Analysis
- max time kernel
150s - 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
23/08/2026, 20:06
Behavioral task
behavioral1
Sample
0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe
- Size 640KB
- Sample260823-yvrbasbb87
- SHA256 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981
- MD5 3c919ac410fac4bd7da5d004126efd65
- SHA1 526768b9f2f905d93e1949d1894bc94a085e7ce0
- SHA512 9cdf08b06626f76f62f355ce5781a8a3761d3a14bc110f8ca86af7d420e8ce7e0aed25e32013dbc37d245a8821e75710de51f19ed9a8e051bb496995f79b080e
- SSDEEP 6144:gcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:gSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T151D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3736 38cbbae4 - Unexpected DNS network traffic destination 16 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 128 114.114.114.114 3736 38cbbae4 Destination IP 177 223.5.5.5 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe Destination IP 282 223.5.5.5 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe Destination IP 379 114.114.114.114 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe Destination IP 348 114.114.114.114 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe Destination IP 3 114.114.114.114 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe Destination IP 4 223.5.5.5 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe Destination IP 48 114.114.114.114 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe Destination IP 140 223.5.5.5 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe Destination IP 175 114.114.114.114 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe Destination IP 281 114.114.114.114 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe Destination IP 49 223.5.5.5 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe Destination IP 349 223.5.5.5 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe Destination IP 113 114.114.114.114 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe Destination IP 114 223.5.5.5 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe Destination IP 380 223.5.5.5 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 38cbbae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 38cbbae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 38cbbae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 38cbbae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 38cbbae4 File created C:\Windows\SysWOW64\38cbbae4 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 38cbbae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 38cbbae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 38cbbae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 38cbbae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 38cbbae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 38cbbae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 38cbbae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 38cbbae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 38cbbae4 -
resource yara_rule behavioral1/memory/1600-0-0x0000000000230000-0x00000000002BC000-memory.dmp upx behavioral1/files/0x000b000000024267-2.dat upx behavioral1/memory/3736-4-0x0000000000A10000-0x0000000000A9C000-memory.dmp upx behavioral1/memory/1600-18-0x0000000000230000-0x00000000002BC000-memory.dmp upx behavioral1/memory/3736-19-0x0000000000A10000-0x0000000000A9C000-memory.dmp upx behavioral1/memory/3736-36-0x0000000000A10000-0x0000000000A9C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3ff630 38cbbae4 File opened for modification C:\Windows\1b6480 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.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 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 38cbbae4 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 38cbbae4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 38cbbae4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 38cbbae4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 38cbbae4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 38cbbae4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 38cbbae4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 38cbbae4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 38cbbae4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 38cbbae4 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3736 38cbbae4 3736 38cbbae4 3736 38cbbae4 3736 38cbbae4 3736 38cbbae4 3736 38cbbae4 3736 38cbbae4 3736 38cbbae4 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe Token: SeTcbPrivilege 1600 0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe Token: SeDebugPrivilege 3736 38cbbae4 Token: SeTcbPrivilege 3736 38cbbae4
Processes
-
C:\Users\Admin\AppData\Local\Temp\0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.exe"C:\Users\Admin\AppData\Local\Temp\0af466e857f07de2e3655c3e8d03484cb53b6ed6cc9ea60fe4bb4e9c5e433981.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:1600
-
C:\Windows\Syswow64\38cbbae4C:\Windows\Syswow64\38cbbae41⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:3736
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\38cbbae4
- Size 640KB
- SHA256 62ad1456937f4f0c043c56c4d96923565a450992f6b5d7d54763bb236c73ed3b
- MD5 8a371536bce13c19eaf721e4eacba2d1
- SHA1 0079d5525ee0ad78689c54dc368d745b8381bf5d
- SHA512 28d8d5fe0364fdf3a81a5737bd0052c8e45e864f47fa5ec5688f9490aa12f3336ef874c6886d12998895e1ae74af67803fcb7b21df3c50d3253767bb7b070b79
- SSDEEP 6144:dcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:dSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1EBD45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH