Analysis
- max time kernel
148s - max time network
145s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/10/2026, 19:41
Behavioral task
behavioral1
Sample
fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe
- Size 525KB
- Sample261009-yd5glasyev
- SHA256 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b
- MD5 6eb00def8986dde3abf56159cff3be04
- SHA1 177dcdf1f3ab22235b143af31ec77f8868e304e3
- SHA512 72f3730fb9d28a45ddfd6729da36acb0bae68e4b29f7acd8b740dd861608c8aafed99ab2333428459715e20d677ac7a031f4e71ee9335378a1de566cb358c495
- SSDEEP 6144:zcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:zSvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T151B47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4660 c3218d7e - Unexpected DNS network traffic destination 20 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 236 223.5.5.5 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Destination IP 315 223.5.5.5 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Destination IP 344 114.114.114.114 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Destination IP 401 223.5.5.5 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Destination IP 182 223.5.5.5 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Destination IP 235 114.114.114.114 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Destination IP 314 114.114.114.114 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Destination IP 345 223.5.5.5 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Destination IP 289 114.114.114.114 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Destination IP 1 114.114.114.114 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Destination IP 2 223.5.5.5 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Destination IP 96 223.5.5.5 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Destination IP 149 114.114.114.114 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Destination IP 150 223.5.5.5 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Destination IP 400 114.114.114.114 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Destination IP 40 114.114.114.114 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Destination IP 94 114.114.114.114 4660 c3218d7e Destination IP 290 223.5.5.5 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Destination IP 41 223.5.5.5 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Destination IP 181 114.114.114.114 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.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 c3218d7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c3218d7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c3218d7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c3218d7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c3218d7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c3218d7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c3218d7e File created C:\Windows\SysWOW64\c3218d7e fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c3218d7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c3218d7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c3218d7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c3218d7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c3218d7e -
resource yara_rule behavioral2/memory/3392-0-0x00000000004C0000-0x000000000054C000-memory.dmp upx behavioral2/files/0x000b00000001b2fd-2.dat upx behavioral2/memory/4660-3-0x0000000000D20000-0x0000000000DAC000-memory.dmp upx behavioral2/memory/3392-18-0x00000000004C0000-0x000000000054C000-memory.dmp upx behavioral2/memory/4660-19-0x0000000000D20000-0x0000000000DAC000-memory.dmp upx behavioral2/memory/4660-42-0x0000000000D20000-0x0000000000DAC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4fc7e8 c3218d7e File opened for modification C:\Windows\3a1280 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.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 c3218d7e Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname c3218d7e - 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 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c3218d7e - 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\Cookies\CachePrefix = "Cookie:" c3218d7e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c3218d7e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c3218d7e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c3218d7e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c3218d7e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c3218d7e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c3218d7e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix c3218d7e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c3218d7e - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4660 c3218d7e 4660 c3218d7e 4660 c3218d7e 4660 c3218d7e 4660 c3218d7e 4660 c3218d7e 4660 c3218d7e 4660 c3218d7e 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Token: SeTcbPrivilege 3392 fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe Token: SeDebugPrivilege 4660 c3218d7e Token: SeTcbPrivilege 4660 c3218d7e
Processes
-
C:\Users\Admin\AppData\Local\Temp\fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.exe"C:\Users\Admin\AppData\Local\Temp\fb251361f8dc81b0117103df10ce30cebf7bba8e894441bb9ad98c4e8a950d3b.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:3392
-
C:\Windows\Syswow64\c3218d7eC:\Windows\Syswow64\c3218d7e1⤵
- 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:4660
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c3218d7e
- Size 525KB
- SHA256 0ab6cc74a701807a777d47355a5a66429df872795e42f7343b13144302506676
- MD5 5907d16d21e4c0e0550638985e2ddf76
- SHA1 137f2445c9eecf3e7c5783547cba2c2d5a647e65
- SHA512 d05380aa936f2dbce2eb2417ea0798de19d9bc0726d1030e327a287d44754a297a6ae3b9213ababa2b3b220b47458d56b9d739d8c6fb47d5dcb391acf4c840a6
- SSDEEP 6144:bcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:bSvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T1F6B47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH