Analysis
-
max time kernel
115s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04-12-2024 08:25
Static task
static1
Behavioral task
behavioral1
Sample
5f46c0ca5002bbf17f7086ad4b811683781946030409fa70b375cc48769e9978.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5f46c0ca5002bbf17f7086ad4b811683781946030409fa70b375cc48769e9978.exe
Resource
win10v2004-20241007-en
General
-
Target
5f46c0ca5002bbf17f7086ad4b811683781946030409fa70b375cc48769e9978.exe
-
Size
610KB
-
MD5
f4951d224edcff386f4199199b21f248
-
SHA1
540c9b052c6ee1c49cc46088509d1abf4a7b655c
-
SHA256
5f46c0ca5002bbf17f7086ad4b811683781946030409fa70b375cc48769e9978
-
SHA512
2419119540eb474f9bc50323c1180458baa608632e732ac4e89c210ec0eee13002abb2e308ad2474d945bafd7e350f4d6e516fbceeb3e9cba7bae8a6d816e9ed
-
SSDEEP
12288:jATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:BT+KjUdQqboyyWoK1NGqzuhx
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 2 IoCs
pid pid_target Process procid_target 2432 3568 WerFault.exe 106 1340 3156 WerFault.exe 84 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5f46c0ca5002bbf17f7086ad4b811683781946030409fa70b375cc48769e9978.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe -
Modifies data under HKEY_USERS 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client" svchost.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3156 5f46c0ca5002bbf17f7086ad4b811683781946030409fa70b375cc48769e9978.exe 3156 5f46c0ca5002bbf17f7086ad4b811683781946030409fa70b375cc48769e9978.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 3540 Explorer.EXE Token: SeCreatePagefilePrivilege 3540 Explorer.EXE Token: SeShutdownPrivilege 3540 Explorer.EXE Token: SeCreatePagefilePrivilege 3540 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3568 winver.exe 3156 5f46c0ca5002bbf17f7086ad4b811683781946030409fa70b375cc48769e9978.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3156 wrote to memory of 3568 3156 5f46c0ca5002bbf17f7086ad4b811683781946030409fa70b375cc48769e9978.exe 106 PID 3156 wrote to memory of 3568 3156 5f46c0ca5002bbf17f7086ad4b811683781946030409fa70b375cc48769e9978.exe 106 PID 3156 wrote to memory of 3568 3156 5f46c0ca5002bbf17f7086ad4b811683781946030409fa70b375cc48769e9978.exe 106 PID 3156 wrote to memory of 3568 3156 5f46c0ca5002bbf17f7086ad4b811683781946030409fa70b375cc48769e9978.exe 106 PID 3568 wrote to memory of 3540 3568 winver.exe 56 PID 3156 wrote to memory of 3540 3156 5f46c0ca5002bbf17f7086ad4b811683781946030409fa70b375cc48769e9978.exe 56 PID 3156 wrote to memory of 2568 3156 5f46c0ca5002bbf17f7086ad4b811683781946030409fa70b375cc48769e9978.exe 44
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:2568
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3540 -
C:\Users\Admin\AppData\Local\Temp\5f46c0ca5002bbf17f7086ad4b811683781946030409fa70b375cc48769e9978.exe"C:\Users\Admin\AppData\Local\Temp\5f46c0ca5002bbf17f7086ad4b811683781946030409fa70b375cc48769e9978.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3156 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3568 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3568 -s 3004⤵
- Program crash
PID:2432
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3156 -s 7843⤵
- Program crash
PID:1340
-
-
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
PID:4860
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 3568 -ip 35681⤵PID:3524
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3156 -ip 31561⤵PID:2392