Analysis
- max time kernel
145s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
27/10/2024, 12:24
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
d38d385d3ef4526345869d711c2584d3ef9bdffeb683dbeb599cdcd316762ee9N.exe
Resource
win7-20240903-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
d38d385d3ef4526345869d711c2584d3ef9bdffeb683dbeb599cdcd316762ee9N.exe
Resource
win10v2004-20241007-en
9 signatures
150 seconds
General
- Target d38d385d3ef4526345869d711c2584d3ef9bdffeb683dbeb599cdcd316762ee9N.exe
- Size 225KB
- Sample241027-plagravnfj
- SHA256 d38d385d3ef4526345869d711c2584d3ef9bdffeb683dbeb599cdcd316762ee9
- MD5 91c60221da4e2e716ff45b582e62d360
- SHA1 274aa64d00fc8f308af2d952816cc76180a176c2
- SHA512 476cd9b59edaecd06e4b32f29ff90ba5415cc9bb053886cfde86011e76e99f133d907f7deb0bdcf497dae5aefa9835f329e3d4001c7c95e42e694de22949403f
- SSDEEP 6144:GA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:GATuTAnKGwUAW3ycQqgf
- MD5 SHA1 SHA512 SSDEEP
Score
3/10
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 1988 1796 WerFault.exe 107 2552 3480 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 d38d385d3ef4526345869d711c2584d3ef9bdffeb683dbeb599cdcd316762ee9N.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-1-5-21-1045960512-3948844814-3059691613-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE - Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE Token: SeShutdownPrivilege 3440 Explorer.EXE Token: SeCreatePagefilePrivilege 3440 Explorer.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1796 winver.exe 3480 d38d385d3ef4526345869d711c2584d3ef9bdffeb683dbeb599cdcd316762ee9N.exe - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3440 Explorer.EXE - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3480 wrote to memory of 1796 3480 d38d385d3ef4526345869d711c2584d3ef9bdffeb683dbeb599cdcd316762ee9N.exe 107 PID 3480 wrote to memory of 1796 3480 d38d385d3ef4526345869d711c2584d3ef9bdffeb683dbeb599cdcd316762ee9N.exe 107 PID 3480 wrote to memory of 1796 3480 d38d385d3ef4526345869d711c2584d3ef9bdffeb683dbeb599cdcd316762ee9N.exe 107 PID 3480 wrote to memory of 1796 3480 d38d385d3ef4526345869d711c2584d3ef9bdffeb683dbeb599cdcd316762ee9N.exe 107 PID 1796 wrote to memory of 3440 1796 winver.exe 56 PID 3480 wrote to memory of 3440 3480 d38d385d3ef4526345869d711c2584d3ef9bdffeb683dbeb599cdcd316762ee9N.exe 56
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3440 -
C:\Users\Admin\AppData\Local\Temp\d38d385d3ef4526345869d711c2584d3ef9bdffeb683dbeb599cdcd316762ee9N.exe"C:\Users\Admin\AppData\Local\Temp\d38d385d3ef4526345869d711c2584d3ef9bdffeb683dbeb599cdcd316762ee9N.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3480 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1796 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1796 -s 3004⤵
- Program crash
PID:1988
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3480 -s 8643⤵
- Program crash
PID:2552
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
PID:5068
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1796 -ip 17961⤵PID:2700
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3480 -ip 34801⤵PID:4612