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
27/07/2026, 19:17
Behavioral task
behavioral1
Sample
f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe
- Size 618KB
- Sample260727-xzbwqscp21
- SHA256 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6
- MD5 f0092d099096bbca6a93bebcea3ec823
- SHA1 13cb25bd0089b25934ccca97438d2fa60f81de4a
- SHA512 5befd4abf966d7882c940ad9fcb7dcfab4ad44c9b22c1f71bf780c8a371372bafebec54b2e9a53068eeb82ade55e06a1f3e5f4e1abd1fdcd7851ffdd8a1f303a
- SSDEEP 12288:zqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:zjHPOSOkx2LFscUQPxW
- TLSH T1FFD47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2856 a4159f0a - 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 5804 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe Destination IP 18 114.114.114.114 5804 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe Destination IP 19 223.5.5.5 5804 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe Destination IP 1 114.114.114.114 5804 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a4159f0a File created C:\Windows\SysWOW64\a4159f0a f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a4159f0a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a4159f0a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a4159f0a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a4159f0a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 a4159f0a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a4159f0a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a4159f0a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a4159f0a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a4159f0a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a4159f0a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a4159f0a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a4159f0a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 a4159f0a -
resource yara_rule behavioral2/memory/5804-0-0x0000000000050000-0x00000000000D9000-memory.dmp upx behavioral2/files/0x000a000000011390-2.dat upx behavioral2/memory/2856-3-0x0000000000CB0000-0x0000000000D39000-memory.dmp upx behavioral2/memory/5804-10-0x0000000000050000-0x00000000000D9000-memory.dmp upx behavioral2/memory/2856-12-0x0000000000CB0000-0x0000000000D39000-memory.dmp upx behavioral2/memory/5804-33-0x0000000000050000-0x00000000000D9000-memory.dmp upx behavioral2/memory/2856-34-0x0000000000CB0000-0x0000000000D39000-memory.dmp upx behavioral2/memory/2856-40-0x0000000000CB0000-0x0000000000D39000-memory.dmp upx behavioral2/memory/5804-44-0x0000000000050000-0x00000000000D9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\30e550 a4159f0a File opened for modification C:\Windows\635dd8 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.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 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a4159f0a - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a4159f0a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a4159f0a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a4159f0a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a4159f0a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a4159f0a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix a4159f0a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" a4159f0a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a4159f0a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a4159f0a - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2856 a4159f0a 2856 a4159f0a 2856 a4159f0a 2856 a4159f0a 2856 a4159f0a 2856 a4159f0a 2856 a4159f0a 2856 a4159f0a 5804 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe 5804 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe 5804 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe 5804 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe 5804 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe 5804 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe 5804 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe 5804 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe 5804 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe 5804 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe 5804 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe 5804 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe 5804 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe 5804 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5804 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe Token: SeTcbPrivilege 5804 f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe Token: SeDebugPrivilege 2856 a4159f0a Token: SeTcbPrivilege 2856 a4159f0a
Processes
-
C:\Users\Admin\AppData\Local\Temp\f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.exe"C:\Users\Admin\AppData\Local\Temp\f810bc6d56924e870600e3dad31a87403cdffd21557e11b552649f713032f3f6.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:5804
-
C:\Windows\Syswow64\a4159f0aC:\Windows\Syswow64\a4159f0a1⤵
- 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:2856
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\a4159f0a
- Size 618KB
- SHA256 4cf8609c022cce9aac5bbb6f9acb22a4664f49e2dd9dbef22bd92c09c3f7dd4f
- MD5 9835de784eda85d8d85b37bd385044f7
- SHA1 cccaa6e3c418969882dd99b84f6eb582a8c65fb8
- SHA512 9da1434932d105309c3e6e8abcefa00db358a73d1f2b691bcfabb17c4156ea8968cc9c9de78467e758a656f057280ac5524d2a907720e5d27df09119f2282624
- SSDEEP 12288:+qXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:+jHPOSOkx2LFscUQPxW
- TLSH T10AD47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH