2b9fc5425a407d707354298c59ceb30f601707ed5878687049bf15e088ce4c24

Analysis

max time kernel
302s
max time network
277s
platform
windows10_x64
resource
win10v20210410
submitted
18-08-2021 08:34

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General

Target

lcok.exe
Size

393KB
MD5

a96fd151b0afb913af10354e6f6ca1be
SHA1

709182b6336e1215e438c6456d50edb3b11c1fb3
SHA256

2b9fc5425a407d707354298c59ceb30f601707ed5878687049bf15e088ce4c24
SHA512

86e9fb857dc825afc3daf19bab482be337c507875d937596e5407a01ca903b1542793877b07e10d69a9b365438a34568945f2b15ccb3064a13a0356e6a7e73ac

Score

1^/10

Malware Config

Signatures

Modifies data under HKEY_USERS 15 IoCs

Processes:

LogonUI.exe

description	ioc	process
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\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	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\ColorizationBlurBalance = "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\CurrentVersion\Themes\History\AutoColor = "0"	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\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "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\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe

Suspicious behavior: LoadsDriver 64 IoCs

Processes:

pid	process
4144
1628
4264
4268
4252
4240
4248
4232
4220
4280
3332
4332
4384
2828
4376
4400
2852
4388
4392
2704
3820
2668
516
428
500
592
1008
192
208
3828
2620
648
652
4284
820
4300
4140
4304
3152
1884
3564
812
864
908
424
692
844
1044
1064
1124
1204
1232
1224
1288
1384
1428
1468
1536
1532
1584
1588
1712
1828
1836

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

LogonUI.exe

pid process

1832 LogonUI.exe
1832 LogonUI.exe

pid	process
1832	LogonUI.exe
1832	LogonUI.exe

C:\Users\Admin\AppData\Local\Temp\lcok.exe
"C:\Users\Admin\AppData\Local\Temp\lcok.exe"
1⤵
PID:4432

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0 /state0:0xa3acd855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1832

MITRE ATT&CK Matrix

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Downloads

memory/4432-114-0x0000000000E50000-0x0000000000E51000-memory.dmp

Filesize
4KB

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memory/4432-116-0x00000000056D0000-0x00000000056D1000-memory.dmp

Filesize
4KB

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads