Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-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 2796 9cf022fa - 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 2 223.5.5.5 1020 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe Destination IP 8 114.114.114.114 1020 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe Destination IP 9 223.5.5.5 1020 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe Destination IP 1 114.114.114.114 1020 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 9cf022fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 9cf022fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 9cf022fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 9cf022fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 9cf022fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 9cf022fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 9cf022fa File created C:\Windows\SysWOW64\9cf022fa f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 9cf022fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 9cf022fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9cf022fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9cf022fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 9cf022fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 9cf022fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 9cf022fa -
resource yara_rule behavioral2/memory/1020-0-0x00000000000E0000-0x000000000016C000-memory.dmp upx behavioral2/files/0x000c000000019c8f-2.dat upx behavioral2/memory/2796-3-0x0000000000060000-0x00000000000EC000-memory.dmp upx behavioral2/memory/1020-10-0x00000000000E0000-0x000000000016C000-memory.dmp upx behavioral2/memory/2796-11-0x0000000000060000-0x00000000000EC000-memory.dmp upx behavioral2/memory/2796-31-0x0000000000060000-0x00000000000EC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2fde58 9cf022fa File opened for modification C:\Windows\117678 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 9cf022fa - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 9cf022fa Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 9cf022fa Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 9cf022fa Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 9cf022fa Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 9cf022fa Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 9cf022fa Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 9cf022fa Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 9cf022fa Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 9cf022fa - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2796 9cf022fa 2796 9cf022fa 2796 9cf022fa 2796 9cf022fa 2796 9cf022fa 2796 9cf022fa 2796 9cf022fa 2796 9cf022fa 1020 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe 1020 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe 1020 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe 1020 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe 1020 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe 1020 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe 1020 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe 1020 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe 1020 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe 1020 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe 1020 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe 1020 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe 1020 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe 1020 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1020 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe Token: SeTcbPrivilege 1020 f16df315fad8b780700c5622064c147ad58b5e69cd35847c44aef1c860617c7a.exe Token: SeDebugPrivilege 2796 9cf022fa Token: SeTcbPrivilege 2796 9cf022fa
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:1020
-
C:\Windows\Syswow64\9cf022faC:\Windows\Syswow64\9cf022fa1⤵
- 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:2796
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\9cf022fa
- Size 761KB
- SHA256 333de15ccac8ff7d1c49564f3ad8c7a1f61d029e6f301977fdac5af98089dbd1
- MD5 68d26ad33a10348b84e8955d346a4a4b
- SHA1 05a1fc2175d31c6c7dbb8d803f9d57b5e347700a
- SHA512 1499a24da418596ee80eb899fc8d6d6171bf5282358863b3008cfa9d43d6fd72c6e033b95c34836eacf03a861f36d3b68cdf0ed5f9024df4de3df50631ef9c9c
- SSDEEP 12288:uSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:NvO2xJKRw2kOkxSkW298B
- TLSH T114F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH