-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/FindProcDLL.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win7-20240611-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240508-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/nsisdl.dll
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/nsisdl.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral15
Sample
1.3.1.1002/LemonCalendar.exe
Resource
win7-20240611-en
Behavioral task
behavioral16
Sample
1.3.1.1002/LemonCalendar.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral17
Sample
1.3.1.1002/LemonService.exe
Resource
win7-20240508-en
Behavioral task
behavioral18
Sample
1.3.1.1002/LemonService.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral19
Sample
1.3.1.1002/RunningHelper.exe
Resource
win7-20240611-en
Behavioral task
behavioral20
Sample
1.3.1.1002/RunningHelper.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral21
Sample
1.3.1.1002/RunningHelper64.exe
Resource
win7-20240508-en
Behavioral task
behavioral22
Sample
1.3.1.1002/RunningHelper64.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral23
Sample
1.3.1.1002/SmartDesktop.exe
Resource
win7-20231129-en
Behavioral task
behavioral24
Sample
1.3.1.1002/SmartDesktop.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral25
Sample
1.3.1.1002/SmartNote.exe
Resource
win7-20240611-en
Behavioral task
behavioral26
Sample
1.3.1.1002/SmartNote.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral27
Sample
ShellExtHelper.dll
Resource
win7-20240508-en
Behavioral task
behavioral28
Sample
ShellExtHelper.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral29
Sample
ShellExtHelper64.dll
Resource
win7-20240221-en
Behavioral task
behavioral30
Sample
ShellExtHelper64.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral31
Sample
iLemon.exe
Resource
win7-20240221-en
Behavioral task
behavioral32
Sample
iLemon.exe
Resource
win10v2004-20240611-en
General
-
Target
$PLUGINSDIR/nsisdl.dll
-
Size
14KB
-
MD5
a5a4cee2eb89d2687c05ef74299f0dba
-
SHA1
b9bff5987be422887f2f402357b47db2288a1a42
-
SHA256
cb82268b778703db75961cddef33a695a674f0dfd28b7e710b198ef2d26d3963
-
SHA512
f485267c6239f84d294ed4b0a82f317081e6e2e0c5613bd012bbd496b9ebccb8aca6944e80f84af51d17ac13f4d83480c34edfe37a3a9508ce0e67fc9f0b96f0
-
SSDEEP
384:yck76gi51kE5aYOMLDC4UnDp9B0Jc5HNw2xE:yck76gibLCMLDLCx04HNVxE
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4864 2232 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 4884 wrote to memory of 2232 4884 rundll32.exe rundll32.exe PID 4884 wrote to memory of 2232 4884 rundll32.exe rundll32.exe PID 4884 wrote to memory of 2232 4884 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisdl.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisdl.dll,#12⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 6283⤵
- Program crash
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2232 -ip 22321⤵