47841b7e4642309f65ed45b18d15417feb39b23ab17e654ecf9368f466086b85

Analysis

max time kernel
141s
max time network
127s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31/12/2023, 06:23

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2b9a38459611b421c4dc44c6ba4fc4c8.exe
Size

48KB
MD5

2b9a38459611b421c4dc44c6ba4fc4c8
SHA1

70481b3fe4e576bfe4082c28a25a612fbec40101
SHA256

47841b7e4642309f65ed45b18d15417feb39b23ab17e654ecf9368f466086b85
SHA512

4e90e7df5b04a4a2dd64536b2b92f2a224bbbd9c4bd412c2b003599b08be766bb5ec0b8d11d3b31e6a889e6fb0324a9efb7b684415cfdb7939e83630f97e41e8
SSDEEP

768:UQQCJT8ua3dJplnCCKQlL1JEXpSHunFKvUMjrYr1BzFNJ61XjE:VlJTZa3dd1KQZKwHu4vUarYjXUA

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "userinit.exe,C:\\Windows\\system32\\ntos.exe,"	2b9a38459611b421c4dc44c6ba4fc4c8.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ntos.exe	2b9a38459611b421c4dc44c6ba4fc4c8.exe
File opened for modification	C:\Windows\SysWOW64\ntos.exe	2b9a38459611b421c4dc44c6ba4fc4c8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2116	2b9a38459611b421c4dc44c6ba4fc4c8.exe
2116	2b9a38459611b421c4dc44c6ba4fc4c8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	2b9a38459611b421c4dc44c6ba4fc4c8.exe

C:\Users\Admin\AppData\Local\Temp\2b9a38459611b421c4dc44c6ba4fc4c8.exe
"C:\Users\Admin\AppData\Local\Temp\2b9a38459611b421c4dc44c6ba4fc4c8.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2116-0-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2116-4-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2116-5-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2116-1-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download