Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
28/07/2026, 19:56
Behavioral task
behavioral1
Sample
56d7835cc8f3a8f253fb02540ee31d1f6e13f39b87e968fce5f7686e6a7cacd7.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 56d7835cc8f3a8f253fb02540ee31d1f6e13f39b87e968fce5f7686e6a7cacd7.exe
- Size 560KB
- Sample260728-ynzzvsvbkd
- SHA256 56d7835cc8f3a8f253fb02540ee31d1f6e13f39b87e968fce5f7686e6a7cacd7
- MD5 1708538f36ecaf5f3a12b8b95a290dff
- SHA1 f7f3a342cb4405daad475d49e9056171ad3d781c
- SHA512 8f576e50c606b00fec5a4254724ef2b9fcb223c57a7b712bbe791fcdc6f8b6d34b0fa0ce9e25d3d661d038b7a1049d1ee8559e4b8e4f9cb659cc6631a3049e92
- SSDEEP 6144:Jgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:JI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T17AC48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3504 90f72cf6 - 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 3 114.114.114.114 1064 56d7835cc8f3a8f253fb02540ee31d1f6e13f39b87e968fce5f7686e6a7cacd7.exe Destination IP 4 223.5.5.5 1064 56d7835cc8f3a8f253fb02540ee31d1f6e13f39b87e968fce5f7686e6a7cacd7.exe Destination IP 35 114.114.114.114 1064 56d7835cc8f3a8f253fb02540ee31d1f6e13f39b87e968fce5f7686e6a7cacd7.exe Destination IP 36 223.5.5.5 1064 56d7835cc8f3a8f253fb02540ee31d1f6e13f39b87e968fce5f7686e6a7cacd7.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 90f72cf6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 90f72cf6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 90f72cf6 File created C:\Windows\SysWOW64\90f72cf6 56d7835cc8f3a8f253fb02540ee31d1f6e13f39b87e968fce5f7686e6a7cacd7.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 90f72cf6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 90f72cf6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 90f72cf6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 90f72cf6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 90f72cf6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 90f72cf6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 90f72cf6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 90f72cf6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 90f72cf6 -
resource yara_rule behavioral1/memory/1064-0-0x0000000000E40000-0x0000000000ECC000-memory.dmp upx behavioral1/files/0x000a000000016817-2.dat upx behavioral1/memory/3504-4-0x0000000000970000-0x00000000009FC000-memory.dmp upx behavioral1/memory/1064-16-0x0000000000E40000-0x0000000000ECC000-memory.dmp upx behavioral1/memory/3504-17-0x0000000000970000-0x00000000009FC000-memory.dmp upx behavioral1/memory/3504-28-0x0000000000970000-0x00000000009FC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3bfd60 90f72cf6 File opened for modification C:\Windows\123750 56d7835cc8f3a8f253fb02540ee31d1f6e13f39b87e968fce5f7686e6a7cacd7.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 90f72cf6 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 56d7835cc8f3a8f253fb02540ee31d1f6e13f39b87e968fce5f7686e6a7cacd7.exe - 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 90f72cf6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 90f72cf6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 90f72cf6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 90f72cf6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 90f72cf6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 90f72cf6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 90f72cf6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 90f72cf6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 90f72cf6 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3504 90f72cf6 3504 90f72cf6 3504 90f72cf6 3504 90f72cf6 3504 90f72cf6 3504 90f72cf6 3504 90f72cf6 3504 90f72cf6 1064 56d7835cc8f3a8f253fb02540ee31d1f6e13f39b87e968fce5f7686e6a7cacd7.exe 1064 56d7835cc8f3a8f253fb02540ee31d1f6e13f39b87e968fce5f7686e6a7cacd7.exe 1064 56d7835cc8f3a8f253fb02540ee31d1f6e13f39b87e968fce5f7686e6a7cacd7.exe 1064 56d7835cc8f3a8f253fb02540ee31d1f6e13f39b87e968fce5f7686e6a7cacd7.exe 1064 56d7835cc8f3a8f253fb02540ee31d1f6e13f39b87e968fce5f7686e6a7cacd7.exe 1064 56d7835cc8f3a8f253fb02540ee31d1f6e13f39b87e968fce5f7686e6a7cacd7.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1064 56d7835cc8f3a8f253fb02540ee31d1f6e13f39b87e968fce5f7686e6a7cacd7.exe Token: SeTcbPrivilege 1064 56d7835cc8f3a8f253fb02540ee31d1f6e13f39b87e968fce5f7686e6a7cacd7.exe Token: SeDebugPrivilege 3504 90f72cf6 Token: SeTcbPrivilege 3504 90f72cf6
Processes
-
C:\Users\Admin\AppData\Local\Temp\56d7835cc8f3a8f253fb02540ee31d1f6e13f39b87e968fce5f7686e6a7cacd7.exe"C:\Users\Admin\AppData\Local\Temp\56d7835cc8f3a8f253fb02540ee31d1f6e13f39b87e968fce5f7686e6a7cacd7.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:1064
-
C:\Windows\Syswow64\90f72cf6C:\Windows\Syswow64\90f72cf61⤵
- 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:3504
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\90f72cf6
- Size 560KB
- SHA256 45d341712e2aaf24d18fe4ca0d609c37338d2ffc0f517e624b64dc236517a5fa
- MD5 36c7cad3ab98ab265d43f639e39bc8e5
- SHA1 eab3ec97ab525cb9d8fc4d42b54ddfb5a165e55c
- SHA512 f13b15ea0fdb7c42fb8ab25a53975b12bb6496d2f6cb3768abe06178568fd00552b46d394832e962be2c280a5d66e4fbeb5aae87fb719f7637bd5f5b987421f7
- SSDEEP 6144:tgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:tI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T1BAC48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH