513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79

General

Target

513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79.exe
Size

22KB
MD5

50b1974f83dd6a3b216505d0eb18bfb4
SHA1

8d46e7d0fd7814fbf7fd061c1ea95128fe89bcd8
SHA256

513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79
SHA512

5bc647ada0f4b616feb38ed17959cdc82288440cb14c5328f1a84282ecb3e79a6144b6286efcd47f4a4048c7d064ce48efe565202661a6f4391fe682437a9f64
SSDEEP

384:PDNBnHLG1wOsbp2X70O0xrvlTiq03za92tPydkJn/4QVZSMzh3:7NBHLlPbp2r6lTiq03/1ydkdZcMh

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\	513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79.exe:*:Enabled:explorer"	513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000500000000b2d2-55.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1880	513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79.exe

Modifies WinLogon 2 TTPs 8 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\logon032\Startup = "logon032"	513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\logon032\Impersonate = "1"	513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\logon032\Asynchronous = "1"	513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\logon032\MaxWait = "1"	513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\logon032\nuk4key = "[3401633916792[Admin]"	513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\logon032	513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\logon032\DllName = "logon032.dll"	513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\logon032.dll	513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79.exe
File created	C:\Windows\SysWOW64\wnlogon.sys	513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79.exe
File opened for modification	C:\Windows\SysWOW64\wnlogon.sys	513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1880	513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
464	Process not Found

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 1344	1880	513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79.exe	15

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1344
- C:\Users\Admin\AppData\Local\Temp\513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79.exe
  "C:\Users\Admin\AppData\Local\Temp\513b60fa41c48298495f53a327d21ae78acf60836ddcb5dfd3c9f672d20b9b79.exe"
  2⤵
  - Modifies firewall policy service
  - Loads dropped DLL
  - Modifies WinLogon
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1880

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Windows\SysWOW64\logon032.dll

Filesize
17KB

MD5
29ce5c90602f8e04435bf89c9ae7a21c

SHA1
b97137f2e6f07d1280cd33ec345293f7dcabbb35

SHA256
70156edd50946a426baccf0788852ec53f8c51f260781b25e7e10ee39e49d82e

SHA512
c94a043e3816f0c17e957dd912abc3d989db9b3246fd92a0115f1c84591438a845dc8e14f5637933bfba313131ce76aa71e239f603fadf02ff041cc50b3e81dd

Download Submit
memory/1880-54-0x0000000075D71000-0x0000000075D73000-memory.dmp

Filesize
8KB

Download
memory/1880-56-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1880-57-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads