Analysis
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max time kernel
118s -
max time network
111s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-10-2024 18:11
Behavioral task
behavioral1
Sample
7fbef39558e3963e795019639342a2717801919032d97880a11303ff4d47cf60N.exe
Resource
win7-20241010-en
7 signatures
120 seconds
General
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Target
7fbef39558e3963e795019639342a2717801919032d97880a11303ff4d47cf60N.exe
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Size
160KB
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MD5
7ff1ab6162b4c035b8a1f9327e1e43c0
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SHA1
e25c6d31d092a310aa8a9f67dcc2d03270735507
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SHA256
7fbef39558e3963e795019639342a2717801919032d97880a11303ff4d47cf60
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SHA512
ba5dcfeb503d300e2314aeb249c67556c7c8b2f8b9fadd7cb48b421aaece914a6b8861cc16885d9a6554cab98c883c4efc0e83cf30559f663d9fc4851b67a3f6
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SSDEEP
1536:tEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:GY+4MiIkLZJNAQ9J6v
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C43E4E96 = "C:\\Users\\Admin\\AppData\\Roaming\\C43E4E96\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/3952-0-0x0000000000400000-0x0000000000428000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 3540 920 WerFault.exe 86 -
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 7fbef39558e3963e795019639342a2717801919032d97880a11303ff4d47cf60N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 920 winver.exe 920 winver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3388 Explorer.EXE Token: SeCreatePagefilePrivilege 3388 Explorer.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 920 winver.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3388 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3952 wrote to memory of 920 3952 7fbef39558e3963e795019639342a2717801919032d97880a11303ff4d47cf60N.exe 86 PID 3952 wrote to memory of 920 3952 7fbef39558e3963e795019639342a2717801919032d97880a11303ff4d47cf60N.exe 86 PID 3952 wrote to memory of 920 3952 7fbef39558e3963e795019639342a2717801919032d97880a11303ff4d47cf60N.exe 86 PID 3952 wrote to memory of 920 3952 7fbef39558e3963e795019639342a2717801919032d97880a11303ff4d47cf60N.exe 86 PID 920 wrote to memory of 3388 920 winver.exe 55 PID 920 wrote to memory of 680 920 winver.exe 51
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:680
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3388 -
C:\Users\Admin\AppData\Local\Temp\7fbef39558e3963e795019639342a2717801919032d97880a11303ff4d47cf60N.exe"C:\Users\Admin\AppData\Local\Temp\7fbef39558e3963e795019639342a2717801919032d97880a11303ff4d47cf60N.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3952 -
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:920 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 920 -s 3564⤵
- Program crash
PID:3540
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 920 -ip 9201⤵PID:4100