Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 23:01
Behavioral task
behavioral1
Sample
bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe
- Size 560KB
- Sample260809-2zxknaxapc
- SHA256 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750
- MD5 004780266b7fcf00d9b04d9f2fd1dfa4
- SHA1 68d30d81d82ad0b727e43762d4d0ddc3183e9786
- SHA512 a6eb8fac43ddd39f0646bc913b1f57675123c0dc5a7c7d93a53721563a5bab7391a8e8e04a0808bab96ae1c08b6de50a19a62cde61e3d693c8a3ad97d8e7e556
- SSDEEP 6144:m4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:mrNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T1C3C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4856 25aad7bc - 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 2 223.5.5.5 2200 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe Destination IP 12 114.114.114.114 2200 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe Destination IP 13 223.5.5.5 2200 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe Destination IP 1 114.114.114.114 2200 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.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\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 25aad7bc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 25aad7bc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 25aad7bc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 25aad7bc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 25aad7bc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 25aad7bc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 25aad7bc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 25aad7bc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 25aad7bc File created C:\Windows\SysWOW64\25aad7bc bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 25aad7bc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 25aad7bc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 25aad7bc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 25aad7bc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 25aad7bc -
resource yara_rule behavioral2/memory/2200-0-0x0000000000C80000-0x0000000000D0C000-memory.dmp upx behavioral2/files/0x0007000000016cf8-2.dat upx behavioral2/memory/4856-3-0x00000000009C0000-0x0000000000A4C000-memory.dmp upx behavioral2/memory/2200-18-0x0000000000C80000-0x0000000000D0C000-memory.dmp upx behavioral2/memory/4856-19-0x00000000009C0000-0x0000000000A4C000-memory.dmp upx behavioral2/memory/4856-34-0x00000000009C0000-0x0000000000A4C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5322f0 25aad7bc File opened for modification C:\Windows\25aa30 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.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 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 25aad7bc - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 25aad7bc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 25aad7bc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 25aad7bc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 25aad7bc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 25aad7bc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 25aad7bc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 25aad7bc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 25aad7bc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 25aad7bc - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4856 25aad7bc 4856 25aad7bc 4856 25aad7bc 4856 25aad7bc 4856 25aad7bc 4856 25aad7bc 4856 25aad7bc 4856 25aad7bc 2200 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe 2200 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe 2200 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe 2200 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe 2200 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe 2200 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe 2200 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe 2200 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe 2200 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe 2200 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe 2200 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe 2200 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe 2200 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe 2200 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2200 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe Token: SeTcbPrivilege 2200 bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe Token: SeDebugPrivilege 4856 25aad7bc Token: SeTcbPrivilege 4856 25aad7bc
Processes
-
C:\Users\Admin\AppData\Local\Temp\bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.exe"C:\Users\Admin\AppData\Local\Temp\bb42255257f284903411081bc2c60c1f17538df14d31335ff9ead90eb3b93750.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:2200
-
C:\Windows\Syswow64\25aad7bcC:\Windows\Syswow64\25aad7bc1⤵
- 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:4856
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\25aad7bc
- Size 560KB
- SHA256 e565bca9582b517d1db8f54e34fa21cd57dcf9abc30a173735103a4ccfb49b2d
- MD5 7a9013bb2687a665da98694a5f513f1a
- SHA1 951a435b4d76d9d1fbc5314084870ca46fb064ec
- SHA512 7c89528723801139d1f937d76b805d2427d4590b313416a3140e3477c5280c0d0deb70dbde924db29c4c3c29e43d099ebbbaee35fd4b40a78208ef3612677886
- SSDEEP 6144:u4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:urNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T132C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH