Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
17/10/2026, 10:18
Behavioral task
behavioral1
Sample
ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe
- Size 560KB
- Sample261017-mcdrpsec99
- SHA256 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3
- MD5 23f294e2cde2f6d93c8321043eab97b3
- SHA1 bd8658e1267de8819b5c5395e0aa133073105958
- SHA512 2c4e7a6cc312658075c30fc314032c64df06694084896fd5b953dfa72e106f311ab9dbd590375c0ac328cb90cdcc3b90605242a483afb7ddf0d4991db9556c0e
- SSDEEP 6144:1WVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:1kCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T1F2C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4160 5364641a - Unexpected DNS network traffic destination 21 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 182 223.5.5.5 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Destination IP 341 114.114.114.114 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Destination IP 398 223.5.5.5 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Destination IP 451 114.114.114.114 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Destination IP 149 114.114.114.114 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Destination IP 150 223.5.5.5 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Destination IP 181 114.114.114.114 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Destination IP 236 223.5.5.5 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Destination IP 276 223.5.5.5 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Destination IP 311 114.114.114.114 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Destination IP 344 223.5.5.5 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Destination IP 397 114.114.114.114 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Destination IP 1 114.114.114.114 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Destination IP 235 114.114.114.114 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Destination IP 41 223.5.5.5 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Destination IP 96 223.5.5.5 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Destination IP 274 114.114.114.114 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Destination IP 312 223.5.5.5 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Destination IP 4 223.5.5.5 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Destination IP 40 114.114.114.114 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Destination IP 94 114.114.114.114 4160 5364641a - 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 5364641a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 5364641a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 5364641a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 5364641a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 5364641a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5364641a File created C:\Windows\SysWOW64\5364641a ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 5364641a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 5364641a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 5364641a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5364641a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 5364641a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5364641a -
resource yara_rule behavioral2/memory/124-0-0x0000000000C30000-0x0000000000CBC000-memory.dmp upx behavioral2/files/0x000700000001b85a-2.dat upx behavioral2/memory/4160-4-0x0000000000D00000-0x0000000000D8C000-memory.dmp upx behavioral2/memory/124-18-0x0000000000C30000-0x0000000000CBC000-memory.dmp upx behavioral2/memory/4160-19-0x0000000000D00000-0x0000000000D8C000-memory.dmp upx behavioral2/memory/4160-42-0x0000000000D00000-0x0000000000D8C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\473880 5364641a File opened for modification C:\Windows\21f78 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.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 5364641a Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 5364641a - 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 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5364641a - 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:" 5364641a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 5364641a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 5364641a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 5364641a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 5364641a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 5364641a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 5364641a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 5364641a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 5364641a - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4160 5364641a 4160 5364641a 4160 5364641a 4160 5364641a 4160 5364641a 4160 5364641a 4160 5364641a 4160 5364641a 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Token: SeTcbPrivilege 124 ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe Token: SeDebugPrivilege 4160 5364641a Token: SeTcbPrivilege 4160 5364641a
Processes
-
C:\Users\Admin\AppData\Local\Temp\ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.exe"C:\Users\Admin\AppData\Local\Temp\ac81db193cc36c51b7fb6f7186973bf665861f7fb2abeb3561fa6547b8d258f3.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:124
-
C:\Windows\Syswow64\5364641aC:\Windows\Syswow64\5364641a1⤵
- 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:4160
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\5364641a
- Size 560KB
- SHA256 986e7458898340756dd9d1097de938ec0b3d3789a2300d9901f09b87c7d8c47f
- MD5 39d1dc2e91bfbe36bf4b7661712df5b0
- SHA1 e2b8587c3ce6bbc03318e1aba80cd9e87061c482
- SHA512 1d67439e9dbb22772d6ade3d8ff4dede8dcf163590c16f624ea58292b8fc16eaaab89aa27c26d37c5c4ca64a2eba418c6f7070c403894be2001bff79339fb28b
- SSDEEP 6144:FWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:FkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T1C5C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH