Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 23:08
Behavioral task
behavioral1
Sample
8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe
- Size 2.5MB
- Sample260809-24jvcser9x
- SHA256 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf
- MD5 911cec0ddb0d45fb168c597c13827e2b
- SHA1 285b00b7e154beebe68e8699e8a165e873542c9c
- SHA512 dd2631cf1d0b86e8abc77b6d9303bc9400b09e15cbe46160d74c656c3ad6d2c32e2d8ebd58d45c05a551a3d3555642753f7744a9d10727aa0a8c1f65306e6fe3
- SSDEEP 49152:7HHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:7nKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T150C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 828 314200c5 - Unexpected DNS network traffic destination 4 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 3340 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe Destination IP 2 223.5.5.5 3340 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe Destination IP 17 114.114.114.114 3340 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe Destination IP 18 223.5.5.5 3340 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 314200c5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 314200c5 File created C:\Windows\SysWOW64\314200c5 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 314200c5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 314200c5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 314200c5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 314200c5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 314200c5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 314200c5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 314200c5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 314200c5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 314200c5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 314200c5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 314200c5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 314200c5 -
resource yara_rule behavioral2/memory/3340-0-0x00000000000D0000-0x000000000015C000-memory.dmp upx behavioral2/files/0x000700000001b884-2.dat upx behavioral2/memory/828-3-0x0000000000760000-0x00000000007EC000-memory.dmp upx behavioral2/memory/3340-12-0x00000000000D0000-0x000000000015C000-memory.dmp upx behavioral2/memory/828-13-0x0000000000760000-0x00000000007EC000-memory.dmp upx behavioral2/memory/828-27-0x0000000000760000-0x00000000007EC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\e2cf8 314200c5 File opened for modification C:\Windows\392e98 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.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 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 314200c5 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 314200c5 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 314200c5 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 314200c5 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 314200c5 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 314200c5 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 314200c5 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 314200c5 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 314200c5 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 314200c5 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 828 314200c5 828 314200c5 828 314200c5 828 314200c5 828 314200c5 828 314200c5 828 314200c5 828 314200c5 3340 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe 3340 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe 3340 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe 3340 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe 3340 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe 3340 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe 3340 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe 3340 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe 3340 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe 3340 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe 3340 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe 3340 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe 3340 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe 3340 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3340 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe Token: SeTcbPrivilege 3340 8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe Token: SeDebugPrivilege 828 314200c5 Token: SeTcbPrivilege 828 314200c5
Processes
-
C:\Users\Admin\AppData\Local\Temp\8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe"C:\Users\Admin\AppData\Local\Temp\8ac52351bd38a9444ab77bbb70afbadbd91e97c04bc7ff114c0b97e30164a0cf.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3340
-
C:\Windows\Syswow64\314200c5C:\Windows\Syswow64\314200c51⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:828
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\314200c5
- Size 2.5MB
- SHA256 3b16b627f5f928d485e8cae8b6a5eb093cee6c10c924b023d0abee2f3b73fe25
- MD5 8912b92b5d431e33b30fd7aeb40f34f0
- SHA1 aeeeb83b2d0848cfdd9d8441a83bf1a1e6720eb0
- SHA512 61f8122086bc85f171601d1676ca677f934ca8190144dd1eb74855bf8a0c495a1bc2082979e162d249ed19a26c483a43d098c36c230dcc536d084e8e405916d8
- SSDEEP 49152:3HHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:3nKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T11CC58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH