Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
25/09/2026, 19:37
Behavioral task
behavioral1
Sample
fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe
- Size 525KB
- Sample260925-yb4saax1ex
- SHA256 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7
- MD5 e2f458fde450271551d95f3c6fe14da6
- SHA1 10cfe7f1967c4b8b71601d1a516eebcbcae305b6
- SHA512 038eaf43da84c69d30ad8f581cd4ed1235662ca18f1c5ef8366961798488e32f903578918f87f0f1ef8b119c1cf7ce06da651f5945bc16821a7f4957ad2d9921
- SSDEEP 6144:pcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:pSvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T1C2B47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4760 32f4c6f0 - Unexpected DNS network traffic destination 18 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 95 114.114.114.114 4760 32f4c6f0 Destination IP 377 223.5.5.5 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe Destination IP 127 114.114.114.114 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe Destination IP 129 223.5.5.5 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe Destination IP 182 223.5.5.5 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe Destination IP 236 223.5.5.5 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe Destination IP 292 114.114.114.114 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe Destination IP 293 223.5.5.5 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe Destination IP 376 114.114.114.114 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe Destination IP 3 114.114.114.114 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe Destination IP 4 223.5.5.5 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe Destination IP 40 114.114.114.114 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe Destination IP 96 223.5.5.5 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe Destination IP 235 114.114.114.114 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe Destination IP 322 114.114.114.114 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe Destination IP 323 223.5.5.5 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe Destination IP 41 223.5.5.5 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe Destination IP 181 114.114.114.114 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 32f4c6f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 32f4c6f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 32f4c6f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 32f4c6f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 32f4c6f0 File created C:\Windows\SysWOW64\32f4c6f0 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 32f4c6f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 32f4c6f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 32f4c6f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 32f4c6f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 32f4c6f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 32f4c6f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 32f4c6f0 -
resource yara_rule behavioral2/memory/2416-0-0x0000000000E60000-0x0000000000EEC000-memory.dmp upx behavioral2/memory/4760-3-0x00000000002D0000-0x000000000035C000-memory.dmp upx behavioral2/files/0x000500000001b84f-2.dat upx behavioral2/memory/2416-18-0x0000000000E60000-0x0000000000EEC000-memory.dmp upx behavioral2/memory/4760-19-0x00000000002D0000-0x000000000035C000-memory.dmp upx behavioral2/memory/4760-40-0x00000000002D0000-0x000000000035C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\517e30 32f4c6f0 File opened for modification C:\Windows\295ce0 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.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 32f4c6f0 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 32f4c6f0 - 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 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 32f4c6f0 - 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:" 32f4c6f0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 32f4c6f0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 32f4c6f0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 32f4c6f0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 32f4c6f0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 32f4c6f0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 32f4c6f0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 32f4c6f0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 32f4c6f0 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4760 32f4c6f0 4760 32f4c6f0 4760 32f4c6f0 4760 32f4c6f0 4760 32f4c6f0 4760 32f4c6f0 4760 32f4c6f0 4760 32f4c6f0 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe Token: SeTcbPrivilege 2416 fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe Token: SeDebugPrivilege 4760 32f4c6f0 Token: SeTcbPrivilege 4760 32f4c6f0
Processes
-
C:\Users\Admin\AppData\Local\Temp\fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.exe"C:\Users\Admin\AppData\Local\Temp\fd3f54bbb83b0dede7862ffd7f942bca57055783e31d5975bbe9e88df97f45c7.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:2416
-
C:\Windows\Syswow64\32f4c6f0C:\Windows\Syswow64\32f4c6f01⤵
- 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:4760
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\32f4c6f0
- Size 525KB
- SHA256 7304ce7908d517efbc53ab28e8b01c04a923d2749bf1a72d417069ba92c9d71a
- MD5 c0d520c3ccba144946db19a44de086fa
- SHA1 540bb4da74814adc0be96da64c111cafcc0ac3a2
- SHA512 0a818015352486e1f515ed3d4c86bc229a4e100c20a88b566663d189018da57f9fb26c4c55f004946f604aa324e8395412741d5c38be9f9338be6c132e59aa17
- SSDEEP 6144:WcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:WSvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T1F4B47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH