Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
05/08/2026, 00:36
Behavioral task
behavioral1
Sample
37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe
- Size 873KB
- Sample260805-ax7jasba62
- SHA256 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf
- MD5 f4b8c24e1b50efbd2700e814558b39c6
- SHA1 6ec41bfef95c0ee430434b7aa0179d460a7a1412
- SHA512 9b8dbb0c06146f59c63a8366f29024bd7ac0aa44b331087ce16a724449380b5fda2f02491b2958e17ca91d8d705d96e30dce8e80d7aef4aadca0572e05a8b8e6
- SSDEEP 12288:ASvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:bvO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T15C156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3688 456fa4b0 - 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 23 223.5.5.5 1152 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe Destination IP 1 114.114.114.114 1152 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe Destination IP 4 223.5.5.5 1152 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe Destination IP 22 114.114.114.114 1152 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 456fa4b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 456fa4b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 456fa4b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 456fa4b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 456fa4b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 456fa4b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 456fa4b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 456fa4b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 456fa4b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 456fa4b0 File created C:\Windows\SysWOW64\456fa4b0 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 456fa4b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 456fa4b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 456fa4b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 456fa4b0 -
resource yara_rule behavioral2/memory/1152-0-0x0000000000010000-0x000000000009C000-memory.dmp upx behavioral2/files/0x000600000001b85f-2.dat upx behavioral2/memory/3688-3-0x0000000000200000-0x000000000028C000-memory.dmp upx behavioral2/memory/1152-18-0x0000000000010000-0x000000000009C000-memory.dmp upx behavioral2/memory/3688-19-0x0000000000200000-0x000000000028C000-memory.dmp upx behavioral2/memory/3688-36-0x0000000000200000-0x000000000028C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3f23d0 456fa4b0 File opened for modification C:\Windows\13b900 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.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 456fa4b0 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.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 456fa4b0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 456fa4b0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 456fa4b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 456fa4b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 456fa4b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 456fa4b0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 456fa4b0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 456fa4b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 456fa4b0 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3688 456fa4b0 3688 456fa4b0 3688 456fa4b0 3688 456fa4b0 3688 456fa4b0 3688 456fa4b0 3688 456fa4b0 3688 456fa4b0 1152 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe 1152 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe 1152 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe 1152 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe 1152 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe 1152 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe 1152 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe 1152 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe 1152 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe 1152 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe 1152 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe 1152 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe 1152 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe 1152 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1152 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe Token: SeTcbPrivilege 1152 37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe Token: SeDebugPrivilege 3688 456fa4b0 Token: SeTcbPrivilege 3688 456fa4b0
Processes
-
C:\Users\Admin\AppData\Local\Temp\37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.exe"C:\Users\Admin\AppData\Local\Temp\37eb4a9d65078724bdd9c432c14c29fdf62e2e1f50ef3bdd7d7d30a49b4c3bcf.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:1152
-
C:\Windows\Syswow64\456fa4b0C:\Windows\Syswow64\456fa4b01⤵
- 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:3688
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\456fa4b0
- Size 873KB
- SHA256 0e3c363980324fe9396c449eaf277d0c6e5958c4cb23260ea0d23874ebad9816
- MD5 35f6837acd7ea1dd719911f1be20915e
- SHA1 fd561a45d9c4a086c838c3efa75ca4d54031dc5a
- SHA512 59ee7c133c7521d854d47aa9e8e65898cbada0ecdb71aaf2928e34f78d79638a3c8ada25dc3bc073a6ae5c49a7d036ac7acc12294e0704def3423275e649d1fb
- SSDEEP 12288:rSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:evO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T1DF156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH