Analysis
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max time kernel
118s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
18-08-2024 23:51
Static task
static1
Behavioral task
behavioral1
Sample
25bb4f38dbbc7272be4d9a550ce00e60N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
25bb4f38dbbc7272be4d9a550ce00e60N.exe
Resource
win10v2004-20240802-en
General
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Target
25bb4f38dbbc7272be4d9a550ce00e60N.exe
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Size
237KB
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MD5
25bb4f38dbbc7272be4d9a550ce00e60
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SHA1
34bde51324fb065ebbd834b80cc520a6fa6f6c66
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SHA256
ae3442533a3b68912db55a5a24f43795ea2e3ef92aed3a2995d25dc164f78027
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SHA512
127e3f4f8c8ccc1ba2d82ab2366e12bbae24a7e8f634b7e691da29eb393e875be2588a3185b5fa06568373b6a0d65216dfd0fe93a969a79ae02687ca1275f82c
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SSDEEP
6144:yA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:yATuTAnKGwUAWVycQqgj
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 4420 3992 WerFault.exe winver.exe 696 496 WerFault.exe 25bb4f38dbbc7272be4d9a550ce00e60N.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:
25bb4f38dbbc7272be4d9a550ce00e60N.exewinver.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 25bb4f38dbbc7272be4d9a550ce00e60N.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:
25bb4f38dbbc7272be4d9a550ce00e60N.exepid process 496 25bb4f38dbbc7272be4d9a550ce00e60N.exe 496 25bb4f38dbbc7272be4d9a550ce00e60N.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
Explorer.EXEdescription pid process Token: SeShutdownPrivilege 3536 Explorer.EXE Token: SeCreatePagefilePrivilege 3536 Explorer.EXE Token: SeShutdownPrivilege 3536 Explorer.EXE Token: SeCreatePagefilePrivilege 3536 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
winver.exe25bb4f38dbbc7272be4d9a550ce00e60N.exepid process 3992 winver.exe 496 25bb4f38dbbc7272be4d9a550ce00e60N.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3536 Explorer.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
25bb4f38dbbc7272be4d9a550ce00e60N.exewinver.exedescription pid process target process PID 496 wrote to memory of 3992 496 25bb4f38dbbc7272be4d9a550ce00e60N.exe winver.exe PID 496 wrote to memory of 3992 496 25bb4f38dbbc7272be4d9a550ce00e60N.exe winver.exe PID 496 wrote to memory of 3992 496 25bb4f38dbbc7272be4d9a550ce00e60N.exe winver.exe PID 496 wrote to memory of 3992 496 25bb4f38dbbc7272be4d9a550ce00e60N.exe winver.exe PID 3992 wrote to memory of 3536 3992 winver.exe Explorer.EXE PID 496 wrote to memory of 3536 496 25bb4f38dbbc7272be4d9a550ce00e60N.exe Explorer.EXE PID 496 wrote to memory of 2668 496 25bb4f38dbbc7272be4d9a550ce00e60N.exe sihost.exe
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2668
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3536 -
C:\Users\Admin\AppData\Local\Temp\25bb4f38dbbc7272be4d9a550ce00e60N.exe"C:\Users\Admin\AppData\Local\Temp\25bb4f38dbbc7272be4d9a550ce00e60N.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:496 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3992 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3992 -s 3004⤵
- Program crash
PID:4420 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 496 -s 9803⤵
- Program crash
PID:696
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
PID:4608
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3992 -ip 39921⤵PID:3360
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 496 -ip 4961⤵PID:1760