6c53e07bd661e0f1b9ef1cb5b9ba00d215716bf4b21b36844e9a1c163b58c59a

Analysis

max time kernel
10s
max time network
17s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 16:56

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Reason

Machine shutdown

Report Analysis Logs

General

Target

6c53e07bd661e0f1b9ef1cb5b9ba00d215716bf4b21b36844e9a1c163b58c59a.exe
Size

80KB
MD5

bb7ee04a0d51754bb0b8f38bc961122d
SHA1

a76c5345ac1c9fa626e6fe492491a5472f7a6e13
SHA256

6c53e07bd661e0f1b9ef1cb5b9ba00d215716bf4b21b36844e9a1c163b58c59a
SHA512

8731de83211d75935df5d457c96633cd1bc4fbc68d2a852a770aa2b62d52f0b449d2baba26bdaee0c40f925fc08694b974f2621121bcc6d810a4c3599c320617
SSDEEP

1536:nNYIyfZB4fBBE2U6zQt+YbMBDUWtEDjCunwfzo5JlIx:nNYhT4Jqb6iwBlJun8zo5JlIx

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112
Drops file in System32 directory 1 IoCs

Processes:

6c53e07bd661e0f1b9ef1cb5b9ba00d215716bf4b21b36844e9a1c163b58c59a.exe

description ioc process

File created C:\Windows\SysWOW64\gtzbcqa.dll 6c53e07bd661e0f1b9ef1cb5b9ba00d215716bf4b21b36844e9a1c163b58c59a.exe

description	ioc	process
File created	C:\Windows\SysWOW64\gtzbcqa.dll	6c53e07bd661e0f1b9ef1cb5b9ba00d215716bf4b21b36844e9a1c163b58c59a.exe

Modifies data under HKEY_USERS 15 IoCs

Processes:

LogonUI.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "223"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

6c53e07bd661e0f1b9ef1cb5b9ba00d215716bf4b21b36844e9a1c163b58c59a.exe

description pid process

Token: SeShutdownPrivilege 4956 6c53e07bd661e0f1b9ef1cb5b9ba00d215716bf4b21b36844e9a1c163b58c59a.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

LogonUI.exe

pid process

4416 LogonUI.exe

description	pid	process
Token: SeShutdownPrivilege	4956	6c53e07bd661e0f1b9ef1cb5b9ba00d215716bf4b21b36844e9a1c163b58c59a.exe

pid	process
4416	LogonUI.exe

C:\Users\Admin\AppData\Local\Temp\6c53e07bd661e0f1b9ef1cb5b9ba00d215716bf4b21b36844e9a1c163b58c59a.exe
"C:\Users\Admin\AppData\Local\Temp\6c53e07bd661e0f1b9ef1cb5b9ba00d215716bf4b21b36844e9a1c163b58c59a.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:4956

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39e9855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4416

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4956-132-0x0000000001000000-0x0000000001016000-memory.dmp

Filesize
88KB

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memory/4956-133-0x0000000001000000-0x0000000001016000-memory.dmp

Filesize
88KB

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