Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
24/08/2026, 20:26
Behavioral task
behavioral1
Sample
bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe
- Size 560KB
- Sample260824-y8a68starh
- SHA256 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f
- MD5 0dc1ca867af3228f5d909e14c6ea57cc
- SHA1 c423f6cfed8a8f033c73622008264a7fde6dec52
- SHA512 78ec3081739994e0b3b76b6da96ad6325291426d67947a136408822dda3b10a011dc450540399860cfc74745edd20a560245ed0b8552e29419d95f2a5100eec0
- SSDEEP 6144:+4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:+rNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T1B6C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4964 c341287a - 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 1468 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe Destination IP 3 223.5.5.5 1468 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe Destination IP 17 114.114.114.114 1468 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe Destination IP 18 223.5.5.5 1468 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.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\IE c341287a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c341287a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c341287a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c341287a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C c341287a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c341287a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c341287a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c341287a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c341287a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c341287a File created C:\Windows\SysWOW64\c341287a bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c341287a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c341287a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c341287a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C c341287a -
resource yara_rule behavioral2/memory/1468-0-0x0000000000280000-0x000000000030C000-memory.dmp upx behavioral2/memory/4964-3-0x0000000000950000-0x00000000009DC000-memory.dmp upx behavioral2/files/0x000b000000011377-2.dat upx behavioral2/memory/1468-13-0x0000000000280000-0x000000000030C000-memory.dmp upx behavioral2/memory/4964-14-0x0000000000950000-0x00000000009DC000-memory.dmp upx behavioral2/memory/4964-34-0x0000000000950000-0x00000000009DC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\54fc48 c341287a File opened for modification C:\Windows\1921f8 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.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 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c341287a - 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 c341287a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c341287a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c341287a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c341287a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c341287a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c341287a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c341287a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c341287a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c341287a - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4964 c341287a 4964 c341287a 4964 c341287a 4964 c341287a 4964 c341287a 4964 c341287a 4964 c341287a 4964 c341287a 1468 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe 1468 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe 1468 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe 1468 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe 1468 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe 1468 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe 1468 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe 1468 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe 1468 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe 1468 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe 1468 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe 1468 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe 1468 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe 1468 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1468 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe Token: SeTcbPrivilege 1468 bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe Token: SeDebugPrivilege 4964 c341287a Token: SeTcbPrivilege 4964 c341287a
Processes
-
C:\Users\Admin\AppData\Local\Temp\bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.exe"C:\Users\Admin\AppData\Local\Temp\bd637da6e09c342c3f87a583b674dc8c796f27668e8de80c5b13a4a9ad28088f.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:1468
-
C:\Windows\Syswow64\c341287aC:\Windows\Syswow64\c341287a1⤵
- 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:4964
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c341287a
- Size 560KB
- SHA256 b653cd6c4b590ddde398fc8caafe8e26b1e03e476c5b6262057d497650b69b86
- MD5 5f87b5bbe78438ee10055f0c4a98a6db
- SHA1 4a575cdfd0bbd37435b91a13037b1a3524bb558a
- SHA512 d7711cf8517ce8e06d293f1fbe87f9d052a9ab784366e04512daa585a267fab8c910b3d33002a518bc9dbcb1f0f99ab5f9de53243557b910d42646b2af5b5b16
- SSDEEP 6144:a4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:arNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T189C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH