Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
28/05/2026, 16:17
Behavioral task
behavioral1
Sample
337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
General
- Target 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe
- Size 2.5MB
- Sample260528-tre2msfx9w
- SHA256 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e
- MD5 63ca913193b57eaab0c7c81b2030f806
- SHA1 420cfb71292a06965051fbfbf987fb6496e44fe8
- SHA512 7e3e1db691bc80dd640905d2d7620bd04e5a967e6fb6ace3d9746ffc76d15337bc9965546b600f37c4707e7a3092de1553c37f265c81c90d54e4a9a252c2044d
- SSDEEP 49152:DHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:DnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T14DC58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4172 4673d17a - Unexpected DNS network traffic destination 17 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 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe Destination IP 86 114.114.114.114 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe Destination IP 290 223.5.5.5 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe Destination IP 319 114.114.114.114 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe Destination IP 320 223.5.5.5 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe Destination IP 36 223.5.5.5 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe Destination IP 142 114.114.114.114 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe Destination IP 231 114.114.114.114 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe Destination IP 289 114.114.114.114 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe Destination IP 35 114.114.114.114 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe Destination IP 144 223.5.5.5 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe Destination IP 232 223.5.5.5 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe Destination IP 373 114.114.114.114 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe Destination IP 2 223.5.5.5 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe Destination IP 88 223.5.5.5 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe Destination IP 93 114.114.114.114 4172 4673d17a Destination IP 103 223.5.5.5 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.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\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4673d17a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4673d17a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4673d17a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4673d17a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4673d17a File created C:\Windows\SysWOW64\4673d17a 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4673d17a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4673d17a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4673d17a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4673d17a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4673d17a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4673d17a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4673d17a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4673d17a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4673d17a -
resource yara_rule behavioral2/memory/4440-0-0x0000000000060000-0x00000000000EC000-memory.dmp upx behavioral2/files/0x001d00000002b33a-2.dat upx behavioral2/memory/4172-4-0x00000000001E0000-0x000000000026C000-memory.dmp upx behavioral2/memory/4440-18-0x0000000000060000-0x00000000000EC000-memory.dmp upx behavioral2/memory/4172-19-0x00000000001E0000-0x000000000026C000-memory.dmp upx behavioral2/memory/4172-36-0x00000000001E0000-0x000000000026C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\476d18 4673d17a File opened for modification C:\Windows\4c03b0 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.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 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4673d17a - 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 4673d17a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4673d17a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4673d17a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4673d17a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4673d17a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4673d17a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4673d17a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4673d17a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4673d17a - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4172 4673d17a 4172 4673d17a 4172 4673d17a 4172 4673d17a 4172 4673d17a 4172 4673d17a 4172 4673d17a 4172 4673d17a 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe Token: SeTcbPrivilege 4440 337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe Token: SeDebugPrivilege 4172 4673d17a Token: SeTcbPrivilege 4172 4673d17a
Processes
-
C:\Users\Admin\AppData\Local\Temp\337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.exe"C:\Users\Admin\AppData\Local\Temp\337128d94e011aa311474074f81311201d793fd2a095535a957e317b0662691e.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:4440
-
C:\Windows\Syswow64\4673d17aC:\Windows\Syswow64\4673d17a1⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:4172
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4673d17a
- Size 2.5MB
- SHA256 cbba6e22337fe450a0026925e1861a8e47adc0e4b860dc6fbe52b38d6e45107f
- MD5 ab890bf7ed1451c21622ab601aac1b4b
- SHA1 bf44adc6690ee5d4dd0a73bbf055e2e564930eaf
- SHA512 931095e9b1ad1fac42e632e6b0cd187c5228f13624cdd3bee1c7e2fac4dc07eaa05475792ce0a2a14aeaddaffcbd868a9ac5a69fd9663af8dbc2f07ec9c351aa
- SSDEEP 49152:IHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:InKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T1CFC58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH