2950cbee6c343e8640e1c0cfc4ea6dcec773f36ee365a19e4758aa4beed05118

Analysis

max time kernel
9s
max time network
33s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 09:45

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General

Target

2950cbee6c343e8640e1c0cfc4ea6dcec773f36ee365a19e4758aa4beed05118.exe
Size

205KB
MD5

5606221828ac5cf18128132f9c24c312
SHA1

e13a6c52a29337fe209bec43360cca9ef32288d8
SHA256

2950cbee6c343e8640e1c0cfc4ea6dcec773f36ee365a19e4758aa4beed05118
SHA512

b612ec04672cc2edf247958b6a032f7d43b0ec020696c4ebc3f92ab856413aee46c5a48a68d02ba28a44d834b9d340e0499c1f91fd4603056974fcf478955670
SSDEEP

3072:7ofKHb2VlNTmV4/ORoRkU9wLZWbzsPH90t7lye7/ASWYBncS:7ofmbENTma/OlLZWbTEqncS

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

2950cbee6c343e8640e1c0cfc4ea6dcec773f36ee365a19e4758aa4beed05118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "userinit.exe,C:\\Windows\\system32\\ntos.exe,"	2950cbee6c343e8640e1c0cfc4ea6dcec773f36ee365a19e4758aa4beed05118.exe

Drops file in System32 directory 2 IoCs

Processes:

2950cbee6c343e8640e1c0cfc4ea6dcec773f36ee365a19e4758aa4beed05118.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\ntos.exe	2950cbee6c343e8640e1c0cfc4ea6dcec773f36ee365a19e4758aa4beed05118.exe
File created	C:\Windows\SysWOW64\ntos.exe	2950cbee6c343e8640e1c0cfc4ea6dcec773f36ee365a19e4758aa4beed05118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2950cbee6c343e8640e1c0cfc4ea6dcec773f36ee365a19e4758aa4beed05118.exe

pid	process
1484	2950cbee6c343e8640e1c0cfc4ea6dcec773f36ee365a19e4758aa4beed05118.exe
1484	2950cbee6c343e8640e1c0cfc4ea6dcec773f36ee365a19e4758aa4beed05118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

2950cbee6c343e8640e1c0cfc4ea6dcec773f36ee365a19e4758aa4beed05118.exe

description pid process

Token: SeDebugPrivilege 1484 2950cbee6c343e8640e1c0cfc4ea6dcec773f36ee365a19e4758aa4beed05118.exe

description	pid	process
Token: SeDebugPrivilege	1484	2950cbee6c343e8640e1c0cfc4ea6dcec773f36ee365a19e4758aa4beed05118.exe

C:\Users\Admin\AppData\Local\Temp\2950cbee6c343e8640e1c0cfc4ea6dcec773f36ee365a19e4758aa4beed05118.exe
"C:\Users\Admin\AppData\Local\Temp\2950cbee6c343e8640e1c0cfc4ea6dcec773f36ee365a19e4758aa4beed05118.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1484

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

Replay Monitor

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Downloads

memory/1484-54-0x0000000074F01000-0x0000000074F03000-memory.dmp

Filesize
8KB

Download
memory/1484-55-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download