8c4c5b5b89964f1137e5de3fac6a4f9161db326b5af465b39d7f0d8ac402ffe4

Analysis

max time kernel
71s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2022, 07:17

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Reason

Machine shutdown

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General

Target

8c4c5b5b89964f1137e5de3fac6a4f9161db326b5af465b39d7f0d8ac402ffe4.exe
Size

100KB
MD5

7c51d581af8f1d99e487e20754b27ce5
SHA1

d3746f77caefe2b2c2ad8819376c682acc1dda35
SHA256

8c4c5b5b89964f1137e5de3fac6a4f9161db326b5af465b39d7f0d8ac402ffe4
SHA512

acf5fe14d32b947114ed0dedea6654d3c1811d4e1bd3ab51704973fa51eab57f8520caf407f7b84ccb6eea3320e37f195d95e44fea2a3c1df5110c9c49be00c7
SSDEEP

1536:0JtXrBXo9ce1yWaHAZw2qtuPA8UFKNmNn2cNIfYknaFK3LdY/U7b:2NBXoWEyFg+2qtuuBNn57qC/U7b

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\cjxozuk.dll	8c4c5b5b89964f1137e5de3fac6a4f9161db326b5af465b39d7f0d8ac402ffe4.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	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\DWM\ColorizationBlurBalance = "1"	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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	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\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\AccentColor = "4292311040"	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\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	364	8c4c5b5b89964f1137e5de3fac6a4f9161db326b5af465b39d7f0d8ac402ffe4.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4008	LogonUI.exe

C:\Users\Admin\AppData\Local\Temp\8c4c5b5b89964f1137e5de3fac6a4f9161db326b5af465b39d7f0d8ac402ffe4.exe
"C:\Users\Admin\AppData\Local\Temp\8c4c5b5b89964f1137e5de3fac6a4f9161db326b5af465b39d7f0d8ac402ffe4.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:364

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39d3855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4008

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/364-132-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

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memory/364-133-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

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