Analysis
-
max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
25-07-2024 00:21
Static task
static1
Behavioral task
behavioral1
Sample
LisectAVT_2403002A_327.dll
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
LisectAVT_2403002A_327.dll
Resource
win10v2004-20240709-en
General
-
Target
LisectAVT_2403002A_327.dll
-
Size
5.0MB
-
MD5
40730e4027614dd45d6aae3f4dca0a48
-
SHA1
13d9812a91640771c4acc6f98aef1d1b28a38b1c
-
SHA256
527d79357bf1ec94197e8e9cd404073060508ad7a77b714cc7c2f2e34ad08623
-
SHA512
e5c0227ad427bdc90ca6001f9284bdb5b54f247c6b19dedc30a951f908fe1f8799294649bc647209482c84c900d21783d1c18d533644f64b38efd51d8d8ec0f5
-
SSDEEP
12288:TQbLgmluyQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DHeQYSUjEXF5:MbLguVQhfdmMSirYbcMNgef0QeQjG
Malware Config
Signatures
-
Wannacry
WannaCry is a ransomware cryptoworm.
-
Contacts a large (3242) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
-
Executes dropped EXE 2 IoCs
Processes:
mssecsvr.exemssecsvr.exepid process 2140 mssecsvr.exe 820 mssecsvr.exe -
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
-
Drops file in System32 directory 4 IoCs
Processes:
mssecsvr.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies mssecsvr.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 mssecsvr.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 mssecsvr.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE mssecsvr.exe -
Drops file in Windows directory 2 IoCs
Processes:
rundll32.exemssecsvr.exedescription ioc process File created C:\WINDOWS\mssecsvr.exe rundll32.exe File created C:\WINDOWS\tasksche.exe mssecsvr.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
rundll32.exemssecsvr.exemssecsvr.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mssecsvr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mssecsvr.exe -
Modifies data under HKEY_USERS 15 IoCs
Processes:
mssecsvr.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings mssecsvr.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" mssecsvr.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" mssecsvr.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" mssecsvr.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ mssecsvr.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History mssecsvr.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix mssecsvr.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software mssecsvr.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 3420 wrote to memory of 3048 3420 rundll32.exe rundll32.exe PID 3420 wrote to memory of 3048 3420 rundll32.exe rundll32.exe PID 3420 wrote to memory of 3048 3420 rundll32.exe rundll32.exe PID 3048 wrote to memory of 2140 3048 rundll32.exe mssecsvr.exe PID 3048 wrote to memory of 2140 3048 rundll32.exe mssecsvr.exe PID 3048 wrote to memory of 2140 3048 rundll32.exe mssecsvr.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002A_327.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3420 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002A_327.dll,#12⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3048 -
C:\WINDOWS\mssecsvr.exeC:\WINDOWS\mssecsvr.exe3⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2140
-
C:\WINDOWS\mssecsvr.exeC:\WINDOWS\mssecsvr.exe -m security1⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:820
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2.2MB
MD560a91a498c0f1ffddef484c5a4d42564
SHA1a15dcd408c0aee1f5f38b50528583bdee6536227
SHA25603dc66c9970481c5958d247f9eba93a6a7ad9f9bbf94845b9fbea8ed1e1e0757
SHA512e7b7a308227fc3c72d8d1bd262389257e1f2fa419f6ceff58f73a06f850245f6e1068ea74cf42388ee2ca2712d7b5d9a2ce0e6f7264c3885b82c1caa70891e55