Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
11/10/2026, 14:26
Behavioral task
behavioral1
Sample
c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe
- Size 560KB
- Sample261011-rr253abb87
- SHA256 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b
- MD5 32f9c4596b0a5b37de18f5541517cebf
- SHA1 fb794680d6845d5e60029d93ae79fabc905e1a95
- SHA512 a11b1d7cebd1eb728793db1fcdfd13338576bb7a94fc563e15fe5c1a680ed4098d9ed3c572a432a2725a94a4d12519be81e166a8db3f9357015ad9800fade68c
- SSDEEP 6144:J4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:JrNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T148C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5268 a314c8bf - Unexpected DNS network traffic destination 24 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 366 223.5.5.5 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 479 223.5.5.5 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 1 114.114.114.114 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 94 223.5.5.5 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 148 114.114.114.114 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 333 114.114.114.114 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 334 223.5.5.5 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 180 114.114.114.114 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 318 114.114.114.114 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 365 114.114.114.114 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 419 114.114.114.114 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 420 223.5.5.5 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 478 114.114.114.114 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 3 223.5.5.5 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 39 114.114.114.114 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 93 114.114.114.114 5268 a314c8bf Destination IP 181 223.5.5.5 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 234 114.114.114.114 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 40 223.5.5.5 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 149 223.5.5.5 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 235 223.5.5.5 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 282 114.114.114.114 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 284 223.5.5.5 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Destination IP 319 223.5.5.5 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a314c8bf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a314c8bf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a314c8bf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a314c8bf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a314c8bf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a314c8bf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a314c8bf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a314c8bf File created C:\Windows\SysWOW64\a314c8bf c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a314c8bf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a314c8bf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a314c8bf File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a314c8bf -
resource yara_rule behavioral2/memory/2800-0-0x0000000000570000-0x00000000005FC000-memory.dmp upx behavioral2/files/0x000600000001b856-2.dat upx behavioral2/memory/5268-3-0x0000000000250000-0x00000000002DC000-memory.dmp upx behavioral2/memory/2800-18-0x0000000000570000-0x00000000005FC000-memory.dmp upx behavioral2/memory/5268-19-0x0000000000250000-0x00000000002DC000-memory.dmp upx behavioral2/memory/5268-44-0x0000000000250000-0x00000000002DC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5a30a8 a314c8bf File opened for modification C:\Windows\2fefe0 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname a314c8bf Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain a314c8bf Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.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 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a314c8bf - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a314c8bf Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a314c8bf Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a314c8bf Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a314c8bf Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix a314c8bf Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" a314c8bf Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a314c8bf Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a314c8bf Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a314c8bf - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5268 a314c8bf 5268 a314c8bf 5268 a314c8bf 5268 a314c8bf 5268 a314c8bf 5268 a314c8bf 5268 a314c8bf 5268 a314c8bf 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Token: SeTcbPrivilege 2800 c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe Token: SeDebugPrivilege 5268 a314c8bf Token: SeTcbPrivilege 5268 a314c8bf
Processes
-
C:\Users\Admin\AppData\Local\Temp\c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe"C:\Users\Admin\AppData\Local\Temp\c26b8dee0ce4ccebf04fa3a0dec21232b9401564cad47bd09a675239490a592b.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2800
-
C:\Windows\Syswow64\a314c8bfC:\Windows\Syswow64\a314c8bf1⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5268
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\a314c8bf
- Size 560KB
- SHA256 3d2b23d276c4f851a5880ce6ab29aa89be883e68bcdaba03073ae56cdf451c76
- MD5 eec9f2602afda27b0532a637f5a42a5f
- SHA1 da5b161470501995a066b9680f1edc4ce832d6d5
- SHA512 3ad736cdfba3d197c2d747e0418a292d6075dc586c64318e9cf3f4371810337065571b14b4ebb56e76fc51b4a8a2e2d8dd813f5706f7f06967af10ae9d8df4c2
- SSDEEP 6144:+4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:+rNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T1E1C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH