e5cc8c85d0390f9a1b58ff1223ee61a5849b2f8ff987c371881f4f13eba78e14

Analysis

max time kernel
4s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 06:59

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General

Target

119d7ef75b0b0f659a346c2799698c1a.exe
Size

255KB
MD5

119d7ef75b0b0f659a346c2799698c1a
SHA1

148514ab43642a14b7da3ed45acb55fe89e6b6cc
SHA256

e5cc8c85d0390f9a1b58ff1223ee61a5849b2f8ff987c371881f4f13eba78e14
SHA512

cb11677ed62a5fb43fe4afe8ba28b8d47d233441a87ee154ca2ee9ca3ee7f36ab362bdc0d698b47c2de553e961bc956212cae5a3c9bd8920044b01dfeaa30a35
SSDEEP

6144:5NU2+2kcTBWUZxjCld3hRV2QsXSAaj4ijpFaQTQisa:5NRdpgdRRoTCD4ijpoix

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\\119D7E~1.EXE,"	119d7ef75b0b0f659a346c2799698c1a.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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\119D7E~1.EXE"	119d7ef75b0b0f659a346c2799698c1a.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\42ef0d6a = "ÿjÂS×q£Ï¤´ÔËíxSàMSÅUl¸`\rÄ¢¨@¸ùz\x06"	119d7ef75b0b0f659a346c2799698c1a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\119D7E~1.EXE"	119d7ef75b0b0f659a346c2799698c1a.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4640	119d7ef75b0b0f659a346c2799698c1a.exe
4640	119d7ef75b0b0f659a346c2799698c1a.exe
4640	119d7ef75b0b0f659a346c2799698c1a.exe
4640	119d7ef75b0b0f659a346c2799698c1a.exe
4640	119d7ef75b0b0f659a346c2799698c1a.exe
4640	119d7ef75b0b0f659a346c2799698c1a.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	4640	119d7ef75b0b0f659a346c2799698c1a.exe
Token: SeSecurityPrivilege	4640	119d7ef75b0b0f659a346c2799698c1a.exe
Token: SeSecurityPrivilege	4640	119d7ef75b0b0f659a346c2799698c1a.exe
Token: SeSecurityPrivilege	4640	119d7ef75b0b0f659a346c2799698c1a.exe

C:\Users\Admin\AppData\Local\Temp\119d7ef75b0b0f659a346c2799698c1a.exe
"C:\Users\Admin\AppData\Local\Temp\119d7ef75b0b0f659a346c2799698c1a.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4640

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/4640-0-0x0000000000400000-0x0000000000533000-memory.dmp

Filesize
1.2MB

Download
memory/4640-1-0x00000000007B0000-0x0000000000807000-memory.dmp

Filesize
348KB

Download
memory/4640-2-0x0000000000400000-0x0000000000533000-memory.dmp

Filesize
1.2MB

Download
memory/4640-4-0x0000000002650000-0x0000000002702000-memory.dmp

Filesize
712KB

Download
memory/4640-5-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-10-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-9-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-7-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-69-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-79-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-80-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-101-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-107-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-105-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-118-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-117-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-104-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-103-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-102-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-100-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-99-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-98-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-97-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-96-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-95-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-94-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-93-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-91-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-84-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-78-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-77-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-76-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-75-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-74-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-73-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-72-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-71-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-70-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-68-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-67-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-66-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-65-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-64-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-63-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download
memory/4640-448-0x00000000007B0000-0x0000000000807000-memory.dmp

Filesize
348KB

Download
memory/4640-693-0x0000000000400000-0x0000000000533000-memory.dmp

Filesize
1.2MB

Download
memory/4640-962-0x0000000002810000-0x00000000028C8000-memory.dmp

Filesize
736KB

Download