Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
17/08/2026, 07:00
Behavioral task
behavioral1
Sample
b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe
- Size 832KB
- Sample260817-hsx33aaa87
- SHA256 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377
- MD5 e4268e9a52ad1b1e8567eb93f9a46a0a
- SHA1 df172fe46d5cada272e263ac88def8dfafaaf594
- SHA512 d16012316f7599fc3d674cee6b62d16f0ddfafd839bdeb196617a1dca9baa1ee66c798cc53cdd7f7bfb2d26584de9ef9c6afc4800c0ae91fcf251a71c1e54ba6
- SSDEEP 12288:3qXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEuZ9oawhtyybAsLAkQ:3jHPOSOkx2LFscUQPxuZ98Es8kQ
- TLSH T138059D21E202C13AD49701B2C6BE0BAFA5687D15432561C7E3D87D6A2FB61D2BE3171F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3324 8d0031db - 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 1 114.114.114.114 3192 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe Destination IP 2 223.5.5.5 3192 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe Destination IP 17 114.114.114.114 3192 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe Destination IP 18 223.5.5.5 3192 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 8d0031db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 8d0031db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 8d0031db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 8d0031db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 8d0031db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8d0031db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 8d0031db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 8d0031db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8d0031db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 8d0031db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 8d0031db File created C:\Windows\SysWOW64\8d0031db b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 8d0031db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8d0031db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8d0031db -
resource yara_rule behavioral2/memory/3192-0-0x0000000000080000-0x0000000000109000-memory.dmp upx behavioral2/files/0x000700000001b853-2.dat upx behavioral2/memory/3324-3-0x00000000003C0000-0x0000000000449000-memory.dmp upx behavioral2/memory/3192-10-0x0000000000080000-0x0000000000109000-memory.dmp upx behavioral2/memory/3324-12-0x00000000003C0000-0x0000000000449000-memory.dmp upx behavioral2/memory/3192-33-0x0000000000080000-0x0000000000109000-memory.dmp upx behavioral2/memory/3324-34-0x00000000003C0000-0x0000000000449000-memory.dmp upx behavioral2/memory/3192-41-0x0000000000080000-0x0000000000109000-memory.dmp upx behavioral2/memory/3192-48-0x0000000000080000-0x0000000000109000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\38e878 8d0031db File opened for modification C:\Windows\36a5f0 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.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 8d0031db Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 8d0031db Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 8d0031db Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 8d0031db Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 8d0031db Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 8d0031db Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 8d0031db Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 8d0031db Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 8d0031db Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 8d0031db - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3324 8d0031db 3324 8d0031db 3324 8d0031db 3324 8d0031db 3324 8d0031db 3324 8d0031db 3324 8d0031db 3324 8d0031db 3192 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe 3192 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe 3192 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe 3192 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe 3192 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe 3192 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe 3192 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe 3192 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe 3192 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe 3192 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe 3192 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe 3192 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe 3192 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe 3192 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3192 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe Token: SeTcbPrivilege 3192 b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe Token: SeDebugPrivilege 3324 8d0031db Token: SeTcbPrivilege 3324 8d0031db
Processes
-
C:\Users\Admin\AppData\Local\Temp\b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.exe"C:\Users\Admin\AppData\Local\Temp\b91184de34d9037a9aabe2a411bb13424a4846cc0b2cb72c2b81fde2a60eb377.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:3192
-
C:\Windows\Syswow64\8d0031dbC:\Windows\Syswow64\8d0031db1⤵
- 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:3324
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\8d0031db
- Size 832KB
- SHA256 000c2cddfa60673698e767324ebb8febcccd79c7fc4838c33274b21e04fc0768
- MD5 7a3cf907d3668cd19dad8f80f738c02f
- SHA1 878485c19652d6d4d54712f78d3a18e9b605a08f
- SHA512 4ab2d37b9bf53516619b4f5146f5ea5bacaecbb3007a4d0d95ab8d27cd2c4bdd25c2c8ba83f4fac1398844829ed3f6173e39a14aa241bb2af32be616fde0bde7
- SSDEEP 12288:tqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEuZ9oawhtyybAsLAkQ:tjHPOSOkx2LFscUQPxuZ98Es8kQ
- TLSH T1BA059D21E202C13AD49701B2C6BE0BAFA5687D15432561C7E3D87D6A2FB61D2BE3171F
- MD5 SHA1 SHA512 SSDEEP TLSH