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Analysis
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max time kernel
109s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2024, 13:15
Behavioral task
behavioral1
Sample
2be58312c77d6a8598532a94742141f8eb09227f71dd89fdb3c0f6622cca2a44N.exe
Resource
win7-20240708-en
General
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Target
2be58312c77d6a8598532a94742141f8eb09227f71dd89fdb3c0f6622cca2a44N.exe
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Size
110KB
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MD5
5be661cf4b407b1ec259708e8173fab0
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SHA1
d4be6a1c41b626ddf2f24feeee0ae9763f217c1a
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SHA256
2be58312c77d6a8598532a94742141f8eb09227f71dd89fdb3c0f6622cca2a44
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SHA512
99fe56e671f05ed6f3e7816b9e8ef1b1dc06369c2c8969c8bd0a3a5e9fb97af3e98d0e9dc732808403eb04d1f1171bfb4b83ed3b8f112f3a7fe42c7ace736d6d
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SSDEEP
1536:8iLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:8iyvRmDLs/ZrwWJjAqGcRJ2hg
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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FEF032FB = "C:\\Users\\Admin\\AppData\\Roaming\\FEF032FB\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/2432-0-0x0000000000400000-0x000000000041E000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 4692 2460 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 2be58312c77d6a8598532a94742141f8eb09227f71dd89fdb3c0f6622cca2a44N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2460 winver.exe 2460 winver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3460 Explorer.EXE Token: SeCreatePagefilePrivilege 3460 Explorer.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2460 winver.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2432 wrote to memory of 2460 2432 2be58312c77d6a8598532a94742141f8eb09227f71dd89fdb3c0f6622cca2a44N.exe 84 PID 2432 wrote to memory of 2460 2432 2be58312c77d6a8598532a94742141f8eb09227f71dd89fdb3c0f6622cca2a44N.exe 84 PID 2432 wrote to memory of 2460 2432 2be58312c77d6a8598532a94742141f8eb09227f71dd89fdb3c0f6622cca2a44N.exe 84 PID 2432 wrote to memory of 2460 2432 2be58312c77d6a8598532a94742141f8eb09227f71dd89fdb3c0f6622cca2a44N.exe 84 PID 2460 wrote to memory of 3460 2460 winver.exe 56 PID 2460 wrote to memory of 2884 2460 winver.exe 49
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2884
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3460 -
C:\Users\Admin\AppData\Local\Temp\2be58312c77d6a8598532a94742141f8eb09227f71dd89fdb3c0f6622cca2a44N.exe"C:\Users\Admin\AppData\Local\Temp\2be58312c77d6a8598532a94742141f8eb09227f71dd89fdb3c0f6622cca2a44N.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432 -
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:2460 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2460 -s 3524⤵
- Program crash
PID:4692
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2460 -ip 24601⤵PID:4328