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Analysis
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max time kernel
139s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03/09/2024, 15:06
Behavioral task
behavioral1
Sample
2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49.exe
Resource
win7-20240903-en
General
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Target
2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49.exe
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Size
34KB
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MD5
5e568e602022cfdf3115b799366f737d
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SHA1
ef429fe7b0e7e7b592737b49bbd5c2660c38ef7e
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SHA256
2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49
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SHA512
ea732f652bd1cc7ba8e38e4f851a3f4a70ac5a539036eee2edeb05c494fe86b247e84a0ca66cf88abdf9027ec4a9384edc1cfe12e5987e0c4bea740365397ed4
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SSDEEP
768:up22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:upYoX58z1uirL98xMWnT0OQ9J2
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4412-0-0x0000000000400000-0x0000000000417000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\09F2B392 = "C:\\Users\\Admin\\AppData\\Roaming\\09F2B392\\bin.exe" winver.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 552 4572 WerFault.exe 85 -
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 winver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Explorer.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4572 winver.exe 4572 winver.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeShutdownPrivilege 3360 Explorer.EXE Token: SeCreatePagefilePrivilege 3360 Explorer.EXE Token: SeShutdownPrivilege 3360 Explorer.EXE Token: SeCreatePagefilePrivilege 3360 Explorer.EXE Token: SeShutdownPrivilege 3360 Explorer.EXE Token: SeCreatePagefilePrivilege 3360 Explorer.EXE -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 4572 winver.exe 3360 Explorer.EXE 3360 Explorer.EXE -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3360 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4412 wrote to memory of 4572 4412 2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49.exe 85 PID 4412 wrote to memory of 4572 4412 2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49.exe 85 PID 4412 wrote to memory of 4572 4412 2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49.exe 85 PID 4412 wrote to memory of 4572 4412 2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49.exe 85 PID 4572 wrote to memory of 3360 4572 winver.exe 56 PID 4572 wrote to memory of 2568 4572 winver.exe 44
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2568
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3360 -
C:\Users\Admin\AppData\Local\Temp\2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49.exe"C:\Users\Admin\AppData\Local\Temp\2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4412 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4572 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4572 -s 3524⤵
- Program crash
PID:552
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4572 -ip 45721⤵PID:4592