Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
28-06-2024 03:07
Static task
static1
Behavioral task
behavioral1
Sample
144540da6bfc395bdd8726b156099a7f7b27240321424411ba8af877cbdcbe86.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
144540da6bfc395bdd8726b156099a7f7b27240321424411ba8af877cbdcbe86.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240611-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240508-en
General
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Target
$PLUGINSDIR/System.dll
-
Size
12KB
-
MD5
4add245d4ba34b04f213409bfe504c07
-
SHA1
ef756d6581d70e87d58cc4982e3f4d18e0ea5b09
-
SHA256
9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706
-
SHA512
1bd260cabe5ea3cefbbc675162f30092ab157893510f45a1b571489e03ebb2903c55f64f89812754d3fe03c8f10012b8078d1261a7e73ac1f87c82f714bce03d
-
SSDEEP
192:VjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZv0QPi:B/Qlt7wiij/lMRv/9V4bvr
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2388 1732 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2820 wrote to memory of 1732 2820 rundll32.exe rundll32.exe PID 2820 wrote to memory of 1732 2820 rundll32.exe rundll32.exe PID 2820 wrote to memory of 1732 2820 rundll32.exe rundll32.exe PID 2820 wrote to memory of 1732 2820 rundll32.exe rundll32.exe PID 2820 wrote to memory of 1732 2820 rundll32.exe rundll32.exe PID 2820 wrote to memory of 1732 2820 rundll32.exe rundll32.exe PID 2820 wrote to memory of 1732 2820 rundll32.exe rundll32.exe PID 1732 wrote to memory of 2388 1732 rundll32.exe WerFault.exe PID 1732 wrote to memory of 2388 1732 rundll32.exe WerFault.exe PID 1732 wrote to memory of 2388 1732 rundll32.exe WerFault.exe PID 1732 wrote to memory of 2388 1732 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 2203⤵
- Program crash