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
09/08/2026, 13:52
Behavioral task
behavioral1
Sample
a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe
- Size 576KB
- Sample260809-q6knwsaf95
- SHA256 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6
- MD5 5612051a58f3480533898a98bd5e1f0b
- SHA1 9008f7a081a8d6043a34e723d144aae150dd0433
- SHA512 94968fc9759a7e4529c4d875fe169ea8c67a9b41e5322905f1f88c9923b1f75dc77872d282e8157d208bfe6538a4f2f916fc6a98fc26af7af67c08b577e538e5
- SSDEEP 12288:rqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:rjHPOSOkx2LFscUQPK
- TLSH T182C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5636 422410fa - 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 2388 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe Destination IP 18 114.114.114.114 2388 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe Destination IP 19 223.5.5.5 2388 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe Destination IP 1 114.114.114.114 2388 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 422410fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 422410fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 422410fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 422410fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 422410fa File created C:\Windows\SysWOW64\422410fa a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 422410fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 422410fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 422410fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 422410fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 422410fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 422410fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 422410fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 422410fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 422410fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 422410fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 422410fa -
resource yara_rule behavioral2/memory/2388-0-0x0000000000F60000-0x0000000000FE9000-memory.dmp upx behavioral2/memory/5636-3-0x00000000004E0000-0x0000000000569000-memory.dmp upx behavioral2/files/0x000700000001b853-2.dat upx behavioral2/memory/2388-15-0x0000000000F60000-0x0000000000FE9000-memory.dmp upx behavioral2/memory/5636-17-0x00000000004E0000-0x0000000000569000-memory.dmp upx behavioral2/memory/2388-35-0x0000000000F60000-0x0000000000FE9000-memory.dmp upx behavioral2/memory/5636-36-0x00000000004E0000-0x0000000000569000-memory.dmp upx behavioral2/memory/2388-50-0x0000000000F60000-0x0000000000FE9000-memory.dmp upx behavioral2/memory/2388-56-0x0000000000F60000-0x0000000000FE9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\607d88 422410fa File opened for modification C:\Windows\28e228 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.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 422410fa Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 422410fa Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 422410fa Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 422410fa Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 422410fa Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 422410fa Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 422410fa Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 422410fa Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 422410fa Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 422410fa - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5636 422410fa 5636 422410fa 5636 422410fa 5636 422410fa 5636 422410fa 5636 422410fa 5636 422410fa 5636 422410fa 2388 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe 2388 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe 2388 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe 2388 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe 2388 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe 2388 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe 2388 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe 2388 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe 2388 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe 2388 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe 2388 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe 2388 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe 2388 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe 2388 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2388 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe Token: SeTcbPrivilege 2388 a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe Token: SeDebugPrivilege 5636 422410fa Token: SeTcbPrivilege 5636 422410fa
Processes
-
C:\Users\Admin\AppData\Local\Temp\a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.exe"C:\Users\Admin\AppData\Local\Temp\a6f329baed3df6f9da27ce600d9ffbdd4643c86c1d4daf03fa9ad4ad33ea4af6.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:2388
-
C:\Windows\Syswow64\422410faC:\Windows\Syswow64\422410fa1⤵
- 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:5636
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:3496
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\422410fa
- Size 576KB
- SHA256 3d6f84dcfd80addab50adddeb29eb32e29fc30caf378e89b95fac073661462b3
- MD5 c19cc0a9d1302433c2831324d9f9d7ee
- SHA1 b313ad7e1eb21d4483eeacb5a7caa5a6031b196e
- SHA512 11fea5bc31ab9c32315bb1d73661eff745237f4ca84e0681cd48c751c5c19ec56c40a4d9d1b85610c4e668a2f0f9c8fdb7a8bbe605b20eade3beb5c6e73719a3
- SSDEEP 12288:tqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:tjHPOSOkx2LFscUQPK
- TLSH T12BC47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH