Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260630-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260630-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/07/2026, 20:04
Behavioral task
behavioral1
Sample
84457f977be0139f170bbd77b32e0fd87984470b78e3e0925088b6545b67941d.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 84457f977be0139f170bbd77b32e0fd87984470b78e3e0925088b6545b67941d.exe
- Size 1024KB
- Sample260702-ythb1ady9x
- SHA256 84457f977be0139f170bbd77b32e0fd87984470b78e3e0925088b6545b67941d
- MD5 9d55693cdc16c0d9785a9cd2a3bdecb1
- SHA1 1d956496ebc799f926cd2dfd0f470f06274ff94d
- SHA512 07425ff705c2160fa22a7bde2d052b1c67b8304c9ef31a2fdc0ece7632d77e0b1681099f6ef79a76ab60b0b09047e73569982d6771b61afa600dcd9e88155539
- SSDEEP 24576:7jHPOSOkx2LFscUQPxuZ98Es8k3OH3C0rQ6+y:7TGkQy5QZuTtS0rQi
- TLSH T17F259E31E242C03AD5A70172C6BE4BAF95687D25432961C7E3D43D762FB62D2AA3170F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 816 491eb73e - 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 1 114.114.114.114 2188 84457f977be0139f170bbd77b32e0fd87984470b78e3e0925088b6545b67941d.exe Destination IP 2 223.5.5.5 2188 84457f977be0139f170bbd77b32e0fd87984470b78e3e0925088b6545b67941d.exe Destination IP 15 114.114.114.114 2188 84457f977be0139f170bbd77b32e0fd87984470b78e3e0925088b6545b67941d.exe Destination IP 16 223.5.5.5 2188 84457f977be0139f170bbd77b32e0fd87984470b78e3e0925088b6545b67941d.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 491eb73e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 491eb73e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 491eb73e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 491eb73e File created C:\Windows\SysWOW64\491eb73e 84457f977be0139f170bbd77b32e0fd87984470b78e3e0925088b6545b67941d.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 491eb73e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 491eb73e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 491eb73e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 491eb73e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 491eb73e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 491eb73e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 491eb73e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 491eb73e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 491eb73e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 491eb73e -
resource yara_rule behavioral2/memory/2188-0-0x0000000000E60000-0x0000000000EE9000-memory.dmp upx behavioral2/files/0x000b00000001b307-2.dat upx behavioral2/memory/816-3-0x0000000000C70000-0x0000000000CF9000-memory.dmp upx behavioral2/memory/2188-18-0x0000000000E60000-0x0000000000EE9000-memory.dmp upx behavioral2/memory/816-20-0x0000000000C70000-0x0000000000CF9000-memory.dmp upx behavioral2/memory/816-24-0x0000000000C70000-0x0000000000CF9000-memory.dmp upx behavioral2/memory/2188-32-0x0000000000E60000-0x0000000000EE9000-memory.dmp upx behavioral2/memory/816-33-0x0000000000C70000-0x0000000000CF9000-memory.dmp upx behavioral2/memory/2188-44-0x0000000000E60000-0x0000000000EE9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\df860 491eb73e File opened for modification C:\Windows\257598 84457f977be0139f170bbd77b32e0fd87984470b78e3e0925088b6545b67941d.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 84457f977be0139f170bbd77b32e0fd87984470b78e3e0925088b6545b67941d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 491eb73e - 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:" 491eb73e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 491eb73e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 491eb73e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 491eb73e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 491eb73e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 491eb73e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 491eb73e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 491eb73e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 491eb73e - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 816 491eb73e 816 491eb73e 816 491eb73e 816 491eb73e 816 491eb73e 816 491eb73e 816 491eb73e 816 491eb73e 2188 84457f977be0139f170bbd77b32e0fd87984470b78e3e0925088b6545b67941d.exe 2188 84457f977be0139f170bbd77b32e0fd87984470b78e3e0925088b6545b67941d.exe 2188 84457f977be0139f170bbd77b32e0fd87984470b78e3e0925088b6545b67941d.exe 2188 84457f977be0139f170bbd77b32e0fd87984470b78e3e0925088b6545b67941d.exe 2188 84457f977be0139f170bbd77b32e0fd87984470b78e3e0925088b6545b67941d.exe 2188 84457f977be0139f170bbd77b32e0fd87984470b78e3e0925088b6545b67941d.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2188 84457f977be0139f170bbd77b32e0fd87984470b78e3e0925088b6545b67941d.exe Token: SeTcbPrivilege 2188 84457f977be0139f170bbd77b32e0fd87984470b78e3e0925088b6545b67941d.exe Token: SeDebugPrivilege 816 491eb73e Token: SeTcbPrivilege 816 491eb73e
Processes
-
C:\Users\Admin\AppData\Local\Temp\84457f977be0139f170bbd77b32e0fd87984470b78e3e0925088b6545b67941d.exe"C:\Users\Admin\AppData\Local\Temp\84457f977be0139f170bbd77b32e0fd87984470b78e3e0925088b6545b67941d.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:2188
-
C:\Windows\Syswow64\491eb73eC:\Windows\Syswow64\491eb73e1⤵
- 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:816
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\491eb73e
- Size 1024KB
- SHA256 f4392461cc51da044aa863a63d00ecaa1c4ec19e2872697943e1a035eb4cc12d
- MD5 1e7b5b86eab8c3dcc336e8785d3e560f
- SHA1 4df7b78e53c50f2c1b17a003dac84c228de3e958
- SHA512 f568495eccf318571c16d7ea4b59e8592a15bbe2a3bff939713dca563cad4e000edca65e5684c4c42b93e7d50115a05f65799da83071a24f783225418abedf91
- SSDEEP 24576:OjHPOSOkx2LFscUQPxuZ98Es8k3OH3C0rQ6+y:OTGkQy5QZuTtS0rQi
- TLSH T15A259E31E242C03AD5A70172C6BE4BAF95687D25432961C7E3D43D762FB62D2AA3170F
- MD5 SHA1 SHA512 SSDEEP TLSH