Analysis
- max time kernel
150s - max time network
147s - 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, 23:48
Behavioral task
behavioral1
Sample
b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe
- Size 3.0MB
- Sample260809-3tt31sxepb
- SHA256 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da
- MD5 48ae7d9faccc170af9464028b22cdb11
- SHA1 e411c3f0df03a57577b025765b1f134cfc97d535
- SHA512 62909eebd942141a2e97dbfc9c003dd32c85f0e0ae704f48b1708a1f915600c60bed0c3e4b5607e29b68a7ab3ceb4385b16619fb48ea0ae6b542402b45df3fb0
- SSDEEP 49152:2A/JuTQKqVmgbQIzZMPXpB91rHpn/qKmNAOaG6IOY/:5/whnLrHp/qKm2/Sb/
- TLSH T122E55953EB914AE8E39D0536DF544150E72AF2256BEF13A27428420DDE83387BF61A3D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2588 7d4efe40 - 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 3356 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe Destination IP 4 223.5.5.5 3356 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe Destination IP 17 114.114.114.114 3356 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe Destination IP 18 223.5.5.5 3356 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 7d4efe40 File created C:\Windows\SysWOW64\7d4efe40 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 7d4efe40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 7d4efe40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 7d4efe40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 7d4efe40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 7d4efe40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 7d4efe40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 7d4efe40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 7d4efe40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 7d4efe40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 7d4efe40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 7d4efe40 -
resource yara_rule behavioral2/memory/3356-0-0x00000000005F0000-0x00000000008F5000-memory.dmp upx behavioral2/files/0x000d0000000187b4-2.dat upx behavioral2/memory/2588-4-0x0000000001000000-0x0000000001305000-memory.dmp upx behavioral2/memory/3356-5-0x00000000005F0000-0x00000000008F5000-memory.dmp upx behavioral2/memory/2588-6-0x0000000001000000-0x0000000001305000-memory.dmp upx behavioral2/memory/2588-21-0x0000000001000000-0x0000000001305000-memory.dmp upx - 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 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7d4efe40 - 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 7d4efe40 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 7d4efe40 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 7d4efe40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 7d4efe40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 7d4efe40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 7d4efe40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 7d4efe40 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 7d4efe40 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 7d4efe40 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2588 7d4efe40 2588 7d4efe40 2588 7d4efe40 2588 7d4efe40 2588 7d4efe40 2588 7d4efe40 2588 7d4efe40 2588 7d4efe40 3356 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe 3356 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe 3356 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe 3356 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe 3356 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe 3356 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe 3356 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe 3356 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe 3356 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe 3356 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe 3356 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe 3356 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe 3356 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe 3356 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3356 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe Token: SeTcbPrivilege 3356 b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe Token: SeDebugPrivilege 2588 7d4efe40 Token: SeTcbPrivilege 2588 7d4efe40
Processes
-
C:\Users\Admin\AppData\Local\Temp\b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe"C:\Users\Admin\AppData\Local\Temp\b37852951dbd8f4b07145af359d24b41920f229dad547bc7a67327ca7ebe77da.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3356
-
C:\Windows\Syswow64\7d4efe40C:\Windows\Syswow64\7d4efe401⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2588
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\7d4efe40
- Size 3.0MB
- SHA256 8917b44217ae7ac5a962a74c9e68f3e202f894e9298eddcadc0f5104fbc861ef
- MD5 beb29f738a2f9c5b8bfef61c4d9698dd
- SHA1 1c2af1bcf7708eff996d3969dfcafa75d44028e7
- SHA512 58a57e74dc8fe3f88c13dd12ef8cf9be6b176e09b4b05bb2420d1f53ce9f16142aafba1de1277e357ece89fe5759101492a9218a797f13baa347fd9685a25166
- SSDEEP 49152:iA/JuTQKqVmgbQIzZMPXpB91rHpn/qKmNAOaG6IOY/:9/whnLrHp/qKm2/Sb/
- TLSH T191E55953EB914AE8E39D0536DF544150E72AF2256BEF13A27428420DDE83387BF61A3D
- MD5 SHA1 SHA512 SSDEEP TLSH