Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
01/08/2026, 17:20
Behavioral task
behavioral1
Sample
f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe
- Size 761KB
- Sample260801-vwtk9styex
- SHA256 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a
- MD5 de39eefc97568c15028ce7b185f21f92
- SHA1 4db0ce7ed76283b568e406942c543cd8b69caa1b
- SHA512 8225895c823f93f6fb3b9ead88d3545f536f9eb79f16e93e8cb4cc4c62f1178caaff77a4a1b5a5817e7938e44faf14180ec38c0d68f2a8c98f48344b17054659
- SSDEEP 12288:wSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:rvO2xJKRw2kOkxSkW298B
- TLSH T111F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3156 9bf22853 - 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 27 223.5.5.5 3544 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe Destination IP 3 114.114.114.114 3544 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe Destination IP 4 223.5.5.5 3544 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe Destination IP 26 114.114.114.114 3544 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\9bf22853 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 9bf22853 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 9bf22853 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 9bf22853 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 9bf22853 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9bf22853 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 9bf22853 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 9bf22853 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 9bf22853 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 9bf22853 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 9bf22853 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9bf22853 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 9bf22853 -
resource yara_rule behavioral1/memory/3544-0-0x00000000004E0000-0x000000000056C000-memory.dmp upx behavioral1/files/0x0013000000024346-2.dat upx behavioral1/memory/3156-4-0x0000000000090000-0x000000000011C000-memory.dmp upx behavioral1/memory/3544-10-0x00000000004E0000-0x000000000056C000-memory.dmp upx behavioral1/memory/3156-11-0x0000000000090000-0x000000000011C000-memory.dmp upx behavioral1/memory/3156-28-0x0000000000090000-0x000000000011C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\360828 9bf22853 File opened for modification C:\Windows\3cacb0 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.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 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9bf22853 - 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:" 9bf22853 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 9bf22853 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 9bf22853 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 9bf22853 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 9bf22853 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 9bf22853 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 9bf22853 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 9bf22853 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 9bf22853 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3156 9bf22853 3156 9bf22853 3156 9bf22853 3156 9bf22853 3156 9bf22853 3156 9bf22853 3156 9bf22853 3156 9bf22853 3544 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe 3544 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe 3544 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe 3544 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe 3544 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe 3544 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3544 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe Token: SeTcbPrivilege 3544 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe Token: SeDebugPrivilege 3156 9bf22853 Token: SeTcbPrivilege 3156 9bf22853
Processes
-
C:\Users\Admin\AppData\Local\Temp\f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe"C:\Users\Admin\AppData\Local\Temp\f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.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:3544
-
C:\Windows\Syswow64\9bf22853C:\Windows\Syswow64\9bf228531⤵
- 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:3156
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\9bf22853
- Size 761KB
- SHA256 ef7cbca5fdb69c89590228b014089653a82b1427cc9a056c897d6c6526fc17db
- MD5 d37d6892f865060b325de3e0e2b8a7b6
- SHA1 9b06ed5e15f897c582ec4ee23143af363591e195
- SHA512 800a63b2694dd025a5e4a27546bc6637df8c79a78c09f812ffe53f6153dc5f4c9e27e0cf0d1476727c43b13e14c137457d0f1ec20fff645c2919fc01c6e7093d
- SSDEEP 12288:kSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:XvO2xJKRw2kOkxSkW298B
- TLSH T105F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH