84bc24ac260eefef876d0dd8954bf34a5c9ea9e5d08c07cd0225d0c8f1e1e98b

Analysis

max time kernel
153s
max time network
139s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 12:50

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

190c30651145f1f7799da7b957af1b93.exe
Size

48KB
MD5

190c30651145f1f7799da7b957af1b93
SHA1

1c4a7dd652d1cdd05aed22138bd392e7ebbc67cb
SHA256

84bc24ac260eefef876d0dd8954bf34a5c9ea9e5d08c07cd0225d0c8f1e1e98b
SHA512

73666d25a0545ad43ab7b7bea8aee65c04ad534e01954cf1e953af37476c3e0258525acfbfd5692f65c4513c6031d1dec97e272b71cc32071c86ca113de63b54
SSDEEP

1536:wmym3C8wOb5MUYlcka2BPPafWLp6m77ZIGS:hH3HwOma2IIIm7S

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,"	190c30651145f1f7799da7b957af1b93.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ntos.exe	190c30651145f1f7799da7b957af1b93.exe
File opened for modification	C:\Windows\SysWOW64\ntos.exe	190c30651145f1f7799da7b957af1b93.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2296	190c30651145f1f7799da7b957af1b93.exe
2296	190c30651145f1f7799da7b957af1b93.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2296	190c30651145f1f7799da7b957af1b93.exe

C:\Users\Admin\AppData\Local\Temp\190c30651145f1f7799da7b957af1b93.exe
"C:\Users\Admin\AppData\Local\Temp\190c30651145f1f7799da7b957af1b93.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2296

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/2296-0-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2296-2-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2296-1-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2296-7-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download