Analysis
- max time kernel
148s - 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
16/08/2026, 10:51
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe
- Size 615KB
- Sample260816-mxvkyshp4v
- SHA256 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc
- MD5 626d7b1cdd285b6afbf459151adf3e68
- SHA1 5d01152d33aa934ceff3029dd581c200ab1d9e9f
- SHA512 67f98b056cdf3d1d1fc82c0ce43b683adfc00270ea916dc8febdee261e68862f832370d93977cf2cd88577b1a7130471e46f7902fe074bd9ca86ad27a2c94b31
- SSDEEP 12288:4SvO2x9mONvKRILSFnOkx2LIax5FAQjU/Liw:TvO2xJKRI2FOkx2LFicUV
- TLSH T1C6D44A31E241C03AD4A74576C6FA0BAFE5647D25531165CBA3C43A2A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5812 fbdf3ef4 - 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 20 223.5.5.5 2976 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe Destination IP 1 114.114.114.114 2976 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe Destination IP 4 223.5.5.5 2976 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe Destination IP 19 114.114.114.114 2976 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.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\Content.IE5 fbdf3ef4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache fbdf3ef4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies fbdf3ef4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content fbdf3ef4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fbdf3ef4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fbdf3ef4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE fbdf3ef4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft fbdf3ef4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 fbdf3ef4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 fbdf3ef4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fbdf3ef4 File created C:\Windows\SysWOW64\fbdf3ef4 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 fbdf3ef4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData fbdf3ef4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fbdf3ef4 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\6380e8 fbdf3ef4 File opened for modification C:\Windows\32f340 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.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 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fbdf3ef4 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ fbdf3ef4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" fbdf3ef4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" fbdf3ef4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix fbdf3ef4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" fbdf3ef4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" fbdf3ef4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" fbdf3ef4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" fbdf3ef4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing fbdf3ef4 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5812 fbdf3ef4 5812 fbdf3ef4 5812 fbdf3ef4 5812 fbdf3ef4 5812 fbdf3ef4 5812 fbdf3ef4 5812 fbdf3ef4 5812 fbdf3ef4 2976 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe 2976 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe 2976 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe 2976 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe 2976 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe 2976 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe 2976 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe 2976 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe 2976 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe 2976 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe 2976 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe 2976 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe 2976 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe 2976 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2976 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe Token: SeTcbPrivilege 2976 8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe Token: SeDebugPrivilege 5812 fbdf3ef4 Token: SeTcbPrivilege 5812 fbdf3ef4
Processes
-
C:\Users\Admin\AppData\Local\Temp\8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.exe"C:\Users\Admin\AppData\Local\Temp\8c33b47f597c187bf0bbd0e728553aeb444cb7b3c8fe6d1f28dd1f00b10ea5dc.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:2976
-
C:\Windows\Syswow64\fbdf3ef4C:\Windows\Syswow64\fbdf3ef41⤵
- 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:5812
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\fbdf3ef4
- Size 615KB
- SHA256 255637e416bae50c5f53b35f6f3ddfe91109ae088f721ac0ccb78a03219f34a3
- MD5 7512cf1930656db030ae95c1eea9634b
- SHA1 c95811459c8236d1222507a64e9f74e82f3bd28d
- SHA512 76fb59df69ab35a6c2c130179d37aed243bca95584e5da40912c5130b63d4b3f61142af98fe73d96279e9cbbb80a4069377a4ddd8e1ec8ff82fe71c70342484b
- SSDEEP 12288:/SvO2x9mONvKRILSFnOkx2LIax5FAQjU/Liw:KvO2xJKRI2FOkx2LFicUV
- TLSH T163D44A31E241C03AD4A74576C6FA0BAFE5647D25531165CBA3C43A2A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH