4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea

General

Target

4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe
Size

59KB
MD5

ccb2db4a8a284f62db7002be470ac542
SHA1

b2bdb5ed1ff743117cdf8500a498e247febbb6ec
SHA256

4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea
SHA512

1472e175170bb13173963b479cd90e304b58554908b27caa0e813c47eaf8f85ac3783ce9240cab70a2d6349840ea5069cf44196695f64fdddf1a68ba1ce68f29

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\sdra64.exe,"	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe

Drops file in System32 directory 2 IoCs

Processes:

4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\sdra64.exe	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe
File created	C:\Windows\SysWOW64\sdra64.exe	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe

pid	process
412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe
412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe
412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe
412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe

description pid process

Token: SeDebugPrivilege 412 4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe

description	pid	process
Token: SeDebugPrivilege	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe

description	pid	process	target process
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe
PID 412 wrote to memory of 560	412	4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe	winlogon.exe

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:560

C:\Users\Admin\AppData\Local\Temp\4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe
"C:\Users\Admin\AppData\Local\Temp\4fb04b099a37aeae2f58685b8fb08bca298f8f68d5dfc45ceb9fa398e9f109ea.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:412

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/412-3-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/412-2-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads