Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
14/08/2026, 12:12
Behavioral task
behavioral1
Sample
bd72997ad548b2ab77960d704a3613860c9e9459b8c756334364d042084d6912.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target bd72997ad548b2ab77960d704a3613860c9e9459b8c756334364d042084d6912.exe
- Size 560KB
- Sample260814-pc65cstsdy
- SHA256 bd72997ad548b2ab77960d704a3613860c9e9459b8c756334364d042084d6912
- MD5 7cf4f8522d8a67dd4bb258749ee3e9af
- SHA1 d10e5dc38f1f2a3f5d9e6c08760e697bad890d3f
- SHA512 830bfa59af7895234e01859383fb7808b6ca4270344fbec8294306afa6b8384a9e37bc28a7468fa023ac9ba2e77e282ddda07054fba25052a75e4313e1264350
- SSDEEP 6144:dgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:dI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T110C48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2632 6ecdb8e4 - 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 3 114.114.114.114 2732 bd72997ad548b2ab77960d704a3613860c9e9459b8c756334364d042084d6912.exe Destination IP 13 223.5.5.5 2732 bd72997ad548b2ab77960d704a3613860c9e9459b8c756334364d042084d6912.exe Destination IP 41 114.114.114.114 2732 bd72997ad548b2ab77960d704a3613860c9e9459b8c756334364d042084d6912.exe Destination IP 42 223.5.5.5 2732 bd72997ad548b2ab77960d704a3613860c9e9459b8c756334364d042084d6912.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6ecdb8e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 6ecdb8e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 6ecdb8e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 6ecdb8e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 6ecdb8e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 6ecdb8e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6ecdb8e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 6ecdb8e4 File created C:\Windows\SysWOW64\6ecdb8e4 bd72997ad548b2ab77960d704a3613860c9e9459b8c756334364d042084d6912.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 6ecdb8e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6ecdb8e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 6ecdb8e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 6ecdb8e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6ecdb8e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 6ecdb8e4 -
resource yara_rule behavioral1/memory/2732-0-0x00000000004C0000-0x000000000054C000-memory.dmp upx behavioral1/files/0x0012000000024315-2.dat upx behavioral1/memory/2632-4-0x0000000000590000-0x000000000061C000-memory.dmp upx behavioral1/memory/2732-13-0x00000000004C0000-0x000000000054C000-memory.dmp upx behavioral1/memory/2632-14-0x0000000000590000-0x000000000061C000-memory.dmp upx behavioral1/memory/2632-24-0x0000000000590000-0x000000000061C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2d0f90 6ecdb8e4 File opened for modification C:\Windows\2ec5d8 bd72997ad548b2ab77960d704a3613860c9e9459b8c756334364d042084d6912.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 bd72997ad548b2ab77960d704a3613860c9e9459b8c756334364d042084d6912.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6ecdb8e4 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 6ecdb8e4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 6ecdb8e4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 6ecdb8e4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 6ecdb8e4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 6ecdb8e4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 6ecdb8e4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 6ecdb8e4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 6ecdb8e4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 6ecdb8e4 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2632 6ecdb8e4 2632 6ecdb8e4 2632 6ecdb8e4 2632 6ecdb8e4 2632 6ecdb8e4 2632 6ecdb8e4 2632 6ecdb8e4 2632 6ecdb8e4 2732 bd72997ad548b2ab77960d704a3613860c9e9459b8c756334364d042084d6912.exe 2732 bd72997ad548b2ab77960d704a3613860c9e9459b8c756334364d042084d6912.exe 2732 bd72997ad548b2ab77960d704a3613860c9e9459b8c756334364d042084d6912.exe 2732 bd72997ad548b2ab77960d704a3613860c9e9459b8c756334364d042084d6912.exe 2732 bd72997ad548b2ab77960d704a3613860c9e9459b8c756334364d042084d6912.exe 2732 bd72997ad548b2ab77960d704a3613860c9e9459b8c756334364d042084d6912.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2732 bd72997ad548b2ab77960d704a3613860c9e9459b8c756334364d042084d6912.exe Token: SeTcbPrivilege 2732 bd72997ad548b2ab77960d704a3613860c9e9459b8c756334364d042084d6912.exe Token: SeDebugPrivilege 2632 6ecdb8e4 Token: SeTcbPrivilege 2632 6ecdb8e4
Processes
-
C:\Users\Admin\AppData\Local\Temp\bd72997ad548b2ab77960d704a3613860c9e9459b8c756334364d042084d6912.exe"C:\Users\Admin\AppData\Local\Temp\bd72997ad548b2ab77960d704a3613860c9e9459b8c756334364d042084d6912.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:2732
-
C:\Windows\Syswow64\6ecdb8e4C:\Windows\Syswow64\6ecdb8e41⤵
- 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:2632
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\6ecdb8e4
- Size 560KB
- SHA256 2f9aacb83240eba89470cb1fde849e31ea67fcd7d66366a2d7f9219bb06ed666
- MD5 1fda1edaf99e2a3395e30fa5359cbbd7
- SHA1 75cccf6396394c24d50ad853ff8121e18ece30c1
- SHA512 37169eca2273cc4c69c0f13fc6b93cd5cb128bb2d29a52eddb255ecd990e29816f212196dc03584eb0c65f115001eea0f25101d9a45edd8d4f6f85b8f02ee1df
- SSDEEP 6144:Qgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:QI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T1FDC48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH