Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-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 1084 f088ae - Unexpected DNS network traffic destination 27 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 56 114.114.114.114 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 193 223.5.5.5 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 231 114.114.114.114 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 392 114.114.114.114 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 393 223.5.5.5 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 534 114.114.114.114 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 597 223.5.5.5 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 4 223.5.5.5 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 57 223.5.5.5 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 122 114.114.114.114 1084 f088ae Destination IP 123 223.5.5.5 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 240 223.5.5.5 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 438 114.114.114.114 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 627 114.114.114.114 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 628 223.5.5.5 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 190 114.114.114.114 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 302 223.5.5.5 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 351 223.5.5.5 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 439 223.5.5.5 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 469 114.114.114.114 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 470 223.5.5.5 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 535 223.5.5.5 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 596 114.114.114.114 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 301 114.114.114.114 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 347 114.114.114.114 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 688 114.114.114.114 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Destination IP 3 114.114.114.114 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f088ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f088ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f088ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f088ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f088ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f088ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f088ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f088ae File created C:\Windows\SysWOW64\f088ae ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f088ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f088ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f088ae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f088ae -
resource yara_rule behavioral1/memory/5836-0-0x0000000000D20000-0x0000000000DAC000-memory.dmp upx behavioral1/files/0x001c000000023876-3.dat upx behavioral1/memory/1084-4-0x0000000000E20000-0x0000000000EAC000-memory.dmp upx behavioral1/memory/5836-18-0x0000000000D20000-0x0000000000DAC000-memory.dmp upx behavioral1/memory/1084-19-0x0000000000E20000-0x0000000000EAC000-memory.dmp upx behavioral1/memory/1084-40-0x0000000000E20000-0x0000000000EAC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\128ef8 f088ae File opened for modification C:\Windows\63ea18 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 f088ae Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain f088ae 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 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f088ae - 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:" f088ae Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f088ae Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f088ae Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f088ae Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f088ae Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f088ae Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f088ae Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f088ae Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f088ae - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1084 f088ae 1084 f088ae 1084 f088ae 1084 f088ae 1084 f088ae 1084 f088ae 1084 f088ae 1084 f088ae 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Token: SeTcbPrivilege 5836 ef22b858e9d3099c59ef0e14e56cfc689c35e1560b9e81f2a81a5b56d575e012.exe Token: SeDebugPrivilege 1084 f088ae Token: SeTcbPrivilege 1084 f088ae
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:5836
-
C:\Windows\Syswow64\f088aeC:\Windows\Syswow64\f088ae1⤵
- 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:1084
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f088ae
- Size 2.5MB
- SHA256 d4f73671b61844bb5c7e685852f7b556275d71ddde32523ea9e571b0e318c888
- MD5 f3a5529f284c58ff652604312f6d1e26
- SHA1 0098243ab58dbcf99fc679e4e3cb4dfa464c04b6
- SHA512 7cff62eeb6d005f6ed99e4c5ccedc12334dbdc753adb2360a770792af347aa77771f0811ebf033bff17013a9c27cb4e0eff7b242af88fecd731dd469a9478fee
- SSDEEP 49152:ZHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:ZnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T132C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH