9c3e744f4cb1898b1b99aed87baf0f429569ba5efa37ed00fdcea60704eff690

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
31/12/2023, 05:20

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General

Target

29c174c3fb242dbaa43ff5c897945c8d.exe
Size

48KB
MD5

29c174c3fb242dbaa43ff5c897945c8d
SHA1

901b47ee493826cb6774b5904313e11d295c05a7
SHA256

9c3e744f4cb1898b1b99aed87baf0f429569ba5efa37ed00fdcea60704eff690
SHA512

999db7f2cd3381177aaf8febb8a98a85f2524093190bff342132c0aad15bcd57fa85b7d033288ad7480a5f52e07be847ec375212c4be97d37241789dba5a1296
SSDEEP

1536:edivE3e1zYqIx30v/1J+ue5gN6/GYzowMqIP:exO1zfIWtJ+/75Mr

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,"	29c174c3fb242dbaa43ff5c897945c8d.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ntos.exe	29c174c3fb242dbaa43ff5c897945c8d.exe
File created	C:\Windows\SysWOW64\ntos.exe	29c174c3fb242dbaa43ff5c897945c8d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2512	29c174c3fb242dbaa43ff5c897945c8d.exe
2512	29c174c3fb242dbaa43ff5c897945c8d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2512	29c174c3fb242dbaa43ff5c897945c8d.exe

C:\Users\Admin\AppData\Local\Temp\29c174c3fb242dbaa43ff5c897945c8d.exe
"C:\Users\Admin\AppData\Local\Temp\29c174c3fb242dbaa43ff5c897945c8d.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2512

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/2512-1-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2512-0-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2512-6-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download