Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/07/2026, 20:18
Behavioral task
behavioral1
Sample
f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe
- Size 761KB
- Sample260722-y3ebpstgpg
- SHA256 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db
- MD5 c390106881e8f179a6bf48aacfcfaeb1
- SHA1 87003a00265449d45b1a452e6a0a8432a9c62064
- SHA512 a72cd6e09340018b081e7a44e3bd72e9a1baa3bd6094f7f2618b5a099d72c81bc63ce11fab9c772d35fdf422b9aef6faaf0ac76de33a00732e0631ef3ec70855
- SSDEEP 12288:FSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:kvO2xJKRw2kOkxSkW298B
- TLSH T1B4F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5016 b1e9714 - 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 11 114.114.114.114 4120 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe Destination IP 12 223.5.5.5 4120 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe Destination IP 1 114.114.114.114 4120 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe Destination IP 2 223.5.5.5 4120 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b1e9714 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b1e9714 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b1e9714 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b1e9714 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b1e9714 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b1e9714 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b1e9714 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b1e9714 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b1e9714 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b1e9714 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b1e9714 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b1e9714 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 b1e9714 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 b1e9714 File created C:\Windows\SysWOW64\b1e9714 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b1e9714 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b1e9714 -
resource yara_rule behavioral2/memory/4120-0-0x0000000000F40000-0x0000000000FCC000-memory.dmp upx behavioral2/files/0x000b000000011377-2.dat upx behavioral2/memory/5016-3-0x0000000000BC0000-0x0000000000C4C000-memory.dmp upx behavioral2/memory/4120-10-0x0000000000F40000-0x0000000000FCC000-memory.dmp upx behavioral2/memory/5016-11-0x0000000000BC0000-0x0000000000C4C000-memory.dmp upx behavioral2/memory/5016-37-0x0000000000BC0000-0x0000000000C4C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\468930 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe File opened for modification C:\Windows\55e030 b1e9714 - 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 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1e9714 - 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 b1e9714 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b1e9714 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b1e9714 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b1e9714 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b1e9714 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b1e9714 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b1e9714 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b1e9714 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b1e9714 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5016 b1e9714 5016 b1e9714 5016 b1e9714 5016 b1e9714 5016 b1e9714 5016 b1e9714 5016 b1e9714 5016 b1e9714 4120 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe 4120 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe 4120 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe 4120 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe 4120 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe 4120 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe 4120 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe 4120 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe 4120 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe 4120 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe 4120 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe 4120 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe 4120 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe 4120 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4120 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe Token: SeTcbPrivilege 4120 f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe Token: SeDebugPrivilege 5016 b1e9714 Token: SeTcbPrivilege 5016 b1e9714
Processes
-
C:\Users\Admin\AppData\Local\Temp\f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.exe"C:\Users\Admin\AppData\Local\Temp\f79bf832236c0f82c833dd620c140e6a04f872a440afb9c838d5cb10545127db.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:4120
-
C:\Windows\Syswow64\b1e9714C:\Windows\Syswow64\b1e97141⤵
- 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:5016
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b1e9714
- Size 761KB
- SHA256 8409a4a0568137b3ba15acbf3873ec3d91c1bc4727ad8d81c11138d66c54e479
- MD5 59a0350a9253bedc1d9247b32f2d2b5d
- SHA1 d3eadb78c2eb8cf33cc58ff6b3e73d9eee3968ae
- SHA512 a1c5f62c6deb6f7b0886b4e81d7b2e649aa74278798a5cfb28bc11c34763e0e6211366a610e0f2ac5d60d3b0dbaf51088cc2114acf14a87c77fdc748667d6871
- SSDEEP 12288:JSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:wvO2xJKRw2kOkxSkW298B
- TLSH T146F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH