35377622d50d73636297a1b378ffb0d3c8662dec555a4b11963d91678f6673da

Analysis

max time kernel
59s
max time network
88s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2022 09:16

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Reason

Machine shutdown

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General

Target

35377622d50d73636297a1b378ffb0d3c8662dec555a4b11963d91678f6673da.exe
Size

79KB
MD5

301f18525f0550851175c9b30c6afa20
SHA1

900bb0bcd4d06a96c26f058473944347d4675bcd
SHA256

35377622d50d73636297a1b378ffb0d3c8662dec555a4b11963d91678f6673da
SHA512

c858f7b3470526d7302c28f5cde1ed84580d99be7328683324c89bd222620ae319a50a1f60129106f585282413b132293d2286b0abb9e8903168b97b2af0eedb
SSDEEP

1536:OwrBa5B/ltw6brmYIienIymdXVkE1akenxUlPOjhAoHJlIK:nw5VI63IRbmdXV7venKPQAoHJlIK

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\ovukafg.dll	35377622d50d73636297a1b378ffb0d3c8662dec555a4b11963d91678f6673da.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	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\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	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\DWM\ColorizationGlassAttribute = "1"	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\EnableWindowColorization = "174"	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\ColorizationAfterglow = "3288365271"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	620	35377622d50d73636297a1b378ffb0d3c8662dec555a4b11963d91678f6673da.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4928	LogonUI.exe

C:\Users\Admin\AppData\Local\Temp\35377622d50d73636297a1b378ffb0d3c8662dec555a4b11963d91678f6673da.exe
"C:\Users\Admin\AppData\Local\Temp\35377622d50d73636297a1b378ffb0d3c8662dec555a4b11963d91678f6673da.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:620

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39d4855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4928

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/620-132-0x0000000001000000-0x0000000001016000-memory.dmp

Filesize
88KB

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memory/620-133-0x0000000001000000-0x0000000001016000-memory.dmp

Filesize
88KB

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