Analysis
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max time kernel
116s -
max time network
124s -
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 21:04
Static task
static1
Behavioral task
behavioral1
Sample
972b702aa633aa47cf516d6de1895820N.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
972b702aa633aa47cf516d6de1895820N.exe
Resource
win10v2004-20240802-en
General
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Target
972b702aa633aa47cf516d6de1895820N.exe
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Size
225KB
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MD5
972b702aa633aa47cf516d6de1895820
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SHA1
eaaa18cca57136e6d42f376104e3ff90cb527c3c
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SHA256
b5d0e19e07d8a6899768946b112ba0a97478f93a89ed0a98e1be01f96a108b45
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SHA512
3b0a6fbb55557007275e286a9199cd7eb4e0d92df19afede682b860e293fc58519ffa209bff566eb7990bd59fd9d1fba39c232f81a9b249bf9719a1440c08e82
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SSDEEP
6144:OA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:OATuTAnKGwUAW3ycQqgf
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 2784 3528 WerFault.exe winver.exe 1576 884 WerFault.exe 972b702aa633aa47cf516d6de1895820N.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:
972b702aa633aa47cf516d6de1895820N.exewinver.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 972b702aa633aa47cf516d6de1895820N.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:
972b702aa633aa47cf516d6de1895820N.exepid process 884 972b702aa633aa47cf516d6de1895820N.exe 884 972b702aa633aa47cf516d6de1895820N.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.exe972b702aa633aa47cf516d6de1895820N.exepid process 3528 winver.exe 884 972b702aa633aa47cf516d6de1895820N.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3444 Explorer.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
972b702aa633aa47cf516d6de1895820N.exewinver.exedescription pid process target process PID 884 wrote to memory of 3528 884 972b702aa633aa47cf516d6de1895820N.exe winver.exe PID 884 wrote to memory of 3528 884 972b702aa633aa47cf516d6de1895820N.exe winver.exe PID 884 wrote to memory of 3528 884 972b702aa633aa47cf516d6de1895820N.exe winver.exe PID 884 wrote to memory of 3528 884 972b702aa633aa47cf516d6de1895820N.exe winver.exe PID 3528 wrote to memory of 3444 3528 winver.exe Explorer.EXE PID 884 wrote to memory of 3444 884 972b702aa633aa47cf516d6de1895820N.exe Explorer.EXE PID 884 wrote to memory of 2992 884 972b702aa633aa47cf516d6de1895820N.exe sihost.exe
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2992
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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\972b702aa633aa47cf516d6de1895820N.exe"C:\Users\Admin\AppData\Local\Temp\972b702aa633aa47cf516d6de1895820N.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:884 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3528 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 3004⤵
- Program crash
PID:2784 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 884 -s 9843⤵
- Program crash
PID:1576
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
PID:4908
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3528 -ip 35281⤵PID:3692
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 884 -ip 8841⤵PID:3116