Analysis
- max time kernel
150s - max time network
158s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/09/2026, 19:34
Behavioral task
behavioral1
Sample
ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe
- Size 560KB
- Sample260930-x97fdsy13p
- SHA256 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80
- MD5 7d8d6bf67539a2d8a7ce3d50738cee73
- SHA1 7817db390cc79566a1657ffbc124293b003fc5fa
- SHA512 a4b4fd35f6585b3fb3d7fe639f1ac1cfc2e3ae86ca8e51df31b1da504bfb21ddc0509c15ca3876936c3547839c069f63c79e882a53f8eaa3d16e7de454347f72
- SSDEEP 12288:rftONCx61vvGEYQFNEhyQU/lLi2IsOkxHy:TtONCTU/lmaOkxS
- TLSH T14EC48E29B6E0C076C4B79574C4A186BAFAB17432372089CFA39407571F637D2BA3974E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5632 95ef18e1 - 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 1 114.114.114.114 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Destination IP 180 114.114.114.114 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Destination IP 181 223.5.5.5 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Destination IP 234 114.114.114.114 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Destination IP 283 223.5.5.5 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Destination IP 349 114.114.114.114 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Destination IP 281 114.114.114.114 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Destination IP 318 223.5.5.5 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Destination IP 404 223.5.5.5 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Destination IP 93 114.114.114.114 5632 95ef18e1 Destination IP 148 114.114.114.114 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Destination IP 317 114.114.114.114 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Destination IP 403 114.114.114.114 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Destination IP 458 223.5.5.5 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Destination IP 4 223.5.5.5 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Destination IP 39 114.114.114.114 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Destination IP 40 223.5.5.5 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Destination IP 94 223.5.5.5 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Destination IP 149 223.5.5.5 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Destination IP 235 223.5.5.5 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Destination IP 350 223.5.5.5 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Destination IP 457 114.114.114.114 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.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\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 95ef18e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 95ef18e1 File created C:\Windows\SysWOW64\95ef18e1 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 95ef18e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 95ef18e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 95ef18e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 95ef18e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 95ef18e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 95ef18e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 95ef18e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 95ef18e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 95ef18e1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 95ef18e1 -
resource yara_rule behavioral2/memory/3764-0-0x0000000000580000-0x000000000060C000-memory.dmp upx behavioral2/files/0x00170000000115f6-2.dat upx behavioral2/memory/5632-3-0x0000000000C50000-0x0000000000CDC000-memory.dmp upx behavioral2/memory/3764-18-0x0000000000580000-0x000000000060C000-memory.dmp upx behavioral2/memory/5632-19-0x0000000000C50000-0x0000000000CDC000-memory.dmp upx behavioral2/memory/5632-42-0x0000000000C50000-0x0000000000CDC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\606c00 95ef18e1 File opened for modification C:\Windows\4070e8 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.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 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 95ef18e1 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 95ef18e1 - 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 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 95ef18e1 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 95ef18e1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 95ef18e1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 95ef18e1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 95ef18e1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 95ef18e1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 95ef18e1 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 95ef18e1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 95ef18e1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 95ef18e1 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5632 95ef18e1 5632 95ef18e1 5632 95ef18e1 5632 95ef18e1 5632 95ef18e1 5632 95ef18e1 5632 95ef18e1 5632 95ef18e1 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Token: SeTcbPrivilege 3764 ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe Token: SeDebugPrivilege 5632 95ef18e1 Token: SeTcbPrivilege 5632 95ef18e1
Processes
-
C:\Users\Admin\AppData\Local\Temp\ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.exe"C:\Users\Admin\AppData\Local\Temp\ff537e5ac551761a1638e35f1fa4828613c74a4630dda7e9822eaa2c82082e80.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:3764
-
C:\Windows\Syswow64\95ef18e1C:\Windows\Syswow64\95ef18e11⤵
- 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:5632
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\95ef18e1
- Size 560KB
- SHA256 e78dadb6d896505f88c553e6f13b773f7f350f694338afb675b4ce04f2823151
- MD5 6f5a03564b396ceb255e6faca861e8c5
- SHA1 f6b167c8e2591520b6250aef693665936cb2d278
- SHA512 30a833130f9b787ea104d2435b48d9b9642fd4e034d63a88669e41763b6b0d0cd0eff7c236ba656690b702726a1a7dce3cc9d376f2aa5e310cee73f33a4d9b36
- SSDEEP 12288:KftONCx61vvGEYQFNEhyQU/lLi2IsOkxHy:ktONCTU/lmaOkxS
- TLSH T1A3C48E29B6E0C076C4B79574C4A186BAFAB17432372089CFA39407571F637D2BA3974E
- MD5 SHA1 SHA512 SSDEEP TLSH