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Analysis
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max time kernel
118s -
max time network
92s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19/11/2024, 17:30
Static task
static1
Behavioral task
behavioral1
Sample
2577623fc861d8fa2525300245bea8ed33673d2c8f85d064a4475ec066897427N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2577623fc861d8fa2525300245bea8ed33673d2c8f85d064a4475ec066897427N.exe
Resource
win10v2004-20241007-en
General
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Target
2577623fc861d8fa2525300245bea8ed33673d2c8f85d064a4475ec066897427N.exe
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Size
610KB
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MD5
7856aade8a2af78328cd1eed3a6c8cd0
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SHA1
5b8385255352e3eae7db16ab9fe09700a135c4b3
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SHA256
2577623fc861d8fa2525300245bea8ed33673d2c8f85d064a4475ec066897427
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SHA512
b0092b9f2a22f1250875f5ba4a688b8c5185417fc46a5fb831abfb7713ac5e2a53962362a1d328b2b76f378179043b5d80e05fa0cc49be2ab29db72100b74588
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SSDEEP
12288:wATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:+T+KjUdQqboyyWoK1NGqzuhb
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 4736 2036 WerFault.exe 107 3864 2432 WerFault.exe 82 -
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 2577623fc861d8fa2525300245bea8ed33673d2c8f85d064a4475ec066897427N.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 2036 winver.exe 2432 2577623fc861d8fa2525300245bea8ed33673d2c8f85d064a4475ec066897427N.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3452 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2432 wrote to memory of 2036 2432 2577623fc861d8fa2525300245bea8ed33673d2c8f85d064a4475ec066897427N.exe 107 PID 2432 wrote to memory of 2036 2432 2577623fc861d8fa2525300245bea8ed33673d2c8f85d064a4475ec066897427N.exe 107 PID 2432 wrote to memory of 2036 2432 2577623fc861d8fa2525300245bea8ed33673d2c8f85d064a4475ec066897427N.exe 107 PID 2432 wrote to memory of 2036 2432 2577623fc861d8fa2525300245bea8ed33673d2c8f85d064a4475ec066897427N.exe 107 PID 2036 wrote to memory of 3452 2036 winver.exe 56 PID 2432 wrote to memory of 3452 2432 2577623fc861d8fa2525300245bea8ed33673d2c8f85d064a4475ec066897427N.exe 56
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3452 -
C:\Users\Admin\AppData\Local\Temp\2577623fc861d8fa2525300245bea8ed33673d2c8f85d064a4475ec066897427N.exe"C:\Users\Admin\AppData\Local\Temp\2577623fc861d8fa2525300245bea8ed33673d2c8f85d064a4475ec066897427N.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2432 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 3004⤵
- Program crash
PID:4736
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 2363⤵
- Program crash
PID:3864
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
PID:2244
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2036 -ip 20361⤵PID:1900
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2432 -ip 24321⤵PID:3436