Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
11/08/2026, 04:32
Behavioral task
behavioral1
Sample
8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe
- Size 576KB
- Sample260811-e6ayxawbnd
- SHA256 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf
- MD5 d7a36dd293b2c5e6f20342a0afff7d05
- SHA1 ced7f284e45e47b9d77e77a0c0ec873108b9d425
- SHA512 a54ad71eeb359cc9460c4dac2ceab09595a074d06c8bd6385aca93f6b321648cb5e35fab9bb1e546bf48b0fc0c7ccc7feabc9dbb972a770d3c9083d93d0114fa
- SSDEEP 12288:EqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:EjHPOSOkx2LFscUQPK
- TLSH T1B5C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 552 aa599393 - 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 1 114.114.114.114 3772 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe Destination IP 4 223.5.5.5 3772 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe Destination IP 11 114.114.114.114 3772 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe Destination IP 12 223.5.5.5 3772 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe - Drops file in System32 directory 11 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 aa599393 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft aa599393 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache aa599393 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 aa599393 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE aa599393 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies aa599393 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData aa599393 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 aa599393 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content aa599393 File created C:\Windows\SysWOW64\aa599393 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 aa599393 -
resource yara_rule behavioral2/memory/3772-0-0x0000000000330000-0x00000000003B9000-memory.dmp upx behavioral2/files/0x000d00000001b890-2.dat upx behavioral2/memory/552-4-0x0000000000630000-0x00000000006B9000-memory.dmp upx behavioral2/memory/3772-10-0x0000000000330000-0x00000000003B9000-memory.dmp upx behavioral2/memory/552-12-0x0000000000630000-0x00000000006B9000-memory.dmp upx behavioral2/memory/3772-25-0x0000000000330000-0x00000000003B9000-memory.dmp upx behavioral2/memory/552-26-0x0000000000630000-0x00000000006B9000-memory.dmp upx behavioral2/memory/3772-43-0x0000000000330000-0x00000000003B9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\97350 aa599393 File opened for modification C:\Windows\4093f8 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.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 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aa599393 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" aa599393 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" aa599393 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix aa599393 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" aa599393 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ aa599393 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" aa599393 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" aa599393 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing aa599393 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" aa599393 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 552 aa599393 552 aa599393 552 aa599393 552 aa599393 552 aa599393 552 aa599393 552 aa599393 552 aa599393 3772 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe 3772 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe 3772 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe 3772 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe 3772 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe 3772 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe 3772 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe 3772 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe 3772 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe 3772 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe 3772 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe 3772 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe 3772 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe 3772 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3772 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe Token: SeTcbPrivilege 3772 8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe Token: SeDebugPrivilege 552 aa599393 Token: SeTcbPrivilege 552 aa599393
Processes
-
C:\Users\Admin\AppData\Local\Temp\8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.exe"C:\Users\Admin\AppData\Local\Temp\8fe33d643d88b43165b10bdfad4e17c2f382834b22caf62bf55f432522dcb0bf.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:3772
-
C:\Windows\Syswow64\aa599393C:\Windows\Syswow64\aa5993931⤵
- 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:552
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\aa599393
- Size 576KB
- SHA256 7f5d03e683355a4210d073bfa65df6c7f29a02d41a31edf7ffabbceaf320997f
- MD5 1f57457df2bda49538b7ec574b01b7c7
- SHA1 561dede31cc653a288c09227c85403d0a8382c48
- SHA512 68a9c6fcd168f4d4532a82cc1c0e11b405db5bf60f2b6c38d64298e82fec6186b9b37aa42e1f6ceb851884a9570c8e8eaed75595c02889a2597c5ad201ec4921
- SSDEEP 12288:IqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:IjHPOSOkx2LFscUQPK
- TLSH T1BAC47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH