Analysis
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max time kernel
120s -
max time network
104s -
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 08:56
Static task
static1
Behavioral task
behavioral1
Sample
198f82cbc615ba9fd7de911ffc370170N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
198f82cbc615ba9fd7de911ffc370170N.exe
Resource
win10v2004-20240802-en
General
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Target
198f82cbc615ba9fd7de911ffc370170N.exe
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Size
225KB
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MD5
198f82cbc615ba9fd7de911ffc370170
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SHA1
41f177044d0638971274aedf8a761a7dd1664a53
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SHA256
5d364943aba94cbbe721f2301ba349914f9415c77e583b60823cd8dae406cd50
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SHA512
9fb6540fd25bcc8d43bea44d6ca734befad66d791a030c45b51d29aa91fd40d2a19dbe073c772b3ae85c3063e80c7bbd3a2f1e33ed61ca5b72015505f710b883
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SSDEEP
6144:JA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:JATuTAnKGwUAW3ycQqgf
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 5020 1192 WerFault.exe winver.exe 3112 4004 WerFault.exe 198f82cbc615ba9fd7de911ffc370170N.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:
198f82cbc615ba9fd7de911ffc370170N.exewinver.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 198f82cbc615ba9fd7de911ffc370170N.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:
198f82cbc615ba9fd7de911ffc370170N.exepid process 4004 198f82cbc615ba9fd7de911ffc370170N.exe 4004 198f82cbc615ba9fd7de911ffc370170N.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
Explorer.EXEdescription pid process Token: SeShutdownPrivilege 3512 Explorer.EXE Token: SeCreatePagefilePrivilege 3512 Explorer.EXE Token: SeShutdownPrivilege 3512 Explorer.EXE Token: SeCreatePagefilePrivilege 3512 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
winver.exe198f82cbc615ba9fd7de911ffc370170N.exepid process 1192 winver.exe 4004 198f82cbc615ba9fd7de911ffc370170N.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3512 Explorer.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
198f82cbc615ba9fd7de911ffc370170N.exewinver.exedescription pid process target process PID 4004 wrote to memory of 1192 4004 198f82cbc615ba9fd7de911ffc370170N.exe winver.exe PID 4004 wrote to memory of 1192 4004 198f82cbc615ba9fd7de911ffc370170N.exe winver.exe PID 4004 wrote to memory of 1192 4004 198f82cbc615ba9fd7de911ffc370170N.exe winver.exe PID 4004 wrote to memory of 1192 4004 198f82cbc615ba9fd7de911ffc370170N.exe winver.exe PID 1192 wrote to memory of 3512 1192 winver.exe Explorer.EXE PID 4004 wrote to memory of 3512 4004 198f82cbc615ba9fd7de911ffc370170N.exe Explorer.EXE PID 4004 wrote to memory of 2912 4004 198f82cbc615ba9fd7de911ffc370170N.exe sihost.exe
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2912
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3512 -
C:\Users\Admin\AppData\Local\Temp\198f82cbc615ba9fd7de911ffc370170N.exe"C:\Users\Admin\AppData\Local\Temp\198f82cbc615ba9fd7de911ffc370170N.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4004 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1192 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1192 -s 3004⤵
- Program crash
PID:5020 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4004 -s 10203⤵
- Program crash
PID:3112
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
PID:4140
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1192 -ip 11921⤵PID:4508
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4004 -ip 40041⤵PID:3700