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
01/10/2026, 20:37
Behavioral task
behavioral1
Sample
ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe
- Size 2.5MB
- Sample261001-zedwpsszay
- SHA256 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012
- MD5 885c13e46e5727f0ca5957dbc89e2bea
- SHA1 18b4dff2d7d3a90290c74d36612ad04ee9e44dc3
- SHA512 b90ea5321acef3fe36ba9be97a7f478e52484036e1f1bfc4db2adf35436c5e9eceb585db642600c559ed8a502a8b4d3ae2ceb8fa71235c8594e42d0c28ee8374
- SSDEEP 49152:zHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:znKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T1BFC58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4432 a7a49314 - Unexpected DNS network traffic destination 22 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 396 223.5.5.5 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 96 223.5.5.5 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 150 223.5.5.5 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 236 223.5.5.5 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 309 114.114.114.114 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 452 114.114.114.114 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 453 223.5.5.5 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 41 223.5.5.5 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 181 114.114.114.114 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 235 114.114.114.114 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 290 223.5.5.5 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 4 223.5.5.5 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 339 114.114.114.114 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 340 223.5.5.5 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 395 114.114.114.114 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 1 114.114.114.114 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 40 114.114.114.114 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 94 114.114.114.114 4432 a7a49314 Destination IP 149 114.114.114.114 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 182 223.5.5.5 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 289 114.114.114.114 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 310 223.5.5.5 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a7a49314 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a7a49314 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a7a49314 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a7a49314 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a7a49314 File created C:\Windows\SysWOW64\a7a49314 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a7a49314 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a7a49314 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a7a49314 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a7a49314 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a7a49314 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a7a49314 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a7a49314 -
resource yara_rule behavioral2/memory/2484-0-0x00000000002F0000-0x000000000037C000-memory.dmp upx behavioral2/files/0x000b00000001b2c5-2.dat upx behavioral2/memory/4432-3-0x0000000000E50000-0x0000000000EDC000-memory.dmp upx behavioral2/memory/2484-18-0x00000000002F0000-0x000000000037C000-memory.dmp upx behavioral2/memory/4432-19-0x0000000000E50000-0x0000000000EDC000-memory.dmp upx behavioral2/memory/4432-42-0x0000000000E50000-0x0000000000EDC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4be0a0 a7a49314 File opened for modification C:\Windows\2a86e8 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.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\Hostname a7a49314 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain a7a49314 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.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 a7a49314 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe - 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 a7a49314 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a7a49314 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a7a49314 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a7a49314 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a7a49314 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" a7a49314 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a7a49314 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a7a49314 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a7a49314 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4432 a7a49314 4432 a7a49314 4432 a7a49314 4432 a7a49314 4432 a7a49314 4432 a7a49314 4432 a7a49314 4432 a7a49314 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Token: SeTcbPrivilege 2484 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Token: SeDebugPrivilege 4432 a7a49314 Token: SeTcbPrivilege 4432 a7a49314
Processes
-
C:\Users\Admin\AppData\Local\Temp\ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe"C:\Users\Admin\AppData\Local\Temp\ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.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:2484
-
C:\Windows\Syswow64\a7a49314C:\Windows\Syswow64\a7a493141⤵
- 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:4432
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\a7a49314
- Size 2.5MB
- SHA256 706c370b351463d8ca4fa0a57e264ed695ac0eba7ab26040261fb80174633694
- MD5 21384a0279ab9bb54ed1b5a25d63f9a9
- SHA1 a54d20b7ca36f4576bf66ec0fa46c25e90cb5585
- SHA512 60624efab72bff427d79d2ccef9f11beca64d9515d18bd45980f60ec48030175f0edb60049ac7e63d4cf2e4e7a19719077db220dfc7ec6086c9a0cd3e66c0c94
- SSDEEP 49152:uHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:unKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T1A1C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH