Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/09/2026, 04:34
Behavioral task
behavioral1
Sample
2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe
- Size 560KB
- Sample260928-e65hhswvcw
- SHA256 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33
- MD5 d558821fd95d4536224c54ffb8a91be4
- SHA1 19b2ff29f7c7353f10048d453ba7e14e6e6f9138
- SHA512 0b42d1f54dc5bdff0ef7c52b048e71b469cf4dad9013a3f8c5a7c84fd21983a5dd7aabb0c4338b59bb4b8a0d12b8e4875b8f87d06337e5ad6330c55dca57a3e3
- SSDEEP 6144:tgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:tI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T118C48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA7D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5988 4b5715fa - Unexpected DNS network traffic destination 26 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 35 114.114.114.114 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 146 223.5.5.5 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 273 114.114.114.114 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 358 223.5.5.5 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 499 114.114.114.114 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 500 223.5.5.5 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 91 223.5.5.5 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 145 114.114.114.114 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 232 223.5.5.5 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 327 114.114.114.114 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 414 223.5.5.5 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 468 114.114.114.114 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 469 223.5.5.5 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 2 223.5.5.5 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 275 223.5.5.5 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 328 223.5.5.5 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 413 114.114.114.114 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 36 223.5.5.5 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 90 114.114.114.114 5988 4b5715fa Destination IP 177 114.114.114.114 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 178 223.5.5.5 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 231 114.114.114.114 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 315 114.114.114.114 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 316 223.5.5.5 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 357 114.114.114.114 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 1 114.114.114.114 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\4b5715fa 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4b5715fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4b5715fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4b5715fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4b5715fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4b5715fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4b5715fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4b5715fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4b5715fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4b5715fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4b5715fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4b5715fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4b5715fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4b5715fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4b5715fa -
resource yara_rule behavioral2/memory/3780-0-0x0000000000B00000-0x0000000000B8C000-memory.dmp upx behavioral2/files/0x000a000000019cae-2.dat upx behavioral2/memory/5988-3-0x0000000000A40000-0x0000000000ACC000-memory.dmp upx behavioral2/memory/3780-20-0x0000000000B00000-0x0000000000B8C000-memory.dmp upx behavioral2/memory/5988-21-0x0000000000A40000-0x0000000000ACC000-memory.dmp upx behavioral2/memory/5988-46-0x0000000000A40000-0x0000000000ACC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\668448 4b5715fa File opened for modification C:\Windows\40b708 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.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 4b5715fa Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 4b5715fa Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.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 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4b5715fa - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4b5715fa Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 4b5715fa Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4b5715fa Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4b5715fa Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4b5715fa Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4b5715fa Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4b5715fa Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4b5715fa Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4b5715fa - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5988 4b5715fa 5988 4b5715fa 5988 4b5715fa 5988 4b5715fa 5988 4b5715fa 5988 4b5715fa 5988 4b5715fa 5988 4b5715fa 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Token: SeTcbPrivilege 3780 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Token: SeDebugPrivilege 5988 4b5715fa Token: SeTcbPrivilege 5988 4b5715fa
Processes
-
C:\Users\Admin\AppData\Local\Temp\2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe"C:\Users\Admin\AppData\Local\Temp\2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.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:3780
-
C:\Windows\Syswow64\4b5715faC:\Windows\Syswow64\4b5715fa1⤵
- 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:5988
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\4b5715fa
- Size 560KB
- SHA256 90a3de6502c169eabc4e8ff829ffef6e58f1b148f576a0ebef5ea9f654a1978d
- MD5 cde8a55b2b4b23fa9ba5914f583ea39a
- SHA1 9d0e8d9047c32c46d8d59d26c661302c699677b2
- SHA512 27d94a84c020e064e9b9eac352dbb27de4b82411a0d57f762b00024921d1a1f46e3f7dbd030c5b5257d85d7eba633764cb3198142ccfbf30a77c85cb4db5cd62
- SSDEEP 6144:5gye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:5I7OE4kopQzNKFyLWDHsOkxHy
- TLSH T1A5C48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH