Analysis
- max time kernel
149s - 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
27/07/2026, 20:27
Behavioral task
behavioral1
Sample
925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe
- Size 560KB
- Sample260727-y8rh8a1yev
- SHA256 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231
- MD5 29229207f9dbbf589af7f96b15c9b7de
- SHA1 5b688529357634b979a1f0a611cff952060f88a8
- SHA512 50035b6db1e4d18c284bbd06f7d7485243eb81ba931cab428faea9354cae6dbc4e5f9e87871bef6373e2904d8dc92749dd6d5c94a0cb36a930fdaff1cfb09548
- SSDEEP 6144:ugye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:uI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T147C48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4212 3cf1f3a6 - 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 3 114.114.114.114 4368 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe Destination IP 5 223.5.5.5 4368 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe Destination IP 29 114.114.114.114 4368 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe Destination IP 30 223.5.5.5 4368 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.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 3cf1f3a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3cf1f3a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3cf1f3a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3cf1f3a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3cf1f3a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3cf1f3a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3cf1f3a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3cf1f3a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3cf1f3a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 3cf1f3a6 File created C:\Windows\SysWOW64\3cf1f3a6 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3cf1f3a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3cf1f3a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3cf1f3a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 3cf1f3a6 -
resource yara_rule behavioral2/memory/4368-0-0x0000000000D20000-0x0000000000DAC000-memory.dmp upx behavioral2/files/0x000d00000001b87d-2.dat upx behavioral2/memory/4212-3-0x00000000007B0000-0x000000000083C000-memory.dmp upx behavioral2/memory/4368-13-0x0000000000D20000-0x0000000000DAC000-memory.dmp upx behavioral2/memory/4212-14-0x00000000007B0000-0x000000000083C000-memory.dmp upx behavioral2/memory/4212-36-0x00000000007B0000-0x000000000083C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\481c68 3cf1f3a6 File opened for modification C:\Windows\4ac820 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.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 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3cf1f3a6 - 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\History\CachePrefix = "Visited:" 3cf1f3a6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3cf1f3a6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3cf1f3a6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3cf1f3a6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3cf1f3a6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3cf1f3a6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3cf1f3a6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3cf1f3a6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3cf1f3a6 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4212 3cf1f3a6 4212 3cf1f3a6 4212 3cf1f3a6 4212 3cf1f3a6 4212 3cf1f3a6 4212 3cf1f3a6 4212 3cf1f3a6 4212 3cf1f3a6 4368 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe 4368 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe 4368 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe 4368 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe 4368 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe 4368 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe 4368 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe 4368 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe 4368 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe 4368 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe 4368 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe 4368 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe 4368 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe 4368 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4368 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe Token: SeTcbPrivilege 4368 925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe Token: SeDebugPrivilege 4212 3cf1f3a6 Token: SeTcbPrivilege 4212 3cf1f3a6
Processes
-
C:\Users\Admin\AppData\Local\Temp\925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.exe"C:\Users\Admin\AppData\Local\Temp\925bff147d70b6616d42df8b2bca92f3d421d3703396a55878cf470acfda0231.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:4368
-
C:\Windows\Syswow64\3cf1f3a6C:\Windows\Syswow64\3cf1f3a61⤵
- 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:4212
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3cf1f3a6
- Size 560KB
- SHA256 4e46ec46a898c290a0bd34408880c931aba53fb83a404cf270d8eaa10dce0842
- MD5 87ee41149ebf7d302ada9de7d9491fd6
- SHA1 7a40b203c7371b6438f486473f4c9100d6bb7447
- SHA512 273c121509b468ed845a01ad8d2b974ae57e073815946be471ffec58d1b6ebbb85cb6b9a9299501ab0d9ab7fd876b7d33bfda033bde159c67d011924b62e817c
- SSDEEP 6144:dgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:dI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T143C48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA7D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH