Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/08/2026, 22:12
Behavioral task
behavioral1
Sample
d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe
- Size 525KB
- Sample260822-14q31azelc
- SHA256 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb
- MD5 bed02d840101381d0c7bbbe30b8d5cf5
- SHA1 69570a8e60fb7821f40e64cf78d21ffba0672885
- SHA512 d29132b2ac04b4112d6f260b212b2f792fb8a2697d60ad09e5a5f7c8019f46d3049d26df5a2f1b43f62aa336d63a86380da0bc6f3806a8cced166eca7941ee17
- SSDEEP 6144:4cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:4SvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T187B47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3868 621f6eca - Unexpected DNS network traffic destination 6 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 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe Destination IP 19 114.114.114.114 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe Destination IP 20 223.5.5.5 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe Destination IP 65 114.114.114.114 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe Destination IP 66 223.5.5.5 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe Destination IP 1 114.114.114.114 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 621f6eca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 621f6eca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 621f6eca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 621f6eca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 621f6eca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 621f6eca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 621f6eca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 621f6eca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 621f6eca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 621f6eca File created C:\Windows\SysWOW64\621f6eca d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 621f6eca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 621f6eca -
resource yara_rule behavioral2/memory/3984-0-0x0000000000020000-0x00000000000AC000-memory.dmp upx behavioral2/files/0x000a000000019cb5-2.dat upx behavioral2/memory/3868-3-0x0000000000DD0000-0x0000000000E5C000-memory.dmp upx behavioral2/memory/3984-10-0x0000000000020000-0x00000000000AC000-memory.dmp upx behavioral2/memory/3868-11-0x0000000000DD0000-0x0000000000E5C000-memory.dmp upx behavioral2/memory/3868-32-0x0000000000DD0000-0x0000000000E5C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4238b8 621f6eca File opened for modification C:\Windows\443520 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.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 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 621f6eca - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 621f6eca Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 621f6eca Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 621f6eca Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 621f6eca Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 621f6eca Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 621f6eca Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 621f6eca Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 621f6eca Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 621f6eca - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3868 621f6eca 3868 621f6eca 3868 621f6eca 3868 621f6eca 3868 621f6eca 3868 621f6eca 3868 621f6eca 3868 621f6eca 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe Token: SeTcbPrivilege 3984 d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe Token: SeDebugPrivilege 3868 621f6eca Token: SeTcbPrivilege 3868 621f6eca
Processes
-
C:\Users\Admin\AppData\Local\Temp\d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.exe"C:\Users\Admin\AppData\Local\Temp\d245949e60340aa17ae89d352a759cf43275c0c008d3e6ccc684153fb3daf6fb.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:3984
-
C:\Windows\Syswow64\621f6ecaC:\Windows\Syswow64\621f6eca1⤵
- 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:3868
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\621f6eca
- Size 525KB
- SHA256 6e34fb7d35a0a6f08273b5573e3b335be2d9cf6564feeb6a8ee5b26c5e39d6cb
- MD5 38a185f3a5b03fb66b5f37df46799c35
- SHA1 aaa61992676aa8fe5d098118d3e64d32d2761c20
- SHA512 0403943b3938e75db9eef4970484aa09b9821ca3afbbb2c57a8bcde71c70e4591ec774670e2f38d723eb50536388fc3402d738ea228e0cb4f371b2d94dc48ba3
- SSDEEP 6144:lcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:lSvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T17CB47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH