Analysis
- max time kernel
148s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/09/2026, 01:17
Behavioral task
behavioral1
Sample
555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe
- Size 560KB
- Sample260907-bnwk4styay
- SHA256 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6
- MD5 3acf5670bfc6fea616c0322997ebba38
- SHA1 f9b9ba882632fa02222b1a00f0c74d343721d8ca
- SHA512 b0c279c39a87761d35132f41fafe2aef95d9e95aaaaf2b40575f1f892bf21f494fbe2c50108fa8b25bc718d787d1ca88ac513c107a9f4b9e7f51fefb18180b28
- SSDEEP 6144:5gye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:5I7OE4kopQzNKFyLWDHsOkxHy
- TLSH T15FC48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4584 df53c47 - 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 4 223.5.5.5 2836 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe Destination IP 22 114.114.114.114 2836 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe Destination IP 23 223.5.5.5 2836 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe Destination IP 1 114.114.114.114 2836 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 df53c47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies df53c47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 df53c47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft df53c47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 df53c47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 df53c47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 df53c47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE df53c47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache df53c47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData df53c47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C df53c47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C df53c47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content df53c47 File created C:\Windows\SysWOW64\df53c47 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 df53c47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 df53c47 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 df53c47 -
resource yara_rule behavioral2/memory/2836-0-0x0000000000040000-0x00000000000CC000-memory.dmp upx behavioral2/files/0x000600000001b85f-2.dat upx behavioral2/memory/4584-3-0x0000000000C40000-0x0000000000CCC000-memory.dmp upx behavioral2/memory/2836-15-0x0000000000040000-0x00000000000CC000-memory.dmp upx behavioral2/memory/4584-16-0x0000000000C40000-0x0000000000CCC000-memory.dmp upx behavioral2/memory/4584-36-0x0000000000C40000-0x0000000000CCC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4e7ad0 df53c47 File opened for modification C:\Windows\308da8 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.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 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language df53c47 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" df53c47 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" df53c47 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing df53c47 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix df53c47 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" df53c47 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" df53c47 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ df53c47 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" df53c47 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" df53c47 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4584 df53c47 4584 df53c47 4584 df53c47 4584 df53c47 4584 df53c47 4584 df53c47 4584 df53c47 4584 df53c47 2836 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe 2836 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe 2836 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe 2836 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe 2836 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe 2836 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe 2836 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe 2836 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe 2836 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe 2836 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe 2836 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe 2836 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe 2836 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe 2836 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2836 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe Token: SeTcbPrivilege 2836 555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe Token: SeDebugPrivilege 4584 df53c47 Token: SeTcbPrivilege 4584 df53c47
Processes
-
C:\Users\Admin\AppData\Local\Temp\555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.exe"C:\Users\Admin\AppData\Local\Temp\555d19c7e867ca99360e1706b227d5ea0a2685854fffa67fd0bab065a2571be6.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:2836
-
C:\Windows\Syswow64\df53c47C:\Windows\Syswow64\df53c471⤵
- 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:4584
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\df53c47
- Size 560KB
- SHA256 8fb7ba78393c02a99182f60eedb00d0b08f682ca5f709428741f2c0cc8814103
- MD5 6c770c72642c320e2a12b3b2ba079caf
- SHA1 cd78055bc5941a84eba6c6443d317335700afd4c
- SHA512 b04481f419dd427a7fbd1520ebae41b04c89ca8d0f060b8b5c19bc34534f3158ee9d57668d1ce165283b0368f47233817773d01031a43b2f1039461cc6ffd6cd
- SSDEEP 6144:Fgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:FI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T198C48C2AB690D076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH