Analysis
- max time kernel
91s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
03/11/2022, 09:38
Static task
static1
Behavioral task
behavioral1
Sample
825b5c870c8d4d962c9248579622a461.dll
Resource
win7-20220901-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
825b5c870c8d4d962c9248579622a461.dll
Resource
win10v2004-20220812-en
5 signatures
150 seconds
General
- Target 825b5c870c8d4d962c9248579622a461.dll
- Size 818KB
- Sample221103-ll2pfsbbdn
- SHA256 bcc449302e5861d47cd9987a52c1c6b8e1ef4d45d5ffa40735bc2dcedf69a59e
- MD5 825b5c870c8d4d962c9248579622a461
- SHA1 8fcb141e2bc85eb55dd7ac8fb2ff9501e384c009
- SHA512 d82634ce5126e9f9c5f75b1ceb0176935d4d53a17d65c3600d5e3539209ec7f8e076ceff093f83db2ba2291bb4363549b38d038b51cbfa798fe2806806c71d5a
- SSDEEP 12288:NdewIvxiRO9n6DPBt9bu8X+L81JcZl1rSx48/2aS4/2YX:NYwIvxFMXn+L8zcZ7rEwC2Y
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nVfNuvK.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\PhuczYIrVtimD\\nVfNuvK.dll\"" regsvr32.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3172 regsvr32.exe 3172 regsvr32.exe 400 regsvr32.exe 400 regsvr32.exe 400 regsvr32.exe 400 regsvr32.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 3172 regsvr32.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3172 wrote to memory of 400 3172 regsvr32.exe 80 PID 3172 wrote to memory of 400 3172 regsvr32.exe 80
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\825b5c870c8d4d962c9248579622a461.dll1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3172 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\PhuczYIrVtimD\nVfNuvK.dll"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:400
-