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
31/08/2026, 12:25
Behavioral task
behavioral1
Sample
408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe
- Size 560KB
- Sample260831-plv4fst1bx
- SHA256 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da
- MD5 8f0fb20e0e775ce1d06cc16e767496fb
- SHA1 fb490a178c3a5df1e8a0986ee5630343a7a3dfc7
- SHA512 5b04920d614a4f279ce0cc5ebb5efa4e930904bd91ee31d464e8c3b91aaae4e3bce40dd45e0cba453be2755a42a2521f01173ec109ced28b6f8f9a1780803096
- SSDEEP 6144:vUJJuV1cdhIoA7vJ0CLoCgvDLe4AmFvirGcEOkCybEaQRuy8K:vYsVOdhElvkCgvDLe4usOkxHy
- TLSH T183C48D29B6D0C036C5B39574C4A186BAEAB17432372549CFA3D5475A0F337E2BA7930E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1432 3ad1405a - 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 4 223.5.5.5 1916 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe Destination IP 15 114.114.114.114 1916 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe Destination IP 16 223.5.5.5 1916 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe Destination IP 1 114.114.114.114 1916 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3ad1405a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3ad1405a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3ad1405a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 3ad1405a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3ad1405a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3ad1405a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3ad1405a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3ad1405a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3ad1405a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3ad1405a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3ad1405a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3ad1405a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3ad1405a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 3ad1405a File created C:\Windows\SysWOW64\3ad1405a 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3ad1405a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3ad1405a -
resource yara_rule behavioral2/memory/1916-0-0x0000000000FE0000-0x000000000106C000-memory.dmp upx behavioral2/files/0x000a000000019cc9-2.dat upx behavioral2/memory/1432-3-0x0000000000150000-0x00000000001DC000-memory.dmp upx behavioral2/memory/1916-15-0x0000000000FE0000-0x000000000106C000-memory.dmp upx behavioral2/memory/1432-16-0x0000000000150000-0x00000000001DC000-memory.dmp upx behavioral2/memory/1432-35-0x0000000000150000-0x00000000001DC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\188430 3ad1405a File opened for modification C:\Windows\20cd78 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.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 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3ad1405a - 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" 3ad1405a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3ad1405a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3ad1405a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3ad1405a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3ad1405a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3ad1405a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3ad1405a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3ad1405a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3ad1405a - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1432 3ad1405a 1432 3ad1405a 1432 3ad1405a 1432 3ad1405a 1432 3ad1405a 1432 3ad1405a 1432 3ad1405a 1432 3ad1405a 1916 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe 1916 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe 1916 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe 1916 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe 1916 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe 1916 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe 1916 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe 1916 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe 1916 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe 1916 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe 1916 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe 1916 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe 1916 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe 1916 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1916 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe Token: SeTcbPrivilege 1916 408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe Token: SeDebugPrivilege 1432 3ad1405a Token: SeTcbPrivilege 1432 3ad1405a
Processes
-
C:\Users\Admin\AppData\Local\Temp\408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.exe"C:\Users\Admin\AppData\Local\Temp\408b35cb2298044c8cb31b54e55630f20512a7589fb9fe14396fddb6c90335da.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:1916
-
C:\Windows\Syswow64\3ad1405aC:\Windows\Syswow64\3ad1405a1⤵
- 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:1432
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3ad1405a
- Size 560KB
- SHA256 a89ffe7ab2a7d09cfe4aa08386017e13a4d39bcf58a25d64e3c443ecc3015a43
- MD5 15677e30cb12fc4f69041b2ffbd35328
- SHA1 27234de8a0cb637d7a577f034d2950d04065f7e3
- SHA512 92baf3170b54e949f3d379396afa5f6d310c0a808770876d9f9f0b28ac6d1220abbb798c3b31edf2b7c97c8a9d94d350644711a72a9edfbe96c2dc9b3fda9f7b
- SSDEEP 6144:HUJJuV1cdhIoA7vJ0CLoCgvDLe4AmFvirGcEOkCybEaQRuy8K:HYsVOdhElvkCgvDLe4usOkxHy
- TLSH T11EC48D29B6D0C036C5B39574C4A186BAEAB17432372549CFA3D5475A0F337E2BA7930E
- MD5 SHA1 SHA512 SSDEEP TLSH