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
28/07/2026, 20:03
Behavioral task
behavioral1
Sample
3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe
- Size 873KB
- Sample260728-ysm6vsvcjd
- SHA256 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f
- MD5 4def65f10f75d7c7b38a8575da75ab06
- SHA1 c0e617bb19242ffbfae7693c833376df5d93304a
- SHA512 afe7057317dd8d735455821b23beb3d609e3e462ff30752600ee22782d2dfe640eac919403ef69510456ae3e8c149f3b2cfbc9171edae0cdfb143556b799e60c
- SSDEEP 12288:QSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:LvO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T13D156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4296 3f625ecd - 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 1888 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe Destination IP 4 223.5.5.5 1888 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe Destination IP 21 114.114.114.114 1888 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe Destination IP 22 223.5.5.5 1888 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.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 3f625ecd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3f625ecd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3f625ecd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3f625ecd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3f625ecd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3f625ecd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3f625ecd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3f625ecd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3f625ecd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3f625ecd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3f625ecd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3f625ecd File created C:\Windows\SysWOW64\3f625ecd 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3f625ecd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3f625ecd -
resource yara_rule behavioral2/memory/1888-0-0x0000000000790000-0x000000000081C000-memory.dmp upx behavioral2/files/0x000a00000001b85c-2.dat upx behavioral2/memory/4296-3-0x0000000000710000-0x000000000079C000-memory.dmp upx behavioral2/memory/1888-18-0x0000000000790000-0x000000000081C000-memory.dmp upx behavioral2/memory/4296-19-0x0000000000710000-0x000000000079C000-memory.dmp upx behavioral2/memory/4296-28-0x0000000000710000-0x000000000079C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2052c0 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe File opened for modification C:\Windows\498c90 3f625ecd - 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 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3f625ecd - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3f625ecd Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3f625ecd Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3f625ecd Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3f625ecd Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3f625ecd Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3f625ecd Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3f625ecd Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3f625ecd Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3f625ecd - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4296 3f625ecd 4296 3f625ecd 4296 3f625ecd 4296 3f625ecd 4296 3f625ecd 4296 3f625ecd 4296 3f625ecd 4296 3f625ecd 1888 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe 1888 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe 1888 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe 1888 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe 1888 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe 1888 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe 1888 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe 1888 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe 1888 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe 1888 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe 1888 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe 1888 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe 1888 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe 1888 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1888 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe Token: SeTcbPrivilege 1888 3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe Token: SeDebugPrivilege 4296 3f625ecd Token: SeTcbPrivilege 4296 3f625ecd
Processes
-
C:\Users\Admin\AppData\Local\Temp\3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.exe"C:\Users\Admin\AppData\Local\Temp\3cf076d31e53d78af2b48c8f9d904b473c43800ad17c7309d9b7af860993538f.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:1888
-
C:\Windows\Syswow64\3f625ecdC:\Windows\Syswow64\3f625ecd1⤵
- 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:4296
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3f625ecd
- Size 873KB
- SHA256 1c1a8446ef0fd94cae4ab8503eb8a98735c1335493e5f93a8b5c3a401cf3f616
- MD5 21a76c54eb9da61dc16478a816b1ad4d
- SHA1 6e9641d7208db322f87902d09dc2e3185de1005d
- SHA512 f3052645b5a1717160de9f6561ae0c761a07bb207e55cf84b0972a72f1e919a6e44f1c1c88a3cf91b598af0eb7feafdc33751e74ece12fccc0c83b049006af96
- SSDEEP 12288:LSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:+vO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T15D156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH