562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0

Analysis

max time kernel
152s
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
23-11-2022 09:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe
Size

4.0MB
MD5

dbf7cf4242162d9f96442d091081cb84
SHA1

729aabddc27569be04af0dd261249bddec0321cd
SHA256

562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0
SHA512

8a7e3f693acc936343a4d671ee8009b049ba4b8a22c978997e4ffd91cb0b78732d048a89620a016cfa4db838c4772d0e2f79e9bfe91a8a885948c1f418c1b8fe
SSDEEP

98304:wCjPKNZ0StVb4sUbpoyOmibD+Zupx8xNGVh:wCbGWWELpoyOm6veNGh

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "%AppData%\\Microsoft\\winlogon.exe,explorer.exe"	562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Adobe Reader = "%AppData%\\Microsoft\\winlogon.exe"	562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Adobe Reader = "%AppData%\\Microsoft\\winlogon.exe"	562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe

description	pid	process	target process
PID 2148 set thread context of 4192	2148	562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

920 4192 WerFault.exe svchost.exe

pid	pid_target	process	target process
920	4192	WerFault.exe	svchost.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe

pid	process
2148	562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe
2148	562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe
2148	562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe

pid	process
2148	562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe
2148	562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe
2148	562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe

description	pid	process	target process
PID 2148 wrote to memory of 4192	2148	562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe	svchost.exe
PID 2148 wrote to memory of 4192	2148	562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe	svchost.exe
PID 2148 wrote to memory of 4192	2148	562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe	svchost.exe
PID 2148 wrote to memory of 4192	2148	562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe
"C:\Users\Admin\AppData\Local\Temp\562405929b8de1d05cae02c1e654c21a7a961e5ef07c83f4c6d764194e0f46d0.exe"
1⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2148

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\System32\svchost.exe"
2⤵
PID:4192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4192 -s 84
3⤵
- Program crash
PID:920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4192 -ip 4192
1⤵
PID:912

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4192-132-0x0000000000000000-mapping.dmp

Download