Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
10-07-2024 18:33
Static task
static1
Behavioral task
behavioral1
Sample
c58de5f40be8fd760fc08b1ef7ae5a3f5771dbc214426156e3a21a89bb8303fc.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
c58de5f40be8fd760fc08b1ef7ae5a3f5771dbc214426156e3a21a89bb8303fc.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240705-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240705-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240709-en
General
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Target
$PLUGINSDIR/System.dll
-
Size
11KB
-
MD5
4d3b19a81bd51f8ce44b93643a4e3a99
-
SHA1
35f8b00e85577b014080df98bd2c378351d9b3e9
-
SHA256
fda0018ab182ac6025d2fc9a2efcce3745d1da21ce5141859f8286cf319a52ce
-
SHA512
b2ba9c961c0e1617f802990587a9000979ab5cc493ae2f8ca852eb43eeaf24916b0b29057dbff7d41a1797dfb2dce3db41990e8639b8f205771dbec3fd80f622
-
SSDEEP
192:BPtkumJX7zB22kGwfy0mtVgkCPOse1un:u702k5qpdseQn
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1408 1124 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2036 wrote to memory of 1124 2036 rundll32.exe rundll32.exe PID 2036 wrote to memory of 1124 2036 rundll32.exe rundll32.exe PID 2036 wrote to memory of 1124 2036 rundll32.exe rundll32.exe PID 2036 wrote to memory of 1124 2036 rundll32.exe rundll32.exe PID 2036 wrote to memory of 1124 2036 rundll32.exe rundll32.exe PID 2036 wrote to memory of 1124 2036 rundll32.exe rundll32.exe PID 2036 wrote to memory of 1124 2036 rundll32.exe rundll32.exe PID 1124 wrote to memory of 1408 1124 rundll32.exe WerFault.exe PID 1124 wrote to memory of 1408 1124 rundll32.exe WerFault.exe PID 1124 wrote to memory of 1408 1124 rundll32.exe WerFault.exe PID 1124 wrote to memory of 1408 1124 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
PID:2036 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1124 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1124 -s 2243⤵
- Program crash
PID:1408