Analysis
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max time kernel
87s -
max time network
94s -
platform
windows11-21h2_x64 -
resource
win11-20240214-en -
resource tags
arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system -
submitted
07-03-2024 19:09
Static task
static1
Behavioral task
behavioral1
Sample
HandBrake-1.7.3-x86_64-Win_GUI.exe
Resource
win11-20240221-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win11-20240221-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240214-en
Behavioral task
behavioral4
Sample
HandBrake.Worker.exe
Resource
win11-20240221-en
Behavioral task
behavioral5
Sample
HandBrake.exe
Resource
win11-20240214-en
Behavioral task
behavioral6
Sample
hb.dll
Resource
win11-20240221-en
General
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Target
$PLUGINSDIR/System.dll
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Size
12KB
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MD5
4add245d4ba34b04f213409bfe504c07
-
SHA1
ef756d6581d70e87d58cc4982e3f4d18e0ea5b09
-
SHA256
9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706
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SHA512
1bd260cabe5ea3cefbbc675162f30092ab157893510f45a1b571489e03ebb2903c55f64f89812754d3fe03c8f10012b8078d1261a7e73ac1f87c82f714bce03d
-
SSDEEP
192:VjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZv0QPi:B/Qlt7wiij/lMRv/9V4bvr
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 4876 4232 WerFault.exe 79 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2096 wrote to memory of 4232 2096 rundll32.exe 79 PID 2096 wrote to memory of 4232 2096 rundll32.exe 79 PID 2096 wrote to memory of 4232 2096 rundll32.exe 79
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:2096 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵PID:4232
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4232 -s 4603⤵
- Program crash
PID:4876
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4232 -ip 42321⤵PID:1852