Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/08/2026, 22:08
Behavioral task
behavioral1
Sample
ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe
- Size 830KB
- Sample260810-12khfavtcx
- SHA256 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b
- MD5 07baf4923c35b59b695d257ab3f8dae3
- SHA1 da914f3032811126e555b1ace81b74025bb46f78
- SHA512 6faa25454a139c9bbd3715d4239fe15fedc6729a716dc2e121cccae2c5528f614eedee11b2dd704d665048474ae274249d460adb850fb8591e4c2f9af5273e02
- SSDEEP 12288:0SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:HvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T11B055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4276 aa85eeca - 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 2692 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe Destination IP 4 223.5.5.5 2692 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe Destination IP 25 114.114.114.114 2692 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe Destination IP 26 223.5.5.5 2692 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData aa85eeca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 aa85eeca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE aa85eeca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache aa85eeca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 aa85eeca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies aa85eeca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft aa85eeca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 aa85eeca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content aa85eeca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 aa85eeca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 aa85eeca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 aa85eeca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 aa85eeca File created C:\Windows\SysWOW64\aa85eeca ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 aa85eeca -
resource yara_rule behavioral2/memory/2692-0-0x00000000007C0000-0x000000000084C000-memory.dmp upx behavioral2/files/0x0009000000016cd6-2.dat upx behavioral2/memory/4276-3-0x0000000000620000-0x00000000006AC000-memory.dmp upx behavioral2/memory/2692-18-0x00000000007C0000-0x000000000084C000-memory.dmp upx behavioral2/memory/4276-19-0x0000000000620000-0x00000000006AC000-memory.dmp upx behavioral2/memory/4276-36-0x0000000000620000-0x00000000006AC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4934e8 aa85eeca File opened for modification C:\Windows\2e1688 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.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 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aa85eeca - 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" aa85eeca Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing aa85eeca Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix aa85eeca Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" aa85eeca Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" aa85eeca Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ aa85eeca Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" aa85eeca Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" aa85eeca Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" aa85eeca - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4276 aa85eeca 4276 aa85eeca 4276 aa85eeca 4276 aa85eeca 4276 aa85eeca 4276 aa85eeca 4276 aa85eeca 4276 aa85eeca 2692 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe 2692 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe 2692 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe 2692 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe 2692 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe 2692 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe 2692 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe 2692 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe 2692 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe 2692 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe 2692 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe 2692 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe 2692 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe 2692 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2692 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe Token: SeTcbPrivilege 2692 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe Token: SeDebugPrivilege 4276 aa85eeca Token: SeTcbPrivilege 4276 aa85eeca
Processes
-
C:\Users\Admin\AppData\Local\Temp\ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe"C:\Users\Admin\AppData\Local\Temp\ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.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:2692
-
C:\Windows\Syswow64\aa85eecaC:\Windows\Syswow64\aa85eeca1⤵
- 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:4276
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\aa85eeca
- Size 830KB
- SHA256 4da215050bae54dd423cdd112539322dc036d6803891662755d5a622aea2691c
- MD5 c1baff8ee44c4fde30c3a07249c2892f
- SHA1 b3145219520d197fee3dd1067c76defa7bf7eb7c
- SHA512 9c56579e8aa23ab8d41645e3ab4a7f7ca77529001bdb934e93a471506da74e402d8b260cac0933523ceb66e814de32b621215d827e8df3de95f8c53f8cdc96a3
- SSDEEP 12288:OSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:tvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T143055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH