Analysis
- max time kernel
149s - 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
07/08/2026, 14:36
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe
- Size 615KB
- Sample260807-ryjx3afm7x
- SHA256 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48
- MD5 6f85a5cf9ff4fbbe667e7fdf89a3305b
- SHA1 37ef8a4cb01b8afdd426ea0e8c34f5705fff2800
- SHA512 14c997fec33b74bc9eea83c6686597d48d57c1c5438eff588d2a76096914c88be769cbfcc76b38fc22c5375eea3a40430bab857e0bb70ac76d258220d72358f7
- SSDEEP 12288:QSvO2x9mONvKRILSFnOkx2LIax5FAQjU/Liw:LvO2xJKRI2FOkx2LFicUV
- TLSH T1FED44A31E241C03AD4A74576C6FA0BAFE5647D25531165CBA3C43A2A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4036 b40c31b6 - 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 4876 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe Destination IP 4 223.5.5.5 4876 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe Destination IP 12 114.114.114.114 4876 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe Destination IP 13 223.5.5.5 4876 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b40c31b6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b40c31b6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b40c31b6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b40c31b6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b40c31b6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b40c31b6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b40c31b6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b40c31b6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b40c31b6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b40c31b6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b40c31b6 File created C:\Windows\SysWOW64\b40c31b6 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b40c31b6 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\451908 b40c31b6 File opened for modification C:\Windows\537a98 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.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 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b40c31b6 - 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\Cookies\CachePrefix = "Cookie:" b40c31b6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b40c31b6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b40c31b6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b40c31b6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b40c31b6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b40c31b6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b40c31b6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b40c31b6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b40c31b6 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4036 b40c31b6 4036 b40c31b6 4036 b40c31b6 4036 b40c31b6 4036 b40c31b6 4036 b40c31b6 4036 b40c31b6 4036 b40c31b6 4876 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe 4876 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe 4876 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe 4876 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe 4876 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe 4876 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe 4876 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe 4876 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe 4876 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe 4876 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe 4876 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe 4876 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe 4876 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe 4876 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4876 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe Token: SeTcbPrivilege 4876 6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe Token: SeDebugPrivilege 4036 b40c31b6 Token: SeTcbPrivilege 4036 b40c31b6
Processes
-
C:\Users\Admin\AppData\Local\Temp\6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.exe"C:\Users\Admin\AppData\Local\Temp\6ff5d7216330451c0042c9384a38a89000800f1e35c2741ee3eed02c85c52e48.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:4876
-
C:\Windows\Syswow64\b40c31b6C:\Windows\Syswow64\b40c31b61⤵
- 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:4036
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b40c31b6
- Size 615KB
- SHA256 f9ee58a893b2c3c1c27822a27a0c9c9ed758f18c859bc7d9609014d59164e935
- MD5 922fd8dac4e67b6eb6b723cc7e80b1b9
- SHA1 8679e8c49f1f7e5bef160209aa525f0ddd342fc6
- SHA512 2dce15e1e51d88e5e7967e99f4d995b93d5724da4874db978ed8727c2311e3efbc88d7f58adb1cef857954745e8ef7e5adc84e6bf1c790b13d77f73e377bf1a8
- SSDEEP 12288:DSvO2x9mONvKRILSFnOkx2LIax5FAQjU/Liw:2vO2xJKRI2FOkx2LFicUV
- TLSH T1AAD44A31E241C03AD4A74576C6FA0BAFE5647D25531165CBA3C43A2A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH