cb8c51c9a8ce7a957640a2b33a95a08f2936055834170394176dd3d079ea0172

Analysis

max time kernel
13s
max time network
20s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2022, 04:50

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Reason

Machine shutdown

Report Analysis Logs

General

Target

cb8c51c9a8ce7a957640a2b33a95a08f2936055834170394176dd3d079ea0172.exe
Size

84KB
MD5

7c8d0f74f6d2f1b0f1d40a120d9efbae
SHA1

a7ee2d41e61eec5ca946193bb548899de7c604b9
SHA256

cb8c51c9a8ce7a957640a2b33a95a08f2936055834170394176dd3d079ea0172
SHA512

19f9d8f39e1e966e4f5a9e37f52915b92d17c7d0b4dac9946c86b765a8d67375c8bf1c7b5abd488aea3393aed1a3ea104252f1040e24681e84d93084fe59fb4c
SSDEEP

1536:+oikayYALqYRz3Lz7qr/ntwuGON+uD5mdpEUeOA5eU3zM3RwLxrkC9gtYoWoht5z:1GERz7qr/nllUuDYRHky3WCT5I9LHoB

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

description	ioc	Process
File created	C:\Windows\SysWOW64\biotefj.dll	cb8c51c9a8ce7a957640a2b33a95a08f2936055834170394176dd3d079ea0172.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
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\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	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
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
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	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\DWM\ColorizationAfterglowBalance = "10"	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\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\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1180	cb8c51c9a8ce7a957640a2b33a95a08f2936055834170394176dd3d079ea0172.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1256	LogonUI.exe

C:\Users\Admin\AppData\Local\Temp\cb8c51c9a8ce7a957640a2b33a95a08f2936055834170394176dd3d079ea0172.exe
"C:\Users\Admin\AppData\Local\Temp\cb8c51c9a8ce7a957640a2b33a95a08f2936055834170394176dd3d079ea0172.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:1180

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39f1855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1256

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

Replay Monitor

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Downloads

memory/1180-132-0x0000000001000000-0x0000000001016000-memory.dmp

Filesize
88KB

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memory/1180-133-0x0000000001000000-0x0000000001016000-memory.dmp

Filesize
88KB

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