Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2024 01:42
Static task
static1
Behavioral task
behavioral1
Sample
ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4.exe
Resource
win10v2004-20241007-en
General
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Target
ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4.exe
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Size
225KB
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MD5
cfbdd21bff8c5d7302fa1ed5cde686fa
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SHA1
945feca33cee82c8a1b08d3fd39ed93427294398
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SHA256
ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4
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SHA512
002fd25d00ed3793676ee98237e6e3e54cfcdf9ef8d51805e7d8afd8fed3e23aa0fc63ea4943b33c2ccf020e9744afb93f6382a9093d7232b960e105ac224d22
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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
pid pid_target Process procid_target 856 628 WerFault.exe 93 3480 4376 WerFault.exe 81 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe -
Modifies data under HKEY_USERS 1 IoCs
description 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 use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 3320 Explorer.EXE Token: SeCreatePagefilePrivilege 3320 Explorer.EXE Token: SeShutdownPrivilege 3320 Explorer.EXE Token: SeCreatePagefilePrivilege 3320 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 628 winver.exe 4376 ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4376 wrote to memory of 628 4376 ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4.exe 93 PID 4376 wrote to memory of 628 4376 ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4.exe 93 PID 4376 wrote to memory of 628 4376 ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4.exe 93 PID 4376 wrote to memory of 628 4376 ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4.exe 93 PID 628 wrote to memory of 3320 628 winver.exe 55 PID 4376 wrote to memory of 3320 4376 ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4.exe 55
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3320 -
C:\Users\Admin\AppData\Local\Temp\ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4.exe"C:\Users\Admin\AppData\Local\Temp\ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4376 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:628 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 628 -s 3004⤵
- Program crash
PID:856
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 7683⤵
- Program crash
PID:3480
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
PID:2340
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 628 -ip 6281⤵PID:4412
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4376 -ip 43761⤵PID:2060