d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e

General

Target

d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe
Size

87KB
MD5

8944bc22235936b73bdf874bfa4d1a64
SHA1

6f48fb18ffd6497fbdc951b4d96340e878921d91
SHA256

d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e
SHA512

e3d637bdb3d5c4fda8a34eb3f47bdee837c514c5481067cf8c20a523430ca2b5bcd8ea20c5c79d7ea3c627b214cf89dc59c96c6d1a3983f6c77a489c489de9c2

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\sdra64.exe,"	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe

Drops file in System32 directory 2 IoCs

Processes:

d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\sdra64.exe	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe
File created	C:\Windows\SysWOW64\sdra64.exe	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe

pid	process
832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe
832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe
832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe
832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe

description pid process

Token: SeDebugPrivilege 832 d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe

description	pid	process
Token: SeDebugPrivilege	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe

description	pid	process	target process
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe
PID 832 wrote to memory of 568	832	d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe	winlogon.exe

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:568

C:\Users\Admin\AppData\Local\Temp\d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe
"C:\Users\Admin\AppData\Local\Temp\d1bf7ec60bcb74dd395f92a1ddb5a2a66e9913514e0f7428681e9a8d7fe25b1e.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:832

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

Replay Monitor

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Downloads

memory/832-2-0x0000000002130000-0x0000000002142000-memory.dmp

Filesize
72KB

Download
memory/832-3-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads