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Analysis
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max time kernel
118s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07/11/2024, 19:28
Behavioral task
behavioral1
Sample
f215eff820c71d9a197aa89262ef08f0cf487b0249c957a84475faf7f9a6ef5dN.exe
Resource
win7-20240708-en
8 signatures
120 seconds
General
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Target
f215eff820c71d9a197aa89262ef08f0cf487b0249c957a84475faf7f9a6ef5dN.exe
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Size
89KB
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MD5
054cc9abc8d6a0a52d7f40dc33dd28d0
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SHA1
1c166ae84e99f6c5a6a4ce650d43e278012260f1
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SHA256
f215eff820c71d9a197aa89262ef08f0cf487b0249c957a84475faf7f9a6ef5d
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SHA512
33dfff3ce9a24d49416caffd187bae7f651c19dbd82f0f38bda6f6278fb1ee7538fa49654de1cf06e1a27ba5b5788aae4eb39468942099f5868722ac044ffe58
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SSDEEP
1536:h1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:r+4MJIkLZJNAQ9Jo9e
Malware Config
Signatures
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Tinba family
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CE304C63 = "C:\\Users\\Admin\\AppData\\Roaming\\CE304C63\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/2608-0-0x0000000000400000-0x0000000000418000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 1088 4644 WerFault.exe 84 -
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 f215eff820c71d9a197aa89262ef08f0cf487b0249c957a84475faf7f9a6ef5dN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.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 4644 winver.exe 4644 winver.exe -
Suspicious use of AdjustPrivilegeToken 14 IoCs
description pid Process Token: SeShutdownPrivilege 3464 Explorer.EXE Token: SeCreatePagefilePrivilege 3464 Explorer.EXE Token: SeShutdownPrivilege 3464 Explorer.EXE Token: SeCreatePagefilePrivilege 3464 Explorer.EXE Token: SeShutdownPrivilege 3464 Explorer.EXE Token: SeCreatePagefilePrivilege 3464 Explorer.EXE Token: SeShutdownPrivilege 3464 Explorer.EXE Token: SeCreatePagefilePrivilege 3464 Explorer.EXE Token: SeShutdownPrivilege 3464 Explorer.EXE Token: SeCreatePagefilePrivilege 3464 Explorer.EXE Token: SeShutdownPrivilege 3464 Explorer.EXE Token: SeCreatePagefilePrivilege 3464 Explorer.EXE Token: SeShutdownPrivilege 3464 Explorer.EXE Token: SeCreatePagefilePrivilege 3464 Explorer.EXE -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 4644 winver.exe 3464 Explorer.EXE 3464 Explorer.EXE -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3464 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2608 wrote to memory of 4644 2608 f215eff820c71d9a197aa89262ef08f0cf487b0249c957a84475faf7f9a6ef5dN.exe 84 PID 2608 wrote to memory of 4644 2608 f215eff820c71d9a197aa89262ef08f0cf487b0249c957a84475faf7f9a6ef5dN.exe 84 PID 2608 wrote to memory of 4644 2608 f215eff820c71d9a197aa89262ef08f0cf487b0249c957a84475faf7f9a6ef5dN.exe 84 PID 2608 wrote to memory of 4644 2608 f215eff820c71d9a197aa89262ef08f0cf487b0249c957a84475faf7f9a6ef5dN.exe 84 PID 4644 wrote to memory of 3464 4644 winver.exe 56 PID 4644 wrote to memory of 2928 4644 winver.exe 50
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2928
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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:3464 -
C:\Users\Admin\AppData\Local\Temp\f215eff820c71d9a197aa89262ef08f0cf487b0249c957a84475faf7f9a6ef5dN.exe"C:\Users\Admin\AppData\Local\Temp\f215eff820c71d9a197aa89262ef08f0cf487b0249c957a84475faf7f9a6ef5dN.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2608 -
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:4644 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 3524⤵
- Program crash
PID:1088
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4644 -ip 46441⤵PID:1844