93860f88686b44d22b38a6a8d40ba3a0b6ebe64d4217fda46fb5d23a005e493f

Analysis

max time kernel
9s
max time network
13s
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 10:02

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Reason

Machine shutdown

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General

Target

93860f88686b44d22b38a6a8d40ba3a0b6ebe64d4217fda46fb5d23a005e493f.exe
Size

88KB
MD5

040b9d41782a28966c850809decfdfe5
SHA1

8435ef36ae56d7d58931923c296748ca12d5f734
SHA256

93860f88686b44d22b38a6a8d40ba3a0b6ebe64d4217fda46fb5d23a005e493f
SHA512

f1a369d556d2f9443c933db3562d1ebe3d06820dd5f9725d532dc4ea79c561ac1d86671676ee8ceb93a871a338a4334c77a7eecaf374594fc89fcd98fccc625c
SSDEEP

1536:/PtLHLbIAgOQ9daaeikmi2uURbS+HSPy+ti4Xkmm+6HouXJlIU:/Fr/ZPQDaodbRTSPy8KZjHoCJlIU

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:

93860f88686b44d22b38a6a8d40ba3a0b6ebe64d4217fda46fb5d23a005e493f.exe

description ioc process

File created C:\Windows\SysWOW64\cahvkpc.dll 93860f88686b44d22b38a6a8d40ba3a0b6ebe64d4217fda46fb5d23a005e493f.exe

description	ioc	process
File created	C:\Windows\SysWOW64\cahvkpc.dll	93860f88686b44d22b38a6a8d40ba3a0b6ebe64d4217fda46fb5d23a005e493f.exe

Modifies data under HKEY_USERS 15 IoCs

Processes:

LogonUI.exe

description	ioc	process
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\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
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\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	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
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

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

93860f88686b44d22b38a6a8d40ba3a0b6ebe64d4217fda46fb5d23a005e493f.exe

description pid process

Token: SeShutdownPrivilege 1608 93860f88686b44d22b38a6a8d40ba3a0b6ebe64d4217fda46fb5d23a005e493f.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

LogonUI.exe

pid process

4812 LogonUI.exe

description	pid	process
Token: SeShutdownPrivilege	1608	93860f88686b44d22b38a6a8d40ba3a0b6ebe64d4217fda46fb5d23a005e493f.exe

pid	process
4812	LogonUI.exe

C:\Users\Admin\AppData\Local\Temp\93860f88686b44d22b38a6a8d40ba3a0b6ebe64d4217fda46fb5d23a005e493f.exe
"C:\Users\Admin\AppData\Local\Temp\93860f88686b44d22b38a6a8d40ba3a0b6ebe64d4217fda46fb5d23a005e493f.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:1608

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39e4055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4812

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/1608-132-0x0000000001000000-0x0000000001017000-memory.dmp

Filesize
92KB

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memory/1608-133-0x0000000001000000-0x0000000001017000-memory.dmp

Filesize
92KB

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