53f95d374ced8be3217420dd197256d37132f38512bfdd15898faea2a7c85424

General

Target

53f95d374ced8be3217420dd197256d37132f38512bfdd15898faea2a7c85424.exe
Size

157KB
MD5

f065a49b98006266d3c011477b78c8d5
SHA1

aec187b78c78a8ca73aa0e169fa1f15b6587c0aa
SHA256

53f95d374ced8be3217420dd197256d37132f38512bfdd15898faea2a7c85424
SHA512

8f6bb966fb2104ea2c59d678a6f83fb5553e335f18232413aec97d6cfbae3fbbc7335aac5f9e3a63bba9c4b7560362f91dca8d48f69014fa9622313dc37a32b0
SSDEEP

3072:YeojyYsAq/C3RCzgJHvNA1PpYfFL6zU+BEfi:7ojjqahUSPe1SZ+h

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

svchost.exe

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

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

3004 svchost.exe

Loads dropped DLL 2 IoCs

Processes:

53f95d374ced8be3217420dd197256d37132f38512bfdd15898faea2a7c85424.exe

pid	process
3008	53f95d374ced8be3217420dd197256d37132f38512bfdd15898faea2a7c85424.exe
3008	53f95d374ced8be3217420dd197256d37132f38512bfdd15898faea2a7c85424.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

53f95d374ced8be3217420dd197256d37132f38512bfdd15898faea2a7c85424.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\57a6c0e7 = "C:\\Windows\\apppatch\\svchost.exe"	53f95d374ced8be3217420dd197256d37132f38512bfdd15898faea2a7c85424.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\57a6c0e7 = "C:\\Windows\\apppatch\\svchost.exe"	svchost.exe

Drops file in Windows directory 2 IoCs

Processes:

53f95d374ced8be3217420dd197256d37132f38512bfdd15898faea2a7c85424.exe

description	ioc	process
File created	C:\Windows\apppatch\svchost.exe	53f95d374ced8be3217420dd197256d37132f38512bfdd15898faea2a7c85424.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	53f95d374ced8be3217420dd197256d37132f38512bfdd15898faea2a7c85424.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

svchost.exe

pid	process
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe
3004	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

53f95d374ced8be3217420dd197256d37132f38512bfdd15898faea2a7c85424.exe

pid process

3008 53f95d374ced8be3217420dd197256d37132f38512bfdd15898faea2a7c85424.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

53f95d374ced8be3217420dd197256d37132f38512bfdd15898faea2a7c85424.exe

description	pid	process	target process
PID 3008 wrote to memory of 3004	3008	53f95d374ced8be3217420dd197256d37132f38512bfdd15898faea2a7c85424.exe	svchost.exe
PID 3008 wrote to memory of 3004	3008	53f95d374ced8be3217420dd197256d37132f38512bfdd15898faea2a7c85424.exe	svchost.exe
PID 3008 wrote to memory of 3004	3008	53f95d374ced8be3217420dd197256d37132f38512bfdd15898faea2a7c85424.exe	svchost.exe
PID 3008 wrote to memory of 3004	3008	53f95d374ced8be3217420dd197256d37132f38512bfdd15898faea2a7c85424.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\53f95d374ced8be3217420dd197256d37132f38512bfdd15898faea2a7c85424.exe
"C:\Users\Admin\AppData\Local\Temp\53f95d374ced8be3217420dd197256d37132f38512bfdd15898faea2a7c85424.exe"
1⤵
- Loads dropped DLL
- Modifies WinLogon
- Drops file in Windows directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3008

C:\Windows\apppatch\svchost.exe
"C:\Windows\apppatch\svchost.exe"
2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
PID:3004

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Winlogon Helper DLL

2

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Winlogon Helper DLL

2

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Windows\AppPatch\svchost.exe
Filesize
157KB

MD5
b548289b5b03072ef8a430da4374291b

SHA1
370bb4a7e7a204fcd5b51f321e743ba439d539a5

SHA256
479ea5b6d103e3269ff89205e543af9b0c07c1b8e286d68f52a215edd0b57e5a

SHA512
2c08b8d24c390300a0884453816e6d0a9c48f66acfc9edf8cbd3056c82fbc646bd067c015b3293eeaa01bb63b7d6d409664d914fa95937933aa4f8693c800df6

Download Submit
memory/3004-14-0x0000000000420000-0x0000000000466000-memory.dmp

Filesize
280KB

Download
memory/3004-24-0x0000000000420000-0x0000000000466000-memory.dmp

Filesize
280KB

Download
memory/3004-22-0x0000000000420000-0x0000000000466000-memory.dmp

Filesize
280KB

Download
memory/3004-20-0x0000000000420000-0x0000000000466000-memory.dmp

Filesize
280KB

Download
memory/3004-18-0x0000000000420000-0x0000000000466000-memory.dmp

Filesize
280KB

Download
memory/3004-16-0x0000000000420000-0x0000000000466000-memory.dmp

Filesize
280KB

Download
memory/3004-25-0x00000000004B0000-0x00000000004FA000-memory.dmp

Filesize
296KB

Download
memory/3004-27-0x00000000004B0000-0x00000000004FA000-memory.dmp

Filesize
296KB

Download
memory/3004-29-0x00000000004B0000-0x00000000004FA000-memory.dmp

Filesize
296KB

Download
memory/3004-33-0x00000000004B0000-0x00000000004FA000-memory.dmp

Filesize
296KB

Download
memory/3008-13-0x0000000000D70000-0x0000000000DA0000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads