Analysis
- max time kernel
149s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
16/08/2026, 22:55
Behavioral task
behavioral1
Sample
b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe
- Size 761KB
- Sample260816-2v3k4syeph
- SHA256 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe
- MD5 e035c1a987d94bb3c84116b6d8642ad3
- SHA1 ab4ac01675dd6a4b119f54ac7bad2b0b443eaa82
- SHA512 0fe678780f8433b246fd963bde18c93d6aa54538a5286788da14c0230d68ea465625a2f548c7484e1b6c9cb8db723a21bd1cefe06fd1b89fd160984d1efc0ac8
- SSDEEP 12288:5SvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:AvO2xJKRw2kOkxSkW298B
- TLSH T142F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5072 6c5cfb31 - Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 17 114.114.114.114 4856 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe Destination IP 18 223.5.5.5 4856 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe Destination IP 3 114.114.114.114 4856 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe Destination IP 4 223.5.5.5 4856 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 6c5cfb31 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 6c5cfb31 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6c5cfb31 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 6c5cfb31 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 6c5cfb31 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 6c5cfb31 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6c5cfb31 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6c5cfb31 File created C:\Windows\SysWOW64\6c5cfb31 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 6c5cfb31 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 6c5cfb31 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 6c5cfb31 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 6c5cfb31 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 6c5cfb31 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6c5cfb31 -
resource yara_rule behavioral2/memory/4856-0-0x0000000000C30000-0x0000000000CBC000-memory.dmp upx behavioral2/files/0x0008000000019ce0-2.dat upx behavioral2/memory/5072-3-0x0000000000A70000-0x0000000000AFC000-memory.dmp upx behavioral2/memory/4856-18-0x0000000000C30000-0x0000000000CBC000-memory.dmp upx behavioral2/memory/5072-19-0x0000000000A70000-0x0000000000AFC000-memory.dmp upx behavioral2/memory/5072-31-0x0000000000A70000-0x0000000000AFC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\56d5a0 6c5cfb31 File opened for modification C:\Windows\5322f0 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe - 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 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6c5cfb31 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 6c5cfb31 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 6c5cfb31 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 6c5cfb31 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 6c5cfb31 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 6c5cfb31 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 6c5cfb31 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 6c5cfb31 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 6c5cfb31 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 6c5cfb31 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5072 6c5cfb31 5072 6c5cfb31 5072 6c5cfb31 5072 6c5cfb31 5072 6c5cfb31 5072 6c5cfb31 5072 6c5cfb31 5072 6c5cfb31 4856 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe 4856 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe 4856 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe 4856 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe 4856 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe 4856 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe 4856 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe 4856 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe 4856 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe 4856 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe 4856 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe 4856 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe 4856 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe 4856 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4856 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe Token: SeTcbPrivilege 4856 b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe Token: SeDebugPrivilege 5072 6c5cfb31 Token: SeTcbPrivilege 5072 6c5cfb31
Processes
-
C:\Users\Admin\AppData\Local\Temp\b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe"C:\Users\Admin\AppData\Local\Temp\b9a714bea3c7b7430122fbca8a4311fe3ac48dcda10b8f3c88fff18728c629fe.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4856
-
C:\Windows\Syswow64\6c5cfb31C:\Windows\Syswow64\6c5cfb311⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5072
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\6c5cfb31
- Size 761KB
- SHA256 32a920ed34a0dad4002517c9f03bfd88c69170580909b0a6404b1e0e84d1eed0
- MD5 5533140a3a1dfc22354405b5c3abcb12
- SHA1 3f7953812738294e8685c65b8093923b137db5cf
- SHA512 19161536796d03b4d2b5ad7d8f897894dc12a22f56a94f8c3dacb0db8e2124b6ed0135ef38cdea7b180ecca6c537047de676dc226011c1f1ea6d1bb768ac77d7
- SSDEEP 12288:sSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:fvO2xJKRw2kOkxSkW298B
- TLSH T175F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH