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
15/08/2026, 22:25
Behavioral task
behavioral1
Sample
bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe
- Size 761KB
- Sample260815-2cd5ssvbmg
- SHA256 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad
- MD5 90a6460038fb214eaba2951a95723198
- SHA1 fb32012e19a13b3df1a01b37d3d1fdecc65a0dc0
- SHA512 492319c6b236fc6e94d609f310e667c852ca08612afe3d1736d91aa9870e5ed2502b68bbd4cf5a49d91f69b9c5162efce81a2cd1d9fa2f740136e9d64b161090
- SSDEEP 12288:LSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:+vO2xJKRw2kOkxSkW298B
- TLSH T16DF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2260 3344419e - 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 3 114.114.114.114 4512 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe Destination IP 5 223.5.5.5 4512 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe Destination IP 17 114.114.114.114 4512 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe Destination IP 18 223.5.5.5 4512 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.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\Content.IE5 3344419e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3344419e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3344419e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3344419e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3344419e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3344419e File created C:\Windows\SysWOW64\3344419e bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3344419e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 3344419e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3344419e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3344419e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 3344419e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3344419e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3344419e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3344419e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3344419e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3344419e -
resource yara_rule behavioral2/memory/4512-0-0x0000000000AF0000-0x0000000000B7C000-memory.dmp upx behavioral2/memory/2260-4-0x0000000000B50000-0x0000000000BDC000-memory.dmp upx behavioral2/files/0x0008000000019ce0-3.dat upx behavioral2/memory/4512-15-0x0000000000AF0000-0x0000000000B7C000-memory.dmp upx behavioral2/memory/2260-16-0x0000000000B50000-0x0000000000BDC000-memory.dmp upx behavioral2/memory/2260-33-0x0000000000B50000-0x0000000000BDC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4d3f40 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe File opened for modification C:\Windows\26b128 3344419e - 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 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3344419e - 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:" 3344419e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3344419e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3344419e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3344419e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3344419e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3344419e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3344419e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3344419e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3344419e - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2260 3344419e 2260 3344419e 2260 3344419e 2260 3344419e 2260 3344419e 2260 3344419e 2260 3344419e 2260 3344419e 4512 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe 4512 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe 4512 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe 4512 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe 4512 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe 4512 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe 4512 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe 4512 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe 4512 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe 4512 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe 4512 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe 4512 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe 4512 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe 4512 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4512 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe Token: SeTcbPrivilege 4512 bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe Token: SeDebugPrivilege 2260 3344419e Token: SeTcbPrivilege 2260 3344419e
Processes
-
C:\Users\Admin\AppData\Local\Temp\bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.exe"C:\Users\Admin\AppData\Local\Temp\bfc8809d5ed27fc96c794f904c808fbb9022ecfbd53e41b25041ffc71ba954ad.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:4512
-
C:\Windows\Syswow64\3344419eC:\Windows\Syswow64\3344419e1⤵
- 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:2260
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3344419e
- Size 761KB
- SHA256 753772571a419abeeb36d0e7f96dd916a49fc6dfbb4949e345c46c265b08575f
- MD5 57fdfe8ce2b8dbcab29a8a3a3701b990
- SHA1 5d93785a4062e9062fdb23fc77f93b88facabe0d
- SHA512 a4b03a8488476eb2e0ed0c2eb35dd734c8d7763f7e64131f2f3c9eb0cab2618e1b70da1b3ddcce223e6495e132213d36f5c333ce25ab4daa7f409c54b9911057
- SSDEEP 12288:jSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:WvO2xJKRw2kOkxSkW298B
- TLSH T110F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH