Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/07/2026, 19:48
Behavioral task
behavioral1
Sample
16e3f166e23d8f68fc0a13aa928739acf8ed7fa61068dd83515e7d94620a6802.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 16e3f166e23d8f68fc0a13aa928739acf8ed7fa61068dd83515e7d94620a6802.exe
- Size 525KB
- Sample260722-yjehcstdjg
- SHA256 16e3f166e23d8f68fc0a13aa928739acf8ed7fa61068dd83515e7d94620a6802
- MD5 76bbe13dd2e150369c41a399932aa357
- SHA1 f6089d3e394eac0e41c93ed24a772f6bed1b1902
- SHA512 f6b4d467bed36a0e52e9e26defd8077a90db15c2336600e381326f8a86ff088ddb536bfff75614f451bf36b5164340fce85d0de070ac403da979e9b0baaaa74e
- SSDEEP 6144:EcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:ESvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T119B47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4772 513f05cf - 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 1760 16e3f166e23d8f68fc0a13aa928739acf8ed7fa61068dd83515e7d94620a6802.exe Destination IP 4 223.5.5.5 1760 16e3f166e23d8f68fc0a13aa928739acf8ed7fa61068dd83515e7d94620a6802.exe Destination IP 50 114.114.114.114 1760 16e3f166e23d8f68fc0a13aa928739acf8ed7fa61068dd83515e7d94620a6802.exe Destination IP 51 223.5.5.5 1760 16e3f166e23d8f68fc0a13aa928739acf8ed7fa61068dd83515e7d94620a6802.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 513f05cf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 513f05cf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 513f05cf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 513f05cf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 513f05cf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 513f05cf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 513f05cf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 513f05cf File created C:\Windows\SysWOW64\513f05cf 16e3f166e23d8f68fc0a13aa928739acf8ed7fa61068dd83515e7d94620a6802.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 513f05cf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 513f05cf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 513f05cf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 513f05cf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 513f05cf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 513f05cf -
resource yara_rule behavioral1/memory/1760-0-0x0000000000D70000-0x0000000000DFC000-memory.dmp upx behavioral1/memory/4772-3-0x0000000000D10000-0x0000000000D9C000-memory.dmp upx behavioral1/files/0x00070000000231e6-2.dat upx behavioral1/memory/1760-12-0x0000000000D70000-0x0000000000DFC000-memory.dmp upx behavioral1/memory/4772-13-0x0000000000D10000-0x0000000000D9C000-memory.dmp upx behavioral1/memory/4772-27-0x0000000000D10000-0x0000000000D9C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\51b2c8 513f05cf File opened for modification C:\Windows\1e21c0 16e3f166e23d8f68fc0a13aa928739acf8ed7fa61068dd83515e7d94620a6802.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 16e3f166e23d8f68fc0a13aa928739acf8ed7fa61068dd83515e7d94620a6802.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 513f05cf - 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" 513f05cf Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 513f05cf Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 513f05cf Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 513f05cf Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 513f05cf Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 513f05cf Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 513f05cf Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 513f05cf Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 513f05cf - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4772 513f05cf 4772 513f05cf 4772 513f05cf 4772 513f05cf 4772 513f05cf 4772 513f05cf 4772 513f05cf 4772 513f05cf 1760 16e3f166e23d8f68fc0a13aa928739acf8ed7fa61068dd83515e7d94620a6802.exe 1760 16e3f166e23d8f68fc0a13aa928739acf8ed7fa61068dd83515e7d94620a6802.exe 1760 16e3f166e23d8f68fc0a13aa928739acf8ed7fa61068dd83515e7d94620a6802.exe 1760 16e3f166e23d8f68fc0a13aa928739acf8ed7fa61068dd83515e7d94620a6802.exe 1760 16e3f166e23d8f68fc0a13aa928739acf8ed7fa61068dd83515e7d94620a6802.exe 1760 16e3f166e23d8f68fc0a13aa928739acf8ed7fa61068dd83515e7d94620a6802.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1760 16e3f166e23d8f68fc0a13aa928739acf8ed7fa61068dd83515e7d94620a6802.exe Token: SeTcbPrivilege 1760 16e3f166e23d8f68fc0a13aa928739acf8ed7fa61068dd83515e7d94620a6802.exe Token: SeDebugPrivilege 4772 513f05cf Token: SeTcbPrivilege 4772 513f05cf
Processes
-
C:\Users\Admin\AppData\Local\Temp\16e3f166e23d8f68fc0a13aa928739acf8ed7fa61068dd83515e7d94620a6802.exe"C:\Users\Admin\AppData\Local\Temp\16e3f166e23d8f68fc0a13aa928739acf8ed7fa61068dd83515e7d94620a6802.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:1760
-
C:\Windows\Syswow64\513f05cfC:\Windows\Syswow64\513f05cf1⤵
- 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:4772
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\513f05cf
- Size 525KB
- SHA256 ab48d5c5ffc7445342e62cc70e9e3c4c27760781eb65f7fef6910fa9050637ea
- MD5 1ff904feb6224197e900beb47f52dd46
- SHA1 1180ccd970989b1d2d26d6e3bf5c8060ff4464be
- SHA512 aa714240cddbde509f55e1c13fc59b0c0aa597e40d486d6bb3879a4c0a958bcf0c02ed377b818ba7a7c6e2bf2b05e4af62fd8f46d564dd0efa686e3527195d38
- SSDEEP 6144:4cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:4SvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T128B47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH