Analysis
- max time kernel
149s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 08:44
Behavioral task
behavioral1
Sample
a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe
- Size 525KB
- Sample260804-km5bas1xaz
- SHA256 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4
- MD5 63e735fc3240c3eb6a89d009acbfbaaa
- SHA1 deec5267650378e3f0a601b5d68f2db80e41019a
- SHA512 a66b94bd0a82e691952a5649590b378e2095903140a5bad924c74ff5ec8b11e5e4351b515038b0e97788a0fcb765d1cb9db402c2cf2be3ae2a60387736e5f10f
- SSDEEP 6144:AcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:ASvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T1F0B47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3160 62e8dc8 - 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 4376 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe Destination IP 2 223.5.5.5 4376 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe Destination IP 14 114.114.114.114 4376 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe Destination IP 15 223.5.5.5 4376 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.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\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 62e8dc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 62e8dc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 62e8dc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 62e8dc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 62e8dc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 62e8dc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 62e8dc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 62e8dc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 62e8dc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 62e8dc8 File created C:\Windows\SysWOW64\62e8dc8 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 62e8dc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 62e8dc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 62e8dc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 62e8dc8 -
resource yara_rule behavioral2/memory/4376-0-0x0000000000490000-0x000000000051C000-memory.dmp upx behavioral2/files/0x00070000000187d5-2.dat upx behavioral2/memory/3160-4-0x00000000006B0000-0x000000000073C000-memory.dmp upx behavioral2/memory/4376-18-0x0000000000490000-0x000000000051C000-memory.dmp upx behavioral2/memory/3160-19-0x00000000006B0000-0x000000000073C000-memory.dmp upx behavioral2/memory/3160-31-0x00000000006B0000-0x000000000073C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3619b0 62e8dc8 File opened for modification C:\Windows\4aeb30 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.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 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 62e8dc8 - 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" 62e8dc8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 62e8dc8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 62e8dc8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 62e8dc8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 62e8dc8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 62e8dc8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 62e8dc8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 62e8dc8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 62e8dc8 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3160 62e8dc8 3160 62e8dc8 3160 62e8dc8 3160 62e8dc8 3160 62e8dc8 3160 62e8dc8 3160 62e8dc8 3160 62e8dc8 4376 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe 4376 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe 4376 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe 4376 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe 4376 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe 4376 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe 4376 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe 4376 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe 4376 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe 4376 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe 4376 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe 4376 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe 4376 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe 4376 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4376 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe Token: SeTcbPrivilege 4376 a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe Token: SeDebugPrivilege 3160 62e8dc8 Token: SeTcbPrivilege 3160 62e8dc8
Processes
-
C:\Users\Admin\AppData\Local\Temp\a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.exe"C:\Users\Admin\AppData\Local\Temp\a6f9c9042e68f1a7d9c7eb192f61ec2ddd0899ec0dc737d3328484c6c27d6fc4.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:4376
-
C:\Windows\Syswow64\62e8dc8C:\Windows\Syswow64\62e8dc81⤵
- 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:3160
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\62e8dc8
- Size 525KB
- SHA256 5a8ae9c205363d459a75d2bf442fcab34ccb4ac674d4e6b550d74116b9246ca2
- MD5 f8f631fde1dac4998bc77a9b5853ac5b
- SHA1 8e18c23d81a6ce1a711aa6dfe2923373ceb6f1c9
- SHA512 b573b754f6fd66200ec2f4c086e609691ccbd492a5cc5929ebd80967411768857ab6b9e5dc7e3c2057191cc6b0bab2e7e892fa9b69cd267d051d07396c7d6502
- SSDEEP 6144:icTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:iSvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T1BAB47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH