Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/07/2026, 19:09
Behavioral task
behavioral1
Sample
da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe
- Size 873KB
- Sample260722-xt8zaaba97
- SHA256 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21
- MD5 7cb8673bdd54882605e11a577053221b
- SHA1 9c8ae75c0a74f1211b4489903716c7873a54e77c
- SHA512 55e7d683e34cdb4ebe86d8888f484ea8fc728b1cca968bc1de7f5dee018b0d03a353f21f19324730413fcaa86f319e3d099631837edde404f3aa024f51dbbc4c
- SSDEEP 12288:bSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:uvO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T1B9156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4316 8d5637d7 - 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 4960 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe Destination IP 3 223.5.5.5 4960 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe Destination IP 33 114.114.114.114 4960 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe Destination IP 34 223.5.5.5 4960 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 8d5637d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 8d5637d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 8d5637d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 8d5637d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 8d5637d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 8d5637d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 8d5637d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8d5637d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8d5637d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 8d5637d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 8d5637d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 8d5637d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8d5637d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8d5637d7 File created C:\Windows\SysWOW64\8d5637d7 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe -
resource yara_rule behavioral2/memory/4960-0-0x0000000000370000-0x00000000003FC000-memory.dmp upx behavioral2/files/0x000700000001b853-2.dat upx behavioral2/memory/4316-3-0x0000000000DA0000-0x0000000000E2C000-memory.dmp upx behavioral2/memory/4960-18-0x0000000000370000-0x00000000003FC000-memory.dmp upx behavioral2/memory/4316-19-0x0000000000DA0000-0x0000000000E2C000-memory.dmp upx behavioral2/memory/4316-34-0x0000000000DA0000-0x0000000000E2C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\49e438 8d5637d7 File opened for modification C:\Windows\54eac0 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.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 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8d5637d7 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 8d5637d7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 8d5637d7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 8d5637d7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 8d5637d7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 8d5637d7 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 8d5637d7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 8d5637d7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 8d5637d7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 8d5637d7 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4316 8d5637d7 4316 8d5637d7 4316 8d5637d7 4316 8d5637d7 4316 8d5637d7 4316 8d5637d7 4316 8d5637d7 4316 8d5637d7 4960 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe 4960 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe 4960 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe 4960 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe 4960 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe 4960 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe 4960 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe 4960 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe 4960 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe 4960 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe 4960 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe 4960 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe 4960 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe 4960 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4960 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe Token: SeTcbPrivilege 4960 da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe Token: SeDebugPrivilege 4316 8d5637d7 Token: SeTcbPrivilege 4316 8d5637d7
Processes
-
C:\Users\Admin\AppData\Local\Temp\da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.exe"C:\Users\Admin\AppData\Local\Temp\da618888f7fa93c061eb8ad505e4726afa0cf6ce3a1bf6b1f408e2dcaf3feb21.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:4960
-
C:\Windows\Syswow64\8d5637d7C:\Windows\Syswow64\8d5637d71⤵
- 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:4316
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\8d5637d7
- Size 873KB
- SHA256 963f603572aacc398581a71b949aa0a021c27945a8d729c5fd62a947fa45f4ff
- MD5 0ae264efa7517082689f24994601c191
- SHA1 da05e60c10ab6c95f75c1a91c7e35ec4a7cd7ffb
- SHA512 2462e05bd197469d0ad3e220856f5daa0995b0470ab013761c04bf4f77208f71539001680cd645092403b4f6d6f21543a598c47953efd8c428ef33ea12fe9a5d
- SSDEEP 12288:ASvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:bvO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T1C9156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH