Analysis
- max time kernel
150s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
26/04/2026, 23:54
Behavioral task
behavioral1
Sample
4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe
- Size 560KB
- Sample260426-3xyklsat21
- SHA256 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826
- MD5 5f295486fc4411e259c6d974681fc186
- SHA1 4154291fb13a90662e7673899cb1568a35f77f66
- SHA512 7488b26e9b92c5778467fbdf62e5c3f1da4b393c8f4cc953cceaa0fa1a25d9ca9476f4abad0c4885d9fc49ce5193ab52dd5a6606a11d45d7f998384ff8e08454
- SSDEEP 6144:/4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:/rNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T1F4C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3336 5476103e - 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 1524 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe Destination IP 2 223.5.5.5 1524 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe Destination IP 27 114.114.114.114 1524 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe Destination IP 28 223.5.5.5 1524 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.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 5476103e File created C:\Windows\SysWOW64\5476103e 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 5476103e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 5476103e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 5476103e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 5476103e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5476103e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 5476103e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5476103e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5476103e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 5476103e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 5476103e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 5476103e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 5476103e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5476103e -
resource yara_rule behavioral2/memory/1524-0-0x00000000000F0000-0x000000000017C000-memory.dmp upx behavioral2/files/0x000600000002a8d2-2.dat upx behavioral2/memory/3336-4-0x0000000000E00000-0x0000000000E8C000-memory.dmp upx behavioral2/memory/1524-18-0x00000000000F0000-0x000000000017C000-memory.dmp upx behavioral2/memory/3336-19-0x0000000000E00000-0x0000000000E8C000-memory.dmp upx behavioral2/memory/3336-30-0x0000000000E00000-0x0000000000E8C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\391d10 5476103e File opened for modification C:\Windows\1a1768 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.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 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5476103e - 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\Content\CachePrefix 5476103e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 5476103e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 5476103e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 5476103e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 5476103e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 5476103e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 5476103e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 5476103e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 5476103e - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3336 5476103e 3336 5476103e 3336 5476103e 3336 5476103e 3336 5476103e 3336 5476103e 3336 5476103e 3336 5476103e 1524 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe 1524 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe 1524 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe 1524 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe 1524 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe 1524 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1524 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe Token: SeTcbPrivilege 1524 4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe Token: SeDebugPrivilege 3336 5476103e Token: SeTcbPrivilege 3336 5476103e
Processes
-
C:\Users\Admin\AppData\Local\Temp\4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.exe"C:\Users\Admin\AppData\Local\Temp\4cc4e712e7f1435e47803241e3a50768acf1d5e08c487a5597c30bb4d40c0826.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:1524
-
C:\Windows\Syswow64\5476103eC:\Windows\Syswow64\5476103e1⤵
- 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:3336
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\5476103e
- Size 560KB
- SHA256 ede07ed696ce26b884bc6d995d5fc2d52f6e3f7255e80eea38db1f59361bf125
- MD5 a7034293e3852039079ddd00745716b6
- SHA1 e48446d5a032c6375a52a0ec9318836af43d3b91
- SHA512 7a7bfcfa70ab171b540894898e2a74cad00024039558e92c39d8f368b075abd8e5c78cd38c0e2017a0bd2fe5f93960845f2400dc6a7e75dd54f5eec3eaa01ece
- SSDEEP 6144:g4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:grNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T1BAC48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH