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Analysis
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max time kernel
118s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09/11/2024, 03:20
Behavioral task
behavioral1
Sample
a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe
Resource
win7-20240903-en
9 signatures
120 seconds
General
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Target
a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe
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Size
89KB
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MD5
ad3bfabe042476fd00c9430dfd293d60
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SHA1
a3bd0dbb898bcd82c16190b3581b82b955c75fe6
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SHA256
a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004ad
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SHA512
6ae81156c1e40a7ca2d49581a0969bd97d29bd08db219bde9690a7092396d97bfe9db5c6e3773fa036af5d30ce811a14eb525208a19c67374f145c7584ddcd89
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SSDEEP
1536:N1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:P+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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A14CEEB0 = "C:\\Users\\Admin\\AppData\\Roaming\\A14CEEB0\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/2084-0-0x0000000000400000-0x0000000000418000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 3440 368 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 a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 368 winver.exe 368 winver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3512 Explorer.EXE Token: SeCreatePagefilePrivilege 3512 Explorer.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 368 winver.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3512 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2084 wrote to memory of 368 2084 a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe 85 PID 2084 wrote to memory of 368 2084 a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe 85 PID 2084 wrote to memory of 368 2084 a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe 85 PID 2084 wrote to memory of 368 2084 a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe 85 PID 368 wrote to memory of 3512 368 winver.exe 56 PID 368 wrote to memory of 2648 368 winver.exe 44
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2648
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3512 -
C:\Users\Admin\AppData\Local\Temp\a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe"C:\Users\Admin\AppData\Local\Temp\a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2084 -
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:368 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 368 -s 3564⤵
- Program crash
PID:3440
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 368 -ip 3681⤵PID:2348