8606cc21e6dbcc895ae345ca4d8a7fe7db3c3c4a70b563f151f1d3014f93b644

Analysis

max time kernel
169s
max time network
206s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2022 01:49

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General

Target

8606cc21e6dbcc895ae345ca4d8a7fe7db3c3c4a70b563f151f1d3014f93b644.exe
Size

92KB
MD5

c6f9e587d4bd1d69b6aaa3158e3a93e3
SHA1

f41068083a2e153eb865b68e6ddbac825210c8fc
SHA256

8606cc21e6dbcc895ae345ca4d8a7fe7db3c3c4a70b563f151f1d3014f93b644
SHA512

767d17bfacba995631cb17c5b5c28ef966933b16418c440b59c769e742bdd99205a1e702c12e34a99fa68d14e2c1ab2deb5e3a94042ea27f897b931b9a39b7ae
SSDEEP

1536:wgPA1zDA0yULmND9SeLHuvZwRDmJ6hrwsHxinSZ6QQsol3bo8JlIU:qzDA0749jLOvyRKJ6hrpina6QRoBbo8X

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\velhhya.dll	8606cc21e6dbcc895ae345ca4d8a7fe7db3c3c4a70b563f151f1d3014f93b644.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\ColorizationGlassAttribute = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	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
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\AccentColorMenu = "4292311040"	LogonUI.exe
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
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "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 = "147"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4988	8606cc21e6dbcc895ae345ca4d8a7fe7db3c3c4a70b563f151f1d3014f93b644.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1672	LogonUI.exe

C:\Users\Admin\AppData\Local\Temp\8606cc21e6dbcc895ae345ca4d8a7fe7db3c3c4a70b563f151f1d3014f93b644.exe
"C:\Users\Admin\AppData\Local\Temp\8606cc21e6dbcc895ae345ca4d8a7fe7db3c3c4a70b563f151f1d3014f93b644.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:4988

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39df855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1672

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/4988-132-0x0000000001000000-0x0000000001018000-memory.dmp

Filesize
96KB

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memory/4988-133-0x0000000001000000-0x0000000001018000-memory.dmp

Filesize
96KB

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