Analysis
- max time kernel
71s - max time network
133s - platform
windows10-1703_x64 - resource
win10-20220812-en - resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system - submitted
03/11/2022, 11:14
Static task
static1
Behavioral task
behavioral1
Sample
992d55f364e10ab8303d71d24365a2eb5fb4d39eb2424e29b9ccf9452239923f.dll
Resource
win10-20220812-en
5 signatures
150 seconds
General
- Target 992d55f364e10ab8303d71d24365a2eb5fb4d39eb2424e29b9ccf9452239923f.dll
- Size 814KB
- Sample221103-nb5z8sheg6
- SHA256 992d55f364e10ab8303d71d24365a2eb5fb4d39eb2424e29b9ccf9452239923f
- MD5 9d1d0c0ed64c0c86458b513ba8f13c9f
- SHA1 bce69005e39dc09e563e82709bd83106e75d7d92
- SHA512 7db68ca3ce6564ae8ba248d6fc34a1bc9a4183faa246b07f317ad4b56f20364b6077844b3290bf5dc9c752997706fc20c5ca7f52ea744e0a09f5239fb703b249
- SSDEEP 12288:5sIyzbpudwh9PQx873eHeLs15pZ6yRQ9f04Tn/WMideaik:5JyzbwdG4eLsjpZfRQ9/q8fk
- 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\lJXauVOLcctRZnys.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\UVhkRCr\\lJXauVOLcctRZnys.dll\"" regsvr32.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2252 regsvr32.exe 2252 regsvr32.exe 1524 regsvr32.exe 1524 regsvr32.exe 1524 regsvr32.exe 1524 regsvr32.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 2252 regsvr32.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2252 wrote to memory of 1524 2252 regsvr32.exe 67 PID 2252 wrote to memory of 1524 2252 regsvr32.exe 67
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\992d55f364e10ab8303d71d24365a2eb5fb4d39eb2424e29b9ccf9452239923f.dll1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2252 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\UVhkRCr\lJXauVOLcctRZnys.dll"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:1524
-