c73f6938015c5fe905cdb4ff07d4a562f660ba8b9535ae91a9dbd80aa658ca78

Analysis

max time kernel
91s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2022, 10:06

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General

Target

c73f6938015c5fe905cdb4ff07d4a562f660ba8b9535ae91a9dbd80aa658ca78.exe
Size

140KB
MD5

04b3cdae5875af50bbf83002d8ae8e55
SHA1

b74c3308cdb71b9082d60280aa20f0cecb0a40f1
SHA256

c73f6938015c5fe905cdb4ff07d4a562f660ba8b9535ae91a9dbd80aa658ca78
SHA512

4a020c3c833b27ca4f2e1bb2bf52d75a6e14f206680c91374b990850bbf810a7d4afc551c437436881b890e2bda4adfaeb1132b3f95f3182cc3f79e145ab0221
SSDEEP

3072:CGHFnzn7ZSBYfkVoFdRrqo0aRaA/HF673+UWHIfr:pRNkVsuaRaU6mHG

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe C:\\WINDOWS\\Media\\Installed\\wmpupdate.exe"	c73f6938015c5fe905cdb4ff07d4a562f660ba8b9535ae91a9dbd80aa658ca78.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\Media\Installed	c73f6938015c5fe905cdb4ff07d4a562f660ba8b9535ae91a9dbd80aa658ca78.exe
File opened for modification	C:\WINDOWS\Media\Installed\wmpupdate.exe	c73f6938015c5fe905cdb4ff07d4a562f660ba8b9535ae91a9dbd80aa658ca78.exe
File opened for modification	C:\WINDOWS\Media\Installed\MSWINSCK.OCX	c73f6938015c5fe905cdb4ff07d4a562f660ba8b9535ae91a9dbd80aa658ca78.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4316	c73f6938015c5fe905cdb4ff07d4a562f660ba8b9535ae91a9dbd80aa658ca78.exe

C:\Users\Admin\AppData\Local\Temp\c73f6938015c5fe905cdb4ff07d4a562f660ba8b9535ae91a9dbd80aa658ca78.exe
"C:\Users\Admin\AppData\Local\Temp\c73f6938015c5fe905cdb4ff07d4a562f660ba8b9535ae91a9dbd80aa658ca78.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:4316

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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