e2a96f34a6cbbd9d901a52065912af7c62c233d10720468b17091bf5671aa437

Analysis

max time kernel
140s
max time network
119s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31/12/2023, 05:42

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General

Target

2a72f9ccc12e8210a6b41497735ce4f8.exe
Size

49KB
MD5

2a72f9ccc12e8210a6b41497735ce4f8
SHA1

106898abcefb08117f8d5dc145288d433a044346
SHA256

e2a96f34a6cbbd9d901a52065912af7c62c233d10720468b17091bf5671aa437
SHA512

d967ce4cc17e797617cd95b27675d4c07acca2a4ac5ca7d7558fbf8867beaac3361df48d16f9b329035f57aaa167cdaee9a962334ec38dcd0272915525426291
SSDEEP

768:f3HvDOOb1b8FRktVfXiWy4PjVNxcvcZz4P4ZzF7HDyDaYvEIfsF8VpUsUfz:/iYbVfiWykAv+ZzJe0IkFG

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,"	2a72f9ccc12e8210a6b41497735ce4f8.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ntos.exe	2a72f9ccc12e8210a6b41497735ce4f8.exe
File created	C:\Windows\SysWOW64\ntos.exe	2a72f9ccc12e8210a6b41497735ce4f8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2076	2a72f9ccc12e8210a6b41497735ce4f8.exe
2076	2a72f9ccc12e8210a6b41497735ce4f8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2076	2a72f9ccc12e8210a6b41497735ce4f8.exe

C:\Users\Admin\AppData\Local\Temp\2a72f9ccc12e8210a6b41497735ce4f8.exe
"C:\Users\Admin\AppData\Local\Temp\2a72f9ccc12e8210a6b41497735ce4f8.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2076

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/2076-1-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2076-0-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2076-6-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download