539d94b81480df672bf2de2cacf076208bd49046de997c474553db297cfc6f68

Analysis

max time kernel
160s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 09:21

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General

Target

63538ba1194fb6edab5a7405d3dc61c7.exe
Size

262KB
MD5

63538ba1194fb6edab5a7405d3dc61c7
SHA1

2f3a6f25f39a86ce43c6f4e936ff2911c5285029
SHA256

539d94b81480df672bf2de2cacf076208bd49046de997c474553db297cfc6f68
SHA512

8b0e06d90794870b88669fcc6fc01bee457364923066670ee4ae81ddc92b5b46acb69f65f7fbde92589fe64e79926f638709abda9312d0b06c055faa4fccdf0d
SSDEEP

6144:i7Y3QPWMcdCHQdvX+kAyGGrnvYh/TMPEUrODC0:i7Y3TC0AKvYpTLe0

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\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\63538B~1.EXE,"	63538ba1194fb6edab5a7405d3dc61c7.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\63538B~1.EXE"	63538ba1194fb6edab5a7405d3dc61c7.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\6634415f = "ýÓZºoV\x13beÅõs(\x17“8«\x01wÝŒ©Mã°ûUB;\x1b1\x14×s]„$rÑT÷U‰\x10ƒ%á?‹Ý\x17“j¶?\x1d\u00a0ÄïÛe¸ÿXÅøgâxT\u0081N«™´¾?YQ¨†71Ÿ9>s¨¾Hl\x10©\x7f–#xk¾áGð3†\aAy_”qà7óVK\x1f1¯`ÙñI_ÿ1‘¯`\x1e\x18Áà&QñaY©D¹3l\u008fé$w9¿Ÿ¡\x7f/áA\x1e4)\u0081Pù±<G¤?G§Ë+#£"	63538ba1194fb6edab5a7405d3dc61c7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\63538B~1.EXE"	63538ba1194fb6edab5a7405d3dc61c7.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe
1672	63538ba1194fb6edab5a7405d3dc61c7.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1672	63538ba1194fb6edab5a7405d3dc61c7.exe
Token: SeSecurityPrivilege	1672	63538ba1194fb6edab5a7405d3dc61c7.exe
Token: SeSecurityPrivilege	1672	63538ba1194fb6edab5a7405d3dc61c7.exe
Token: SeSecurityPrivilege	1672	63538ba1194fb6edab5a7405d3dc61c7.exe

C:\Users\Admin\AppData\Local\Temp\63538ba1194fb6edab5a7405d3dc61c7.exe
"C:\Users\Admin\AppData\Local\Temp\63538ba1194fb6edab5a7405d3dc61c7.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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/1672-0-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1672-1-0x0000000002300000-0x0000000002369000-memory.dmp

Filesize
420KB

Download
memory/1672-2-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1672-4-0x0000000000690000-0x00000000006AE000-memory.dmp

Filesize
120KB

Download
memory/1672-6-0x00000000024D0000-0x0000000002590000-memory.dmp

Filesize
768KB

Download
memory/1672-7-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-9-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-10-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-13-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-12-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-59-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-60-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-61-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-62-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-64-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-65-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-67-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-68-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-72-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-74-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-76-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-78-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-82-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-83-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-87-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-91-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-95-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-98-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-105-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-104-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-109-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-103-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-102-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-101-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-97-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-96-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-93-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-89-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-85-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-81-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-70-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download
memory/1672-186-0x0000000002300000-0x0000000002369000-memory.dmp

Filesize
420KB

Download
memory/1672-319-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1672-575-0x0000000002A70000-0x0000000002B38000-memory.dmp

Filesize
800KB

Download