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Analysis
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max time kernel
104s -
max time network
100s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22/11/2024, 22:04
Behavioral task
behavioral1
Sample
a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe
Resource
win7-20240729-en
General
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Target
a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe
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Size
45KB
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MD5
8fcedbb47a3fde51a940b88ce63c58b0
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SHA1
63b0aeb2dbc86a2d9ac2e7f30edbd3a2c3fc5678
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SHA256
a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11
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SHA512
a1a95e9da1bd016afcb6b981dd9dde28ba80238eafc4d6c19c07e1505e920321756e57c9b845de91070009c715b46ab793ded0993ce71df6fb1af74b6105a914
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SSDEEP
768:lhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:3sWE9N5dFu53dsniQaB/xZ14n7zIF+qr
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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E2EBDD03 = "C:\\Users\\Admin\\AppData\\Roaming\\E2EBDD03\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/4036-0-0x0000000000400000-0x000000000041D000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 1732 860 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 a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 860 winver.exe 860 winver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3520 Explorer.EXE Token: SeCreatePagefilePrivilege 3520 Explorer.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 860 winver.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4036 wrote to memory of 860 4036 a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe 84 PID 4036 wrote to memory of 860 4036 a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe 84 PID 4036 wrote to memory of 860 4036 a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe 84 PID 4036 wrote to memory of 860 4036 a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe 84 PID 860 wrote to memory of 3520 860 winver.exe 56 PID 860 wrote to memory of 2496 860 winver.exe 44
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2496
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520 -
C:\Users\Admin\AppData\Local\Temp\a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe"C:\Users\Admin\AppData\Local\Temp\a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4036 -
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:860 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 860 -s 3524⤵
- Program crash
PID:1732
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 860 -ip 8601⤵PID:3360