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
27/05/2026, 13:42
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
40c04cd71d34826e6438c81ba925c74b36e7e091177e3840ea20a4ee840f3656.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
40c04cd71d34826e6438c81ba925c74b36e7e091177e3840ea20a4ee840f3656.exe
Resource
win11-20260513-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target 40c04cd71d34826e6438c81ba925c74b36e7e091177e3840ea20a4ee840f3656.exe
- Size 395KB
- Sample260527-qzse6agy6v
- SHA256 40c04cd71d34826e6438c81ba925c74b36e7e091177e3840ea20a4ee840f3656
- MD5 9c99bfa488bb994f9cef568189502a0c
- SHA1 3118c7af75c1e1cc78a1454a17e03ed82c280cf1
- SHA512 d35809a231d701ae898964069efccdc0e64d933679d2fd13914b136a13dd1b305eca038d79992bb5cae343dab4fe4188fffbec0bd5123cad727effd99b028546
- SSDEEP 6144:hcbcTgav1cdCTuoPbgwmOLJvKRILSFvdFDcEOkCybEaQRXr9HNdvOa:hCSvO2x9mONvKRILSFnOkx2LIa
- TLSH T19B846D2AB6A0D076C4B79579C4A247BAFBB1742137204ACFA390475A1F637E2BD3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3764 5b8aecbc - 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 2 223.5.5.5 2344 40c04cd71d34826e6438c81ba925c74b36e7e091177e3840ea20a4ee840f3656.exe Destination IP 10 114.114.114.114 2344 40c04cd71d34826e6438c81ba925c74b36e7e091177e3840ea20a4ee840f3656.exe Destination IP 11 223.5.5.5 2344 40c04cd71d34826e6438c81ba925c74b36e7e091177e3840ea20a4ee840f3656.exe Destination IP 1 114.114.114.114 2344 40c04cd71d34826e6438c81ba925c74b36e7e091177e3840ea20a4ee840f3656.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 5b8aecbc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 5b8aecbc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 5b8aecbc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 5b8aecbc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5b8aecbc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 5b8aecbc File created C:\Windows\SysWOW64\5b8aecbc 40c04cd71d34826e6438c81ba925c74b36e7e091177e3840ea20a4ee840f3656.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 5b8aecbc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 5b8aecbc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 5b8aecbc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 5b8aecbc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5b8aecbc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 5b8aecbc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 5b8aecbc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 5b8aecbc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 5b8aecbc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 5b8aecbc - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\282150 40c04cd71d34826e6438c81ba925c74b36e7e091177e3840ea20a4ee840f3656.exe File opened for modification C:\Windows\4070e8 5b8aecbc - 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 40c04cd71d34826e6438c81ba925c74b36e7e091177e3840ea20a4ee840f3656.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5b8aecbc - 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\History\CachePrefix = "Visited:" 5b8aecbc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 5b8aecbc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 5b8aecbc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 5b8aecbc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 5b8aecbc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 5b8aecbc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 5b8aecbc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 5b8aecbc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 5b8aecbc - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3764 5b8aecbc 3764 5b8aecbc 3764 5b8aecbc 3764 5b8aecbc 3764 5b8aecbc 3764 5b8aecbc 3764 5b8aecbc 3764 5b8aecbc 2344 40c04cd71d34826e6438c81ba925c74b36e7e091177e3840ea20a4ee840f3656.exe 2344 40c04cd71d34826e6438c81ba925c74b36e7e091177e3840ea20a4ee840f3656.exe 2344 40c04cd71d34826e6438c81ba925c74b36e7e091177e3840ea20a4ee840f3656.exe 2344 40c04cd71d34826e6438c81ba925c74b36e7e091177e3840ea20a4ee840f3656.exe 2344 40c04cd71d34826e6438c81ba925c74b36e7e091177e3840ea20a4ee840f3656.exe 2344 40c04cd71d34826e6438c81ba925c74b36e7e091177e3840ea20a4ee840f3656.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2344 40c04cd71d34826e6438c81ba925c74b36e7e091177e3840ea20a4ee840f3656.exe Token: SeTcbPrivilege 2344 40c04cd71d34826e6438c81ba925c74b36e7e091177e3840ea20a4ee840f3656.exe Token: SeDebugPrivilege 3764 5b8aecbc Token: SeTcbPrivilege 3764 5b8aecbc
Processes
-
C:\Users\Admin\AppData\Local\Temp\40c04cd71d34826e6438c81ba925c74b36e7e091177e3840ea20a4ee840f3656.exe"C:\Users\Admin\AppData\Local\Temp\40c04cd71d34826e6438c81ba925c74b36e7e091177e3840ea20a4ee840f3656.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:2344
-
C:\Windows\Syswow64\5b8aecbcC:\Windows\Syswow64\5b8aecbc1⤵
- 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:3764
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\5b8aecbc
- Size 395KB
- SHA256 a562bf5123034540d633e8a1813fdabab59280eea6cf6f3b50e514f3b5e92c2a
- MD5 07c71d3b28fe19be59f70255bdc01a9e
- SHA1 a17fcbb6ee6e79c635a1cb5d9d1414cd8ba840a1
- SHA512 29519248a41ac5af86e11ce53981dbc1ec339ec0c03a06f6f0ddbabec035e61796ec4f1ac723c38878cea4010c82c62ef08f3b57c7669708facd1fd796868400
- SSDEEP 6144:ncbcTgav1cdCTuoPbgwmOLJvKRILSFvdFDcEOkCybEaQRXr9HNdvOa:nCSvO2x9mONvKRILSFnOkx2LIa
- TLSH T1E2846D2AB6A0D076C4B79579C4A247BAFBB1742137204ACFA390475A1F637E2BD3530D
- MD5 SHA1 SHA512 SSDEEP TLSH