bf3b531b5a4ac788e87982329c4b3e5a706e6bb09d2af99e172df5e8178d5ae7

Analysis

max time kernel
115s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
20/10/2022, 06:47

Sharing

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Reason

Machine shutdown

Report Analysis Logs

General

Target

bf3b531b5a4ac788e87982329c4b3e5a706e6bb09d2af99e172df5e8178d5ae7.exe
Size

84KB
MD5

44e4edfe0468dea829bc1083046eda53
SHA1

4a5e0ac95c760448e817f5d4f9a74530ae17ebd1
SHA256

bf3b531b5a4ac788e87982329c4b3e5a706e6bb09d2af99e172df5e8178d5ae7
SHA512

c703fb815bff220db5848785c97223a2aadbd203040b0d19b531884449e149fa2e75aa8145f5637d19b2906e7ccebb1db8a3af62c555b482020c9e65ee26e374
SSDEEP

1536:ZyDu9dUshHWWHHHtCu/W6DdrCwL5vbwGkuYtUEoWoht5SvF7LHoB:vmjWQu/bxrBJbwGpacT5I9LHoB

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\ihzumvf.dll	bf3b531b5a4ac788e87982329c4b3e5a706e6bb09d2af99e172df5e8178d5ae7.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
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\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\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "174"	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\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\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "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
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\ColorizationAfterglowBalance = "10"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2720	bf3b531b5a4ac788e87982329c4b3e5a706e6bb09d2af99e172df5e8178d5ae7.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5064	LogonUI.exe

C:\Users\Admin\AppData\Local\Temp\bf3b531b5a4ac788e87982329c4b3e5a706e6bb09d2af99e172df5e8178d5ae7.exe
"C:\Users\Admin\AppData\Local\Temp\bf3b531b5a4ac788e87982329c4b3e5a706e6bb09d2af99e172df5e8178d5ae7.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:2720

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39dc055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:5064

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/2720-135-0x0000000001000000-0x0000000001016000-memory.dmp

Filesize
88KB

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memory/2720-136-0x0000000001000000-0x0000000001016000-memory.dmp

Filesize
88KB

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