c2955cfb56cbfcacce0b02a3ee62a59b46d13e11d843c645a4f4a42d84d6e269

Analysis

max time kernel
127s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2022 22:12

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General

Target

c2955cfb56cbfcacce0b02a3ee62a59b46d13e11d843c645a4f4a42d84d6e269.exe
Size

90KB
MD5

59af089477d79ee517afe22a8fd0da57
SHA1

6d6a7f24f4f533907fbc289965ed105b82949837
SHA256

c2955cfb56cbfcacce0b02a3ee62a59b46d13e11d843c645a4f4a42d84d6e269
SHA512

dacbe0148c14e5af35026cc7ca479678e9727d79d17962b90d283bae632f57ad897ac4e28f6515d9230f99c210d1c018b61c88e8dd2a1b87de70056c4eacc33f
SSDEEP

1536:FQvdqjODF780Iet/7UmdZizub7jkVkX7VaI4o7rhoWS1jcQnoUPf8JlI9F:FQvtJ7xIazUmdMu3gVhDo/KWEvo/JlID

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\ybyxpbb.dll	c2955cfb56cbfcacce0b02a3ee62a59b46d13e11d843c645a4f4a42d84d6e269.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	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 = "240"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	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\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\ColorizationColorBalance = "89"	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 (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\DWM	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1504	c2955cfb56cbfcacce0b02a3ee62a59b46d13e11d843c645a4f4a42d84d6e269.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4956	LogonUI.exe

C:\Users\Admin\AppData\Local\Temp\c2955cfb56cbfcacce0b02a3ee62a59b46d13e11d843c645a4f4a42d84d6e269.exe
"C:\Users\Admin\AppData\Local\Temp\c2955cfb56cbfcacce0b02a3ee62a59b46d13e11d843c645a4f4a42d84d6e269.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:1504

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39d6855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4956

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/1504-132-0x0000000001000000-0x0000000001019000-memory.dmp

Filesize
100KB

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memory/1504-133-0x0000000001000000-0x0000000001019000-memory.dmp

Filesize
100KB

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