Analysis
- max time kernel
148s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
16/07/2026, 02:21
Behavioral task
behavioral1
Sample
b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe
- Size 560KB
- Sample260716-ctfbraex2x
- SHA256 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e
- MD5 17a380b3de5cb7f4b69a5af03dbde86b
- SHA1 c0d7c67660b05e5a2d34ad884a7494e81cc862f6
- SHA512 6590c4976f4d76ab9d31e38dd500c32957ae0806ae9e8a7979f2f92be591d46f4f6e52d31fa4c7564c21e63da20908cfaa7c68ae144a7f65bd3fb5c901fe930b
- SSDEEP 6144:/4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:/rNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T1B0C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2756 1780a21f - 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 24 223.5.5.5 1944 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe Destination IP 1 114.114.114.114 1944 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe Destination IP 2 223.5.5.5 1944 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe Destination IP 23 114.114.114.114 1944 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1780a21f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 1780a21f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1780a21f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1780a21f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1780a21f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 1780a21f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1780a21f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1780a21f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1780a21f File created C:\Windows\SysWOW64\1780a21f b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1780a21f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1780a21f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1780a21f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1780a21f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1780a21f -
resource yara_rule behavioral2/memory/1944-0-0x00000000003A0000-0x000000000042C000-memory.dmp upx behavioral2/files/0x000f00000001b87e-4.dat upx behavioral2/memory/2756-3-0x0000000000E90000-0x0000000000F1C000-memory.dmp upx behavioral2/memory/1944-18-0x00000000003A0000-0x000000000042C000-memory.dmp upx behavioral2/memory/2756-19-0x0000000000E90000-0x0000000000F1C000-memory.dmp upx behavioral2/memory/2756-28-0x0000000000E90000-0x0000000000F1C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2f2f08 1780a21f File opened for modification C:\Windows\214830 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.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 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1780a21f - 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:" 1780a21f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1780a21f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1780a21f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1780a21f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 1780a21f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1780a21f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1780a21f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1780a21f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1780a21f - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2756 1780a21f 2756 1780a21f 2756 1780a21f 2756 1780a21f 2756 1780a21f 2756 1780a21f 2756 1780a21f 2756 1780a21f 1944 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe 1944 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe 1944 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe 1944 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe 1944 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe 1944 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe 1944 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe 1944 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe 1944 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe 1944 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe 1944 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe 1944 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe 1944 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe 1944 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1944 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe Token: SeTcbPrivilege 1944 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe Token: SeDebugPrivilege 2756 1780a21f Token: SeTcbPrivilege 2756 1780a21f
Processes
-
C:\Users\Admin\AppData\Local\Temp\b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe"C:\Users\Admin\AppData\Local\Temp\b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.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:1944
-
C:\Windows\Syswow64\1780a21fC:\Windows\Syswow64\1780a21f1⤵
- 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:2756
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\1780a21f
- Size 560KB
- SHA256 841efdbe610c5d36ab93c0defa5934186a124b018af18fb1ce64ef6730591f6a
- MD5 ea2a0f5b529bd0b6c2810573789cdc33
- SHA1 f51960beb218493a1d450367e394b3e1feb626b0
- SHA512 183645b958626c914081c5757d496fbda0b45cd304dc1cccbb847cb4be0c54ea65afd4b7cb7d6fd47110e62030292ed599af10435b2fea90e8726bf67cc6199c
- SSDEEP 6144:Y4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:YrNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T1EAC48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH