Analysis
- max time kernel
150s - max time network
154s - 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, 20:30
Behavioral task
behavioral1
Sample
73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe
- Size 873KB
- Sample260727-y99fes1cpg
- SHA256 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642
- MD5 5fd998576e589d926ab11de6bc929ed8
- SHA1 e75be88d35df89e9bcad0a5c3c85a435a0f10e58
- SHA512 94ca30868507eee163b40250a1dcfae5e80027a951e7f033a23adaa9d8270eea1ecf4a3efccbc103c9a7d394cd9ac55a9203adbebbc355897d63682a02830572
- SSDEEP 12288:QSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:LvO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T10B156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3992 854851eb - 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 3 114.114.114.114 1816 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe Destination IP 5 223.5.5.5 1816 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe Destination IP 17 114.114.114.114 1816 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe Destination IP 18 223.5.5.5 1816 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe - Drops file in System32 directory 19 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 854851eb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 854851eb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 854851eb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 854851eb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 854851eb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 854851eb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 854851eb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 854851eb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 854851eb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 854851eb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 854851eb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 854851eb File created C:\Windows\SysWOW64\854851eb 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 854851eb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 854851eb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 854851eb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 854851eb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 854851eb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 854851eb -
resource yara_rule behavioral2/memory/1816-0-0x0000000000380000-0x000000000040C000-memory.dmp upx behavioral2/files/0x0010000000016ccb-2.dat upx behavioral2/memory/3992-3-0x00000000001F0000-0x000000000027C000-memory.dmp upx behavioral2/memory/1816-12-0x0000000000380000-0x000000000040C000-memory.dmp upx behavioral2/memory/3992-13-0x00000000001F0000-0x000000000027C000-memory.dmp upx behavioral2/memory/3992-38-0x00000000001F0000-0x000000000027C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\445830 854851eb File opened for modification C:\Windows\1f1730 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.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 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 854851eb - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 854851eb Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 854851eb Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 854851eb Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 854851eb Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 854851eb Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 854851eb Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 854851eb Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 854851eb Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 854851eb - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3992 854851eb 3992 854851eb 3992 854851eb 3992 854851eb 3992 854851eb 3992 854851eb 3992 854851eb 3992 854851eb 1816 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe 1816 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe 1816 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe 1816 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe 1816 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe 1816 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe 1816 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe 1816 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe 1816 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe 1816 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe 1816 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe 1816 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe 1816 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe 1816 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1816 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe Token: SeTcbPrivilege 1816 73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe Token: SeDebugPrivilege 3992 854851eb Token: SeTcbPrivilege 3992 854851eb
Processes
-
C:\Users\Admin\AppData\Local\Temp\73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.exe"C:\Users\Admin\AppData\Local\Temp\73d8b398ea2909a5c4c1fd802bdf5afb074cb070363e15a93fd905e7db45c642.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:1816
-
C:\Windows\Syswow64\854851ebC:\Windows\Syswow64\854851eb1⤵
- 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:3992
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\854851eb
- Size 873KB
- SHA256 cd5290a37888e8235feb10eef7c2737ee87be12e0ae76d80133b833e44f075da
- MD5 900e38d5b3a2fe9afc6630983cf7c792
- SHA1 2d25a3ba768cfbf3e81eafa90632e424f1066322
- SHA512 9d2e159cecba4cd702cd9ce5244cd0d545e56596a98ceb79ca482035d01d04f57dad3583e8f21e2fbd44e2762d6041ad86f6f4fa7463431e8bbae28a96565415
- SSDEEP 12288:FSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:kvO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T191156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH