Analysis
- max time kernel
144s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
22/12/2022, 19:08
Static task
static1
Behavioral task
behavioral1
Sample
user.dat.dll
Resource
win7-20221111-en
1 signatures
150 seconds
Behavioral task
behavioral2
Sample
user.dat.dll
Resource
win10v2004-20220812-en
2 signatures
150 seconds
General
- Target user.dat.dll
- Size 516KB
- Sample221222-xs7ptsac21
- SHA256 ac99b1d6fa6746b9a2e89f404e88a7fc249daf9cda5bb1f1639371cd36379237
- MD5 e351d66cd0103864d9fdb439a451b253
- SHA1 d1d9c420c4b06e33f4bd8b84f740be04db035fc4
- SHA512 002c853352a06868d0a9b0201ee7dfc5e83b201c48d85bb7914f3e314012256129a752d8b05829074ee3364656a2c239f5eae0105c3597a432f89961b6d7bb62
- SSDEEP 12288:+ihnctArBgRprvbiIIAuz19n26pmpmlCO:HnqAyprvbiIIAuRUmxf
- MD5 SHA1 SHA512 SSDEEP
Score
3/10
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 3108 764 WerFault.exe 80 - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1144 wrote to memory of 764 1144 rundll32.exe 80 PID 1144 wrote to memory of 764 1144 rundll32.exe 80 PID 1144 wrote to memory of 764 1144 rundll32.exe 80
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\user.dat.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\user.dat.dll,#12⤵PID:764
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 6043⤵
- Program crash
PID:3108
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 764 -ip 7641⤵PID:1944