Analysis
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max time kernel
119s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19-08-2024 00:12
Static task
static1
Behavioral task
behavioral1
Sample
9fc045eac65bac87b9f651b385e7d9d0N.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
9fc045eac65bac87b9f651b385e7d9d0N.exe
Resource
win10v2004-20240802-en
General
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Target
9fc045eac65bac87b9f651b385e7d9d0N.exe
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Size
237KB
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MD5
9fc045eac65bac87b9f651b385e7d9d0
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SHA1
fd1cc54420b30b13f37f0f614d06c673de114079
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SHA256
07e14717e7d5fdf52f1dd21715233f440f96dbe4a9c0b5eb6f02cff68c1c3942
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SHA512
9b98afc7a915458f88a0e97b36d5d6a6c413b48f405c261bb131a8e72bd52727582637799d3bed049b205ccf7655057b50d4d191656362ebfa5afbb43df83663
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SSDEEP
6144:1A2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:1ATuTAnKGwUAWVycQqgj
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 4140 4928 WerFault.exe winver.exe 3960 4068 WerFault.exe 9fc045eac65bac87b9f651b385e7d9d0N.exe -
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.
Processes:
winver.exe9fc045eac65bac87b9f651b385e7d9d0N.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9fc045eac65bac87b9f651b385e7d9d0N.exe -
Modifies data under HKEY_USERS 1 IoCs
Processes:
svchost.exedescription 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
Processes:
Explorer.EXEdescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
Explorer.EXEdescription pid process Token: SeShutdownPrivilege 3600 Explorer.EXE Token: SeCreatePagefilePrivilege 3600 Explorer.EXE Token: SeShutdownPrivilege 3600 Explorer.EXE Token: SeCreatePagefilePrivilege 3600 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
winver.exe9fc045eac65bac87b9f651b385e7d9d0N.exepid process 4928 winver.exe 4068 9fc045eac65bac87b9f651b385e7d9d0N.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3600 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
9fc045eac65bac87b9f651b385e7d9d0N.exewinver.exedescription pid process target process PID 4068 wrote to memory of 4928 4068 9fc045eac65bac87b9f651b385e7d9d0N.exe winver.exe PID 4068 wrote to memory of 4928 4068 9fc045eac65bac87b9f651b385e7d9d0N.exe winver.exe PID 4068 wrote to memory of 4928 4068 9fc045eac65bac87b9f651b385e7d9d0N.exe winver.exe PID 4068 wrote to memory of 4928 4068 9fc045eac65bac87b9f651b385e7d9d0N.exe winver.exe PID 4928 wrote to memory of 3600 4928 winver.exe Explorer.EXE PID 4068 wrote to memory of 3600 4068 9fc045eac65bac87b9f651b385e7d9d0N.exe Explorer.EXE
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3600 -
C:\Users\Admin\AppData\Local\Temp\9fc045eac65bac87b9f651b385e7d9d0N.exe"C:\Users\Admin\AppData\Local\Temp\9fc045eac65bac87b9f651b385e7d9d0N.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4068 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4928 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 3004⤵
- Program crash
PID:4140 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 8643⤵
- Program crash
PID:3960
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
PID:2868
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4928 -ip 49281⤵PID:3252
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4068 -ip 40681⤵PID:4528