Analysis
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max time kernel
147s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
17-08-2024 04:35
Static task
static1
Behavioral task
behavioral1
Sample
bf46b4a6872225710d5fd4cfcc0fd3061a4bc9c45396cb03994aa08417453163.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
bf46b4a6872225710d5fd4cfcc0fd3061a4bc9c45396cb03994aa08417453163.exe
Resource
win10v2004-20240802-en
General
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Target
bf46b4a6872225710d5fd4cfcc0fd3061a4bc9c45396cb03994aa08417453163.exe
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Size
225KB
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MD5
398a28048932bfc45ea4d4e3dbfd28e4
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SHA1
a29b685a3a648130bf342288fa36d3fee7beaaf2
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SHA256
bf46b4a6872225710d5fd4cfcc0fd3061a4bc9c45396cb03994aa08417453163
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SHA512
af5ab2051f03f6d9530601399f6a08b79d4443875c1f72536a9f44297b26c0310742973fb47dfb6600abcf14cfff8e6ea0aec7e0de25de3e380d6e901e236cc1
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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 4504 2104 WerFault.exe winver.exe 5012 4588 WerFault.exe bf46b4a6872225710d5fd4cfcc0fd3061a4bc9c45396cb03994aa08417453163.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:
bf46b4a6872225710d5fd4cfcc0fd3061a4bc9c45396cb03994aa08417453163.exewinver.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bf46b4a6872225710d5fd4cfcc0fd3061a4bc9c45396cb03994aa08417453163.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:
bf46b4a6872225710d5fd4cfcc0fd3061a4bc9c45396cb03994aa08417453163.exepid process 4588 bf46b4a6872225710d5fd4cfcc0fd3061a4bc9c45396cb03994aa08417453163.exe 4588 bf46b4a6872225710d5fd4cfcc0fd3061a4bc9c45396cb03994aa08417453163.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
Explorer.EXEdescription pid process Token: SeShutdownPrivilege 3464 Explorer.EXE Token: SeCreatePagefilePrivilege 3464 Explorer.EXE Token: SeShutdownPrivilege 3464 Explorer.EXE Token: SeCreatePagefilePrivilege 3464 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
winver.exebf46b4a6872225710d5fd4cfcc0fd3061a4bc9c45396cb03994aa08417453163.exepid process 2104 winver.exe 4588 bf46b4a6872225710d5fd4cfcc0fd3061a4bc9c45396cb03994aa08417453163.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3464 Explorer.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
bf46b4a6872225710d5fd4cfcc0fd3061a4bc9c45396cb03994aa08417453163.exewinver.exedescription pid process target process PID 4588 wrote to memory of 2104 4588 bf46b4a6872225710d5fd4cfcc0fd3061a4bc9c45396cb03994aa08417453163.exe winver.exe PID 4588 wrote to memory of 2104 4588 bf46b4a6872225710d5fd4cfcc0fd3061a4bc9c45396cb03994aa08417453163.exe winver.exe PID 4588 wrote to memory of 2104 4588 bf46b4a6872225710d5fd4cfcc0fd3061a4bc9c45396cb03994aa08417453163.exe winver.exe PID 4588 wrote to memory of 2104 4588 bf46b4a6872225710d5fd4cfcc0fd3061a4bc9c45396cb03994aa08417453163.exe winver.exe PID 2104 wrote to memory of 3464 2104 winver.exe Explorer.EXE PID 4588 wrote to memory of 3464 4588 bf46b4a6872225710d5fd4cfcc0fd3061a4bc9c45396cb03994aa08417453163.exe Explorer.EXE PID 4588 wrote to memory of 2644 4588 bf46b4a6872225710d5fd4cfcc0fd3061a4bc9c45396cb03994aa08417453163.exe sihost.exe
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2644
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3464 -
C:\Users\Admin\AppData\Local\Temp\bf46b4a6872225710d5fd4cfcc0fd3061a4bc9c45396cb03994aa08417453163.exe"C:\Users\Admin\AppData\Local\Temp\bf46b4a6872225710d5fd4cfcc0fd3061a4bc9c45396cb03994aa08417453163.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4588 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2104 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 3004⤵
- Program crash
PID:4504 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4588 -s 8883⤵
- Program crash
PID:5012
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
PID:4036
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2104 -ip 21041⤵PID:4520
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4588 -ip 45881⤵PID:2480