Analysis
-
max time kernel
120s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
14/08/2024, 12:27
Static task
static1
Behavioral task
behavioral1
Sample
51336f1b1b16644aaf73a888d498ea10N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
51336f1b1b16644aaf73a888d498ea10N.exe
Resource
win10v2004-20240802-en
General
-
Target
51336f1b1b16644aaf73a888d498ea10N.exe
-
Size
225KB
-
MD5
51336f1b1b16644aaf73a888d498ea10
-
SHA1
dc38030d2e8cba36fc2394a9f4562f1f8589bd57
-
SHA256
0a4022044e906030f145e7396ea2275ee9848410aa145d727db120ebc4c9b062
-
SHA512
2863506c4929cad12eb50af90a0612de2f95952735518181f097fbb8cf49a6334ac2e8eab7f672c8c69229753fc07b254fddccc448bd598125bf2635693e6f28
-
SSDEEP
6144:OA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:OATuTAnKGwUAW3ycQqgf
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 1704 704 WerFault.exe 98 4980 3796 WerFault.exe 83 -
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 51336f1b1b16644aaf73a888d498ea10N.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 -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 3604 Explorer.EXE Token: SeCreatePagefilePrivilege 3604 Explorer.EXE Token: SeShutdownPrivilege 3604 Explorer.EXE Token: SeCreatePagefilePrivilege 3604 Explorer.EXE Token: SeShutdownPrivilege 3604 Explorer.EXE Token: SeCreatePagefilePrivilege 3604 Explorer.EXE Token: SeShutdownPrivilege 3604 Explorer.EXE Token: SeCreatePagefilePrivilege 3604 Explorer.EXE Token: SeShutdownPrivilege 3604 Explorer.EXE Token: SeCreatePagefilePrivilege 3604 Explorer.EXE Token: SeShutdownPrivilege 3604 Explorer.EXE Token: SeCreatePagefilePrivilege 3604 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 704 winver.exe 3796 51336f1b1b16644aaf73a888d498ea10N.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3604 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3796 wrote to memory of 704 3796 51336f1b1b16644aaf73a888d498ea10N.exe 98 PID 3796 wrote to memory of 704 3796 51336f1b1b16644aaf73a888d498ea10N.exe 98 PID 3796 wrote to memory of 704 3796 51336f1b1b16644aaf73a888d498ea10N.exe 98 PID 3796 wrote to memory of 704 3796 51336f1b1b16644aaf73a888d498ea10N.exe 98 PID 704 wrote to memory of 3604 704 winver.exe 56 PID 3796 wrote to memory of 3604 3796 51336f1b1b16644aaf73a888d498ea10N.exe 56
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3604 -
C:\Users\Admin\AppData\Local\Temp\51336f1b1b16644aaf73a888d498ea10N.exe"C:\Users\Admin\AppData\Local\Temp\51336f1b1b16644aaf73a888d498ea10N.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3796 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:704 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 704 -s 3004⤵
- Program crash
PID:1704
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 7563⤵
- Program crash
PID:4980
-
-
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
PID:3620
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 704 -ip 7041⤵PID:1856
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3796 -ip 37961⤵PID:5064