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
18-12-2024 03:25
Static task
static1
Behavioral task
behavioral1
Sample
a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe
Resource
win10v2004-20241007-en
General
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Target
a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe
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Size
225KB
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MD5
f040efb7f5b1f97eb82403842cf4e6a9
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SHA1
01767deabf687859b6cc76b9d99b6e1f825e6ffe
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SHA256
a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311
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SHA512
48fbffec2c42cea466795d26801ec1a301aeb8d4784d57551eea0e5a68f37dbbeadfd903a53d3926740da8aad206fee3d79502de45dd86f53726fba5318edffc
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SSDEEP
6144:2A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:2ATuTAnKGwUAW3ycQqgf
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 852 3672 WerFault.exe 104 4868 5088 WerFault.exe 83 -
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 a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.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 3452 Explorer.EXE Token: SeCreatePagefilePrivilege 3452 Explorer.EXE Token: SeShutdownPrivilege 3452 Explorer.EXE Token: SeCreatePagefilePrivilege 3452 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3672 winver.exe 5088 a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5088 wrote to memory of 3672 5088 a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe 104 PID 5088 wrote to memory of 3672 5088 a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe 104 PID 5088 wrote to memory of 3672 5088 a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe 104 PID 5088 wrote to memory of 3672 5088 a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe 104 PID 3672 wrote to memory of 3452 3672 winver.exe 56 PID 5088 wrote to memory of 3452 5088 a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe 56
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3452 -
C:\Users\Admin\AppData\Local\Temp\a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe"C:\Users\Admin\AppData\Local\Temp\a85e17370de062da74ca83fb1464a82779c08be02d1f0c14167d4d69bc026311.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5088 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3672 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3672 -s 3004⤵
- Program crash
PID:852
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5088 -s 7683⤵
- Program crash
PID:4868
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
PID:1944
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3672 -ip 36721⤵PID:2244
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 5088 -ip 50881⤵PID:4976