Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
28/05/2026, 16:28
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
4b5b420276033fb9d5b60f8fb0ed957d7f5b8bedcb429f43346b28db7a39bb92.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
4b5b420276033fb9d5b60f8fb0ed957d7f5b8bedcb429f43346b28db7a39bb92.exe
Resource
win11-20260513-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target 4b5b420276033fb9d5b60f8fb0ed957d7f5b8bedcb429f43346b28db7a39bb92.exe
- Size 832KB
- Sample260528-ty1xpaf12x
- SHA256 4b5b420276033fb9d5b60f8fb0ed957d7f5b8bedcb429f43346b28db7a39bb92
- MD5 a89f004cc0cac81fade943a8ca6b555d
- SHA1 9994ea2d1b55d15f9ff7724cc66a5e3669a6adb9
- SHA512 2021dd9ed89051e081cb0d21e1168c016e5bb6a0517d15d6952a33bb39ce235be1e12603bb7e328e589a2a9812dce8dfecc53d95ac79086fe31e36ec2919c1d1
- SSDEEP 12288:XSvO2x9mONvKRILSFnOkx2LIaxy6RJ05FAQjU/LU:ivO2xJKRI2FOkx2LFEAcUY
- TLSH T12A056C22F241C13AD4A7467185FE07ABA674BD10571257CBA3847B2A1FB36D2BE31B0D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4756 65342437 - 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 6 114.114.114.114 956 4b5b420276033fb9d5b60f8fb0ed957d7f5b8bedcb429f43346b28db7a39bb92.exe Destination IP 7 223.5.5.5 956 4b5b420276033fb9d5b60f8fb0ed957d7f5b8bedcb429f43346b28db7a39bb92.exe Destination IP 1 114.114.114.114 956 4b5b420276033fb9d5b60f8fb0ed957d7f5b8bedcb429f43346b28db7a39bb92.exe Destination IP 2 223.5.5.5 956 4b5b420276033fb9d5b60f8fb0ed957d7f5b8bedcb429f43346b28db7a39bb92.exe - Drops file in System32 directory 11 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 65342437 File created C:\Windows\SysWOW64\65342437 4b5b420276033fb9d5b60f8fb0ed957d7f5b8bedcb429f43346b28db7a39bb92.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 65342437 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 65342437 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 65342437 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 65342437 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 65342437 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 65342437 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 65342437 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 65342437 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 65342437 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\516ca8 65342437 File opened for modification C:\Windows\105df8 4b5b420276033fb9d5b60f8fb0ed957d7f5b8bedcb429f43346b28db7a39bb92.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 4b5b420276033fb9d5b60f8fb0ed957d7f5b8bedcb429f43346b28db7a39bb92.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 65342437 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 65342437 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 65342437 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 65342437 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 65342437 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 65342437 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 65342437 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 65342437 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 65342437 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 65342437 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4756 65342437 4756 65342437 4756 65342437 4756 65342437 4756 65342437 4756 65342437 4756 65342437 4756 65342437 956 4b5b420276033fb9d5b60f8fb0ed957d7f5b8bedcb429f43346b28db7a39bb92.exe 956 4b5b420276033fb9d5b60f8fb0ed957d7f5b8bedcb429f43346b28db7a39bb92.exe 956 4b5b420276033fb9d5b60f8fb0ed957d7f5b8bedcb429f43346b28db7a39bb92.exe 956 4b5b420276033fb9d5b60f8fb0ed957d7f5b8bedcb429f43346b28db7a39bb92.exe 956 4b5b420276033fb9d5b60f8fb0ed957d7f5b8bedcb429f43346b28db7a39bb92.exe 956 4b5b420276033fb9d5b60f8fb0ed957d7f5b8bedcb429f43346b28db7a39bb92.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 956 4b5b420276033fb9d5b60f8fb0ed957d7f5b8bedcb429f43346b28db7a39bb92.exe Token: SeTcbPrivilege 956 4b5b420276033fb9d5b60f8fb0ed957d7f5b8bedcb429f43346b28db7a39bb92.exe Token: SeDebugPrivilege 4756 65342437 Token: SeTcbPrivilege 4756 65342437
Processes
-
C:\Users\Admin\AppData\Local\Temp\4b5b420276033fb9d5b60f8fb0ed957d7f5b8bedcb429f43346b28db7a39bb92.exe"C:\Users\Admin\AppData\Local\Temp\4b5b420276033fb9d5b60f8fb0ed957d7f5b8bedcb429f43346b28db7a39bb92.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:956
-
C:\Windows\Syswow64\65342437C:\Windows\Syswow64\653424371⤵
- 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:4756
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\65342437
- Size 832KB
- SHA256 2ec7f8cc5ea6dcdca6b4be71ddaa082e2b0d64a0c26e72a035c63f0eb630e54f
- MD5 7834c1ae706c11c34733e5b948ec8f52
- SHA1 33faad7e458029344c0fb43529656499752ccbba
- SHA512 891deaa0f532de2b0bc432a714a2324bf1fcb5c03f79f08014ac966e6f7b14c155552f440005c8069ab29c5424077b846fb454b9214421ff91e44c3250f97157
- SSDEEP 12288:KSvO2x9mONvKRILSFnOkx2LIaxy6RJ05FAQjU/LU:RvO2xJKRI2FOkx2LFEAcUY
- TLSH T111056C22F241C13AD4A7467185FE07ABA674BD10571257CBA3847B2A1FB36D2BE31B0D
- MD5 SHA1 SHA512 SSDEEP TLSH