Analysis
- max time kernel
150s - 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
09/08/2026, 19:50
Behavioral task
behavioral1
Sample
f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe
- Size 1.4MB
- Sample260809-yke6aavcrd
- SHA256 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9
- MD5 2ad99df45a29a1257b2272e99dc94763
- SHA1 78aff9fe498aa4d2f9ef00bcc85ccdd69e78cae8
- SHA512 fcacb4c0b834ceca098b5c233af8b4d58cb664c6d8a0254e5b2692dbfe1010af7a0dbd97deb8ec4f8f3b7d60e26b99c2fc269f32cf684e8ba89f3fac936e20d4
- SSDEEP 24576:XjHPOSOkx2LFscUQPxuZ98Es8k3OH3C0rQ6+8pKJJFo3Q+qdCOKIbA0I:XTGkQy5QZuTtS0rQMYOQ+q8CE0I
- TLSH T1AE65AE21B341C036D59A01758ABE4BAE957CBD314B2551C7B3C87E7E6FB12D2AA3130B
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5772 3f22b1 - 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 13 223.5.5.5 4132 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe Destination IP 1 114.114.114.114 4132 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe Destination IP 4 223.5.5.5 4132 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe Destination IP 12 114.114.114.114 4132 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe - Drops file in System32 directory 11 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3f22b1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 3f22b1 File created C:\Windows\SysWOW64\3f22b1 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3f22b1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3f22b1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 3f22b1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3f22b1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3f22b1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3f22b1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3f22b1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3f22b1 -
resource yara_rule behavioral2/memory/4132-0-0x0000000000960000-0x00000000009E9000-memory.dmp upx behavioral2/files/0x0007000000016cf1-2.dat upx behavioral2/memory/5772-3-0x0000000000A60000-0x0000000000AE9000-memory.dmp upx behavioral2/memory/4132-10-0x0000000000960000-0x00000000009E9000-memory.dmp upx behavioral2/memory/5772-12-0x0000000000A60000-0x0000000000AE9000-memory.dmp upx behavioral2/memory/4132-28-0x0000000000960000-0x00000000009E9000-memory.dmp upx behavioral2/memory/5772-29-0x0000000000A60000-0x0000000000AE9000-memory.dmp upx behavioral2/memory/5772-31-0x0000000000A60000-0x0000000000AE9000-memory.dmp upx behavioral2/memory/4132-48-0x0000000000960000-0x00000000009E9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\62d198 3f22b1 File opened for modification C:\Windows\46bdc8 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.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 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3f22b1 - 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\Content\CachePrefix 3f22b1 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3f22b1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3f22b1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3f22b1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3f22b1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3f22b1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3f22b1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3f22b1 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3f22b1 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 3f22b1 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 3f22b1 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5772 3f22b1 5772 3f22b1 5772 3f22b1 5772 3f22b1 5772 3f22b1 5772 3f22b1 5772 3f22b1 5772 3f22b1 4132 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe 4132 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe 4132 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe 4132 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe 4132 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe 4132 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe 4132 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe 4132 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe 4132 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe 4132 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe 4132 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe 4132 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe 4132 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe 4132 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4132 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe Token: SeTcbPrivilege 4132 f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe Token: SeDebugPrivilege 5772 3f22b1 Token: SeTcbPrivilege 5772 3f22b1
Processes
-
C:\Users\Admin\AppData\Local\Temp\f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.exe"C:\Users\Admin\AppData\Local\Temp\f28ccbc26360e9c7bb80df99646b03abc4a8e85c35ac42ab8f2c70cb43d5a7e9.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:4132
-
C:\Windows\Syswow64\3f22b1C:\Windows\Syswow64\3f22b11⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5772
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\3f22b1
- Size 1.4MB
- SHA256 2b1b3de9cf5b9dbcfe9fe047caec0161406e4dde58bd5fb2384be40ac528d28b
- MD5 218a502d7d234d366d002103c624ee03
- SHA1 b444a06c4c412465e9c83a7ef341e59a21e2798a
- SHA512 153d88efc03177f890a0632d1a76c84ae5ae35f57f3414974ec7f4ecf7e24677fbd7bcd780d3b7a16741f0f59b21d518da1114b77342bc35e66573aad487ccd2
- SSDEEP 24576:2jHPOSOkx2LFscUQPxuZ98Es8k3OH3C0rQ6+8pKJJFo3Q+qdCOKIbA0I:2TGkQy5QZuTtS0rQMYOQ+q8CE0I
- TLSH T1D965AE21B341C036D59A01758ABE4BAE957CBD314B2551C7B3C87E7E6FB12D2AA3130B
- MD5 SHA1 SHA512 SSDEEP TLSH