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
04/08/2026, 00:41
Behavioral task
behavioral1
Sample
8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe
- Size 576KB
- Sample260804-a2a1wsab96
- SHA256 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc
- MD5 d21262518fd18d115e2ef6930f3f4bfc
- SHA1 f0f1248cef9ff7f0d8cb237d421d2cff5a580eb4
- SHA512 a84d9df3af3c5646a2153c4c64ff6b0b742070e81ffbf32696c3dc5c7c52ce91440938b6f60823e286c5c0e84c72546445556a836b93f4578be5f8c66ca0d4d4
- SSDEEP 6144:zcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:zSvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T191C46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4996 4704f064 - 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 2764 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe Destination IP 4 223.5.5.5 2764 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe Destination IP 14 114.114.114.114 2764 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe Destination IP 15 223.5.5.5 2764 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4704f064 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4704f064 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 4704f064 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4704f064 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4704f064 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 4704f064 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 4704f064 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4704f064 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4704f064 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4704f064 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4704f064 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4704f064 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 4704f064 File created C:\Windows\SysWOW64\4704f064 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4704f064 -
resource yara_rule behavioral2/memory/2764-0-0x0000000000210000-0x000000000029C000-memory.dmp upx behavioral2/files/0x000b000000016cdf-2.dat upx behavioral2/memory/4996-3-0x0000000000B80000-0x0000000000C0C000-memory.dmp upx behavioral2/memory/2764-10-0x0000000000210000-0x000000000029C000-memory.dmp upx behavioral2/memory/4996-11-0x0000000000B80000-0x0000000000C0C000-memory.dmp upx behavioral2/memory/4996-33-0x0000000000B80000-0x0000000000C0C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\558888 4704f064 File opened for modification C:\Windows\2f5218 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.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 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4704f064 - 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 4704f064 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4704f064 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4704f064 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4704f064 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4704f064 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4704f064 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4704f064 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4704f064 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4704f064 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4996 4704f064 4996 4704f064 4996 4704f064 4996 4704f064 4996 4704f064 4996 4704f064 4996 4704f064 4996 4704f064 2764 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe 2764 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe 2764 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe 2764 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe 2764 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe 2764 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe 2764 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe 2764 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe 2764 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe 2764 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe 2764 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe 2764 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe 2764 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe 2764 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2764 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe Token: SeTcbPrivilege 2764 8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe Token: SeDebugPrivilege 4996 4704f064 Token: SeTcbPrivilege 4996 4704f064
Processes
-
C:\Users\Admin\AppData\Local\Temp\8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.exe"C:\Users\Admin\AppData\Local\Temp\8337eb43063d7567755551f738b5ca246900cf6abd8b369cb9e86d47714ffcbc.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:2764
-
C:\Windows\Syswow64\4704f064C:\Windows\Syswow64\4704f0641⤵
- 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:4996
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4704f064
- Size 576KB
- SHA256 8ddfb26de84a718786fcc98ea95bf30e153dcc81060770fe1b847b4fc21ce987
- MD5 6eaa8ef35c9245724a5400ff2460bb98
- SHA1 ceed719114ae31d19c0a260827da84e64ea52d83
- SHA512 93144ebdaed4f5eb9759b29fc9fcba7ebfc09a1c51289fd9d8578cb797f5d03c0d1f3258fa4fd86e1b1fe5496ea94f0c1c1e03723b83a74ed68fcef03508cf3b
- SSDEEP 6144:vcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:vSvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T135C46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH