Analysis
- max time kernel
150s - 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
18/07/2026, 20:43
Behavioral task
behavioral1
Sample
ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe
- Size 2.5MB
- Sample260718-zhst2act2m
- SHA256 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9
- MD5 7d53bb8082119ba40c93beb465b3538c
- SHA1 15802034e9eb429671a8b7acaaba05c0c8417f9d
- SHA512 9e17f87daf0b3f411d85e51cebca8d65a881beb1196b5ef01a32db329c77b47405dede814f3367d7a9711195715812fe916bcbd6dcfac257b6fbceffd6300d3c
- SSDEEP 49152:mHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:mnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T156C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 6028 2de2a908 - 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 14 223.5.5.5 2716 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe Destination IP 1 114.114.114.114 2716 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe Destination IP 3 223.5.5.5 2716 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe Destination IP 13 114.114.114.114 2716 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 2de2a908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 2de2a908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 2de2a908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 2de2a908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 2de2a908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 2de2a908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 2de2a908 File created C:\Windows\SysWOW64\2de2a908 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 2de2a908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 2de2a908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 2de2a908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 2de2a908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 2de2a908 -
resource yara_rule behavioral2/memory/2716-0-0x0000000000800000-0x000000000088C000-memory.dmp upx behavioral2/memory/6028-3-0x00000000006C0000-0x000000000074C000-memory.dmp upx behavioral2/files/0x0008000000019cc1-4.dat upx behavioral2/memory/2716-10-0x0000000000800000-0x000000000088C000-memory.dmp upx behavioral2/memory/6028-11-0x00000000006C0000-0x000000000074C000-memory.dmp upx behavioral2/memory/6028-34-0x00000000006C0000-0x000000000074C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\673398 2de2a908 File opened for modification C:\Windows\2e7fb8 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.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 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2de2a908 - 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" 2de2a908 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2de2a908 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 2de2a908 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2de2a908 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2de2a908 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 2de2a908 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 2de2a908 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 2de2a908 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2de2a908 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 2de2a908 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 2de2a908 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 6028 2de2a908 6028 2de2a908 6028 2de2a908 6028 2de2a908 6028 2de2a908 6028 2de2a908 6028 2de2a908 6028 2de2a908 2716 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe 2716 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe 2716 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe 2716 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe 2716 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe 2716 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe 2716 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe 2716 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe 2716 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe 2716 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe 2716 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe 2716 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe 2716 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe 2716 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2716 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe Token: SeTcbPrivilege 2716 ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe Token: SeDebugPrivilege 6028 2de2a908 Token: SeTcbPrivilege 6028 2de2a908
Processes
-
C:\Users\Admin\AppData\Local\Temp\ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.exe"C:\Users\Admin\AppData\Local\Temp\ef21dfd8917faf73c7da827f551b52273822f50d20c2f62a7dafb6811a3ae1a9.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:2716
-
C:\Windows\Syswow64\2de2a908C:\Windows\Syswow64\2de2a9081⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:6028
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\2de2a908
- Size 2.5MB
- SHA256 f21e8ec0d07790f8e958956b37bc723d569233a99662ecd331eb4c937e58e65f
- MD5 5daa421eb19e1c0d98eb3134f4719e4e
- SHA1 7468f6c7be23f67f95222e15258dddee6553c92f
- SHA512 dbfc6c66707c412ecb4f43d8e67344b51f4eb344ef967182217485449b56dce7c83bbbc3c4ee91b6335aa77f47ad500128a35cc026e9de65dc2873978b445611
- SSDEEP 49152:bHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:bnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T19DC58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH