Analysis
-
max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
16/07/2024, 11:06
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
MZDLOCK.exe
Resource
win7-20240705-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
MZDLOCK.exe
Resource
win10v2004-20240709-en
windows10-2004-x64
8 signatures
150 seconds
General
-
Target
MZDLOCK.exe
-
Size
185KB
-
MD5
f4570dc91ee628c8e1722466431e2e64
-
SHA1
df789f302a6b80cc9d73783a1a754152c344e4af
-
SHA256
0487434a083524a85ea60c2f2dc7f10374522c9aaf267946b75fe434d883eac3
-
SHA512
d2d2a63b5d0597383b6af46dec85571c65c0e252fb86bda61a91c65293d16ab33fc63ff1c418a5d2478a49e6cf45ec85189f43cf0abce1daccdd5096010d058a
-
SSDEEP
3072:YCRLqOq7YJDvLQzF/GtQEuHGiUmVZo30WBy/zuYrIKDto6fZIXX4x5n3:YCRLq37YJDQREUWA/zuqvmXX4x5
Score
5/10
Malware Config
Signatures
-
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\mzdlock.dll MZDLOCK.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3184 4424 WerFault.exe 82 -
Modifies Control Panel 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\Control Panel\Desktop\ScreenSaveTimeOut = "0" MZDLOCK.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4424 MZDLOCK.exe 4424 MZDLOCK.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4424 MZDLOCK.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe 4424 MZDLOCK.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4424 MZDLOCK.exe -
Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4424 wrote to memory of 616 4424 MZDLOCK.exe 5
Processes
-
C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:616
-
C:\Users\Admin\AppData\Local\Temp\MZDLOCK.exe"C:\Users\Admin\AppData\Local\Temp\MZDLOCK.exe"1⤵
- Drops file in System32 directory
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4424 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4424 -s 2922⤵
- Program crash
PID:3184
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4424 -ip 44241⤵PID:1888