Analysis
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max time kernel
117s -
max time network
123s -
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 22:52
Static task
static1
Behavioral task
behavioral1
Sample
e33c3707463d2ebddd209ac621160ee0N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
e33c3707463d2ebddd209ac621160ee0N.exe
Resource
win10v2004-20240802-en
General
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Target
e33c3707463d2ebddd209ac621160ee0N.exe
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Size
237KB
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MD5
e33c3707463d2ebddd209ac621160ee0
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SHA1
84682d9412548f10094ca069e4ea8521d83b7964
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SHA256
761f7d0982840f0cfecc3100c9d367aebd4871792c4f3d38ca569f7486ba4448
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SHA512
64eae1affe142315167ce5b07630d7be56f253d368d624490eeee2a5c149d2fe6cade529b4f108a9e67e66b7cc130ecaa13fee80498032c26c2ecb1e4d165e2b
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SSDEEP
6144:zA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:zATuTAnKGwUAWVycQqgj
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 4852 3564 WerFault.exe winver.exe 544 1464 WerFault.exe e33c3707463d2ebddd209ac621160ee0N.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.exee33c3707463d2ebddd209ac621160ee0N.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e33c3707463d2ebddd209ac621160ee0N.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:
e33c3707463d2ebddd209ac621160ee0N.exepid process 1464 e33c3707463d2ebddd209ac621160ee0N.exe 1464 e33c3707463d2ebddd209ac621160ee0N.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
Explorer.EXEdescription pid process Token: SeShutdownPrivilege 3472 Explorer.EXE Token: SeCreatePagefilePrivilege 3472 Explorer.EXE Token: SeShutdownPrivilege 3472 Explorer.EXE Token: SeCreatePagefilePrivilege 3472 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
winver.exee33c3707463d2ebddd209ac621160ee0N.exepid process 3564 winver.exe 1464 e33c3707463d2ebddd209ac621160ee0N.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3472 Explorer.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
e33c3707463d2ebddd209ac621160ee0N.exewinver.exedescription pid process target process PID 1464 wrote to memory of 3564 1464 e33c3707463d2ebddd209ac621160ee0N.exe winver.exe PID 1464 wrote to memory of 3564 1464 e33c3707463d2ebddd209ac621160ee0N.exe winver.exe PID 1464 wrote to memory of 3564 1464 e33c3707463d2ebddd209ac621160ee0N.exe winver.exe PID 1464 wrote to memory of 3564 1464 e33c3707463d2ebddd209ac621160ee0N.exe winver.exe PID 3564 wrote to memory of 3472 3564 winver.exe Explorer.EXE PID 1464 wrote to memory of 3472 1464 e33c3707463d2ebddd209ac621160ee0N.exe Explorer.EXE PID 1464 wrote to memory of 2640 1464 e33c3707463d2ebddd209ac621160ee0N.exe sihost.exe
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2640
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3472 -
C:\Users\Admin\AppData\Local\Temp\e33c3707463d2ebddd209ac621160ee0N.exe"C:\Users\Admin\AppData\Local\Temp\e33c3707463d2ebddd209ac621160ee0N.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1464 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3564 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3564 -s 3004⤵
- Program crash
PID:4852 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 9203⤵
- Program crash
PID:544
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
PID:2948
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3564 -ip 35641⤵PID:5004
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1464 -ip 14641⤵PID:3980