Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/07/2026, 20:16
Behavioral task
behavioral1
Sample
8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.exe
- Size 761KB
- Sample260707-y2maxsdx2v
- SHA256 8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3
- MD5 26774a5c1dda353ea279260498366575
- SHA1 d08fc34e2e969f7515d21c29c8737b0e12ed0b4e
- SHA512 27a974ff823cfab4686dc83852c8e28c5a54735b1d083295ab3c842727110029355a25d4e6f73279a17933706ed4f177b235e523f84a0f4ea21db19c409ac018
- SSDEEP 12288:kSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:XvO2xJKRw2kOkxSkW298B
- TLSH T14CF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4128 6f9afcc8 - Unexpected DNS network traffic destination 8 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 49 114.114.114.114 4604 8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.exe Destination IP 50 223.5.5.5 4604 8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.exe Destination IP 87 114.114.114.114 4604 8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.exe Destination IP 88 223.5.5.5 4604 8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.exe Destination IP 1 114.114.114.114 4604 8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.exe Destination IP 2 223.5.5.5 4604 8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.exe Destination IP 36 114.114.114.114 4604 8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.exe Destination IP 37 223.5.5.5 4604 8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6f9afcc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 6f9afcc8 File created C:\Windows\SysWOW64\6f9afcc8 8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 6f9afcc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 6f9afcc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 6f9afcc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6f9afcc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 6f9afcc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 6f9afcc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 6f9afcc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 6f9afcc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6f9afcc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 6f9afcc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 6f9afcc8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6f9afcc8 -
resource yara_rule behavioral2/memory/4604-0-0x0000000000890000-0x000000000091C000-memory.dmp upx behavioral2/files/0x00090000000007a0-2.dat upx behavioral2/memory/4128-3-0x00000000005F0000-0x000000000067C000-memory.dmp upx behavioral2/memory/4604-18-0x0000000000890000-0x000000000091C000-memory.dmp upx behavioral2/memory/4128-19-0x00000000005F0000-0x000000000067C000-memory.dmp upx behavioral2/memory/4128-32-0x00000000005F0000-0x000000000067C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\46ac40 6f9afcc8 File opened for modification C:\Windows\4ed278 8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.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 8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6f9afcc8 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 6f9afcc8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 6f9afcc8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 6f9afcc8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 6f9afcc8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 6f9afcc8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 6f9afcc8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 6f9afcc8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 6f9afcc8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 6f9afcc8 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4128 6f9afcc8 4128 6f9afcc8 4128 6f9afcc8 4128 6f9afcc8 4128 6f9afcc8 4128 6f9afcc8 4128 6f9afcc8 4128 6f9afcc8 4604 8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.exe 4604 8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.exe 4604 8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.exe 4604 8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.exe 4604 8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.exe 4604 8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4604 8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.exe Token: SeTcbPrivilege 4604 8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.exe Token: SeDebugPrivilege 4128 6f9afcc8 Token: SeTcbPrivilege 4128 6f9afcc8
Processes
-
C:\Users\Admin\AppData\Local\Temp\8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.exe"C:\Users\Admin\AppData\Local\Temp\8ca3b0d1622685c0ac4f5e9c0be2d910ec2ee2a1a932f6eb72f495c5ee3211b3.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:4604
-
C:\Windows\Syswow64\6f9afcc8C:\Windows\Syswow64\6f9afcc81⤵
- 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:4128
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\6f9afcc8
- Size 761KB
- SHA256 dfb5e3202f1a0c2da5645a957920730c2bfa6912d169a5727c02d03c3fb89523
- MD5 60f56130b93dca9d86097a18ed2cbf05
- SHA1 b35e8b199c295d127d61cc29ca95ee9a99d6e080
- SHA512 dad045d4b216f7c49fc068694191982449f7acd165b35fadf6180bc34966151d549fb210577d3781d29efd419674f26d7ae4459a7954fbf3634b9f3f97082e54
- SSDEEP 12288:aSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:BvO2xJKRw2kOkxSkW298B
- TLSH T10BF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH