Analysis
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max time kernel
119s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
22-08-2024 20:08
Static task
static1
Behavioral task
behavioral1
Sample
866c10a9934a3ad6af67871c9d956ea0N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
866c10a9934a3ad6af67871c9d956ea0N.exe
Resource
win10v2004-20240802-en
General
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Target
866c10a9934a3ad6af67871c9d956ea0N.exe
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Size
237KB
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MD5
866c10a9934a3ad6af67871c9d956ea0
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SHA1
51d8e08b0398c46676320306911812b391eee2f7
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SHA256
ff4ab0de245643766971b1afaa2421f602e5da1ea4f4efb9849735d6939e0ae0
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SHA512
c7745ad782b959bff00940295e93c09481fb67698b66e2251b1430c119b83c5802a8a70d17ead269faaaa017eefe8514e53933966506a36d8fe55bfa693591d7
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SSDEEP
6144:vA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:vATuTAnKGwUAWVycQqgj
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 5092 1508 WerFault.exe winver.exe 3856 4712 WerFault.exe 866c10a9934a3ad6af67871c9d956ea0N.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:
866c10a9934a3ad6af67871c9d956ea0N.exewinver.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 866c10a9934a3ad6af67871c9d956ea0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.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 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
866c10a9934a3ad6af67871c9d956ea0N.exepid process 4712 866c10a9934a3ad6af67871c9d956ea0N.exe 4712 866c10a9934a3ad6af67871c9d956ea0N.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
Explorer.EXEdescription pid process Token: SeShutdownPrivilege 3444 Explorer.EXE Token: SeCreatePagefilePrivilege 3444 Explorer.EXE Token: SeShutdownPrivilege 3444 Explorer.EXE Token: SeCreatePagefilePrivilege 3444 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
winver.exe866c10a9934a3ad6af67871c9d956ea0N.exepid process 1508 winver.exe 4712 866c10a9934a3ad6af67871c9d956ea0N.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3444 Explorer.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
866c10a9934a3ad6af67871c9d956ea0N.exewinver.exedescription pid process target process PID 4712 wrote to memory of 1508 4712 866c10a9934a3ad6af67871c9d956ea0N.exe winver.exe PID 4712 wrote to memory of 1508 4712 866c10a9934a3ad6af67871c9d956ea0N.exe winver.exe PID 4712 wrote to memory of 1508 4712 866c10a9934a3ad6af67871c9d956ea0N.exe winver.exe PID 4712 wrote to memory of 1508 4712 866c10a9934a3ad6af67871c9d956ea0N.exe winver.exe PID 1508 wrote to memory of 3444 1508 winver.exe Explorer.EXE PID 4712 wrote to memory of 3444 4712 866c10a9934a3ad6af67871c9d956ea0N.exe Explorer.EXE PID 4712 wrote to memory of 2884 4712 866c10a9934a3ad6af67871c9d956ea0N.exe sihost.exe
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2884
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3444 -
C:\Users\Admin\AppData\Local\Temp\866c10a9934a3ad6af67871c9d956ea0N.exe"C:\Users\Admin\AppData\Local\Temp\866c10a9934a3ad6af67871c9d956ea0N.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4712 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1508 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1508 -s 3004⤵
- Program crash
PID:5092 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4712 -s 8883⤵
- Program crash
PID:3856
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
PID:3068
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1508 -ip 15081⤵PID:3556
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4712 -ip 47121⤵PID:3492