Analysis
- max time kernel
22s - max time network
152s - platform
windows10_x64 - resource
win10v20210410 - submitted
16/07/2021, 23:34
Static task
static1
Behavioral task
behavioral1
Sample
keygen-step-3.exe
Resource
win7v20210408
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
keygen-step-3.exe
Resource
win10v20210410
0 signatures
0 seconds
General
- Target keygen-step-3.exe
- Size 869KB
- Sample210716-b9pc4ssmrx
- SHA256 da3b8a88c93f49e1d197caa2157876fc794b5cb3caaa69b482f5abf8ddbc523c
- MD5 b3f14137a8c5a1dc9d69f03cdd85f7c8
- SHA1 13f13324419ca3fc671dd3946f4d43fcab3b6ff7
- SHA512 02bcfd8094990c51fa33704617b60512cbe15b101f5630a9b24aa980d9e768804c9a60f22abda7d8a0595f9a872c5ba07c5fafa14a12f88d724f092289a589f0
- MD5 SHA1 SHA512
Score
8/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1236 winnetdriv.exe - Deletes itself 1 IoCs
pid Process 1236 winnetdriv.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\winnetdriv.exe keygen-step-3.exe File opened for modification C:\Windows\winnetdriv.exe keygen-step-3.exe - Program crash 1 IoCs
pid pid_target Process procid_target 1564 1236 WerFault.exe 73 - Suspicious behavior: EnumeratesProcesses 15 IoCs
pid Process 1564 WerFault.exe 1564 WerFault.exe 1564 WerFault.exe 1564 WerFault.exe 1564 WerFault.exe 1564 WerFault.exe 1564 WerFault.exe 1564 WerFault.exe 1564 WerFault.exe 1564 WerFault.exe 1564 WerFault.exe 1564 WerFault.exe 1564 WerFault.exe 1564 WerFault.exe 1564 WerFault.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 1564 WerFault.exe Token: SeBackupPrivilege 1564 WerFault.exe Token: SeDebugPrivilege 1564 WerFault.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3944 wrote to memory of 1236 3944 keygen-step-3.exe 73 PID 3944 wrote to memory of 1236 3944 keygen-step-3.exe 73 PID 3944 wrote to memory of 1236 3944 keygen-step-3.exe 73
Processes
-
C:\Users\Admin\AppData\Local\Temp\keygen-step-3.exe"C:\Users\Admin\AppData\Local\Temp\keygen-step-3.exe"1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3944 -
C:\Windows\winnetdriv.exe"C:\Users\Admin\AppData\Local\Temp\keygen-step-3.exe" 1626478663 02⤵
- Executes dropped EXE
- Deletes itself
PID:1236 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1236 -s 8803⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1564
-
-