0ca82573cce8eccde20dff429734dbd163bcdd4170f6ac6c01e0302423b0a1f0

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29/12/2023, 23:30

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General

Target

06f7db0dfa0d58eba718d6f2a44d947d.exe
Size

46KB
MD5

06f7db0dfa0d58eba718d6f2a44d947d
SHA1

67f76933752b4404e2867321935e20893aa25f51
SHA256

0ca82573cce8eccde20dff429734dbd163bcdd4170f6ac6c01e0302423b0a1f0
SHA512

5ba2f5a18fdaa0e6fc8d0a43330163e70ebe5ea7c7e6e6b6400996153e83403d0493c74e987259c724b325b49d4d2f8dd60c423dc6b03e3dcd274ff1c770a266
SSDEEP

768:9/YxS1tMYJB7aUwwEw1VbX8FcdBDNqcb8t22AtG/X:qE1tMYHwUbbsgBBqgyw0

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,"	06f7db0dfa0d58eba718d6f2a44d947d.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ntos.exe	06f7db0dfa0d58eba718d6f2a44d947d.exe
File created	C:\Windows\SysWOW64\ntos.exe	06f7db0dfa0d58eba718d6f2a44d947d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3028	06f7db0dfa0d58eba718d6f2a44d947d.exe
3028	06f7db0dfa0d58eba718d6f2a44d947d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3028	06f7db0dfa0d58eba718d6f2a44d947d.exe

C:\Users\Admin\AppData\Local\Temp\06f7db0dfa0d58eba718d6f2a44d947d.exe
"C:\Users\Admin\AppData\Local\Temp\06f7db0dfa0d58eba718d6f2a44d947d.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3028

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

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Downloads

memory/3028-4-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3028-1-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3028-0-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download