Analysis
- max time kernel
91s - max time network
98s - platform
windows10-2004_x64 - resource
win10v2004-20231215-de - resource tags
arch:x64arch:x86image:win10v2004-20231215-delocale:de-deos:windows10-2004-x64systemwindows - submitted
22/01/2024, 03:23
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
best.exe
Resource
win7-20231129-de
11 signatures
120 seconds
Behavioral task
behavioral2
Sample
best.exe
Resource
win10v2004-20231215-de
4 signatures
120 seconds
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231215-de
2 signatures
120 seconds
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20231215-de
2 signatures
120 seconds
General
- Target $PLUGINSDIR/System.dll
- Size 12KB
- Sample240122-dxltdafcdk
- SHA256 7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1
- MD5 dd87a973e01c5d9f8e0fcc81a0af7c7a
- SHA1 c9206ced48d1e5bc648b1d0f54cccc18bf643a14
- SHA512 4910b39b1a99622ac8b3c42f173bbe7035ac2f8d40c946468e7db7e2868a2da81ea94da453857f06f39957dd690c7f1ba498936a7aaa0039975e472376f92e8f
- SSDEEP 192:VFiQJ77pJp17C8F1A5xjGNxrgFOgb7lrT/993:97pJp48F2exrg5F/9
- MD5 SHA1 SHA512 SSDEEP
Score
3/10
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 4136 2876 WerFault.exe 85 - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4536 wrote to memory of 2876 4536 rundll32.exe 85 PID 4536 wrote to memory of 2876 4536 rundll32.exe 85 PID 4536 wrote to memory of 2876 4536 rundll32.exe 85
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4536 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵PID:2876
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2876 -s 6123⤵
- Program crash
PID:4136
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 2876 -ip 28761⤵PID:3320