Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-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 5788 8b7f655b - 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 3 114.114.114.114 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 4 223.5.5.5 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 240 223.5.5.5 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 370 114.114.114.114 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 371 223.5.5.5 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 401 114.114.114.114 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 402 223.5.5.5 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 122 223.5.5.5 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 166 223.5.5.5 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 239 114.114.114.114 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 300 114.114.114.114 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 55 114.114.114.114 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 121 114.114.114.114 5788 8b7f655b Destination IP 147 114.114.114.114 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 462 114.114.114.114 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 56 223.5.5.5 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 304 223.5.5.5 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Destination IP 463 223.5.5.5 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 8b7f655b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 8b7f655b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 8b7f655b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 8b7f655b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 8b7f655b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8b7f655b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8b7f655b File created C:\Windows\SysWOW64\8b7f655b 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 8b7f655b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 8b7f655b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 8b7f655b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8b7f655b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8b7f655b -
resource yara_rule behavioral1/memory/4628-0-0x0000000000C10000-0x0000000000C9C000-memory.dmp upx behavioral1/files/0x0006000000023432-2.dat upx behavioral1/memory/5788-4-0x00000000008C0000-0x000000000094C000-memory.dmp upx behavioral1/memory/4628-18-0x0000000000C10000-0x0000000000C9C000-memory.dmp upx behavioral1/memory/5788-21-0x00000000008C0000-0x000000000094C000-memory.dmp upx behavioral1/memory/5788-36-0x00000000008C0000-0x000000000094C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\6317b8 8b7f655b File opened for modification C:\Windows\4f3ba8 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 8b7f655b Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 8b7f655b 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 8b7f655b - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 8b7f655b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 8b7f655b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 8b7f655b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 8b7f655b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 8b7f655b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 8b7f655b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 8b7f655b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 8b7f655b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 8b7f655b - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 5788 8b7f655b 5788 8b7f655b 5788 8b7f655b 5788 8b7f655b 5788 8b7f655b 5788 8b7f655b 5788 8b7f655b 5788 8b7f655b 5788 8b7f655b 5788 8b7f655b 5788 8b7f655b 5788 8b7f655b 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Token: SeTcbPrivilege 4628 2a45f435f68513950073303a16b24fd60280b16d2ea474a939fa7172fd8fcd33.exe Token: SeDebugPrivilege 5788 8b7f655b Token: SeTcbPrivilege 5788 8b7f655b
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:4628
-
C:\Windows\Syswow64\8b7f655bC:\Windows\Syswow64\8b7f655b1⤵
- 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:5788
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\6317b8
- Size 506B
- SHA256 c0ca7ea9fdc16207e629f2e9077b5a4325b0b20d8d69d8b92f542fb1bc20db9d
- MD5 93047fbca809d41b6f1f11437df537e4
- SHA1 0ca604baff9d1f57c52b25d4030c26c79e4d9a06
- SHA512 e9221d9de5753c8d8797618d40f4e9990b603c5f59558e4ef26703129ca9a3d4dd00b3cf67e4cd633a1e815e51d42cd6d59bf26c9e4ac908a433836d3ffd87be
- TLSH T19EF09E3FE8B5E2F509A515B3B507E84F5019713BC43B51562EC2F080458265F580EC0C
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\SysWOW64\8b7f655b
- Size 560KB
- SHA256 889e3e35b9b9bfdae22bcd0d5a87303259045eef37c1536f2d9d1baaf2de0188
- MD5 22b65b21c38bfab83da8b03272afd74d
- SHA1 121de54f8fc38c70d43a69ae7bada46a51a7ff97
- SHA512 c295d04c320db081bd63dee57617db32cc84eda472727aff644423b8e43457767ed4603e4cf6169d000ec614f24dd48eb49574d27faf78ffcf549a245b8b3bb2
- SSDEEP 6144:rgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:rI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T17BC48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH