Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
08/05/2026, 10:15
Behavioral task
behavioral1
Sample
746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe
Resource
win10v2004-20250619-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe
- Size 1024KB
- Sample260508-maftaaay4q
- SHA256 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5
- MD5 221128ccfd47a7d19ad911f6d05b8666
- SHA1 3c6b45c4c2d87a8fa664d4753e15a99d17fa2106
- SHA512 6c879e7cafcab6e29e6dea1e607421eb4828d03cc9fbbca6ea902d3b9248c8910c7fea190ecbefaeac822c461367cf2f886a7270500b1f1c808177c8b74c37ab
- SSDEEP 24576:PjHPOSOkx2LFshuZ98Es8k3OH3C0rQ6+y:PTGkQyhuTtS0rQi
- TLSH T18D25AF31E242C03AD5A70172C6BE0BAF95787D25472951C7A3D43D6A2FB22D2AE3570F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4988 5818d2a - Unexpected DNS network traffic destination 12 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 4176 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe Destination IP 123 223.5.5.5 4176 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe Destination IP 127 223.5.5.5 4176 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe Destination IP 184 114.114.114.114 4176 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe Destination IP 185 223.5.5.5 4176 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe Destination IP 35 114.114.114.114 4176 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe Destination IP 36 223.5.5.5 4176 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe Destination IP 56 114.114.114.114 4176 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe Destination IP 58 223.5.5.5 4176 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe Destination IP 120 114.114.114.114 4988 5818d2a Destination IP 122 114.114.114.114 4176 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe Destination IP 1 114.114.114.114 4176 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.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 5818d2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5818d2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 5818d2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 5818d2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 5818d2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 5818d2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5818d2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5818d2a File created C:\Windows\SysWOW64\5818d2a 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 5818d2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 5818d2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 5818d2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 5818d2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 5818d2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 5818d2a -
resource yara_rule behavioral2/memory/4176-0-0x0000000000BE0000-0x0000000000C69000-memory.dmp upx behavioral2/files/0x000d000000027002-4.dat upx behavioral2/memory/4988-3-0x0000000000B40000-0x0000000000BC9000-memory.dmp upx behavioral2/memory/4176-18-0x0000000000BE0000-0x0000000000C69000-memory.dmp upx behavioral2/memory/4988-20-0x0000000000B40000-0x0000000000BC9000-memory.dmp upx behavioral2/memory/4988-22-0x0000000000B40000-0x0000000000BC9000-memory.dmp upx behavioral2/memory/4176-37-0x0000000000BE0000-0x0000000000C69000-memory.dmp upx behavioral2/memory/4988-38-0x0000000000B40000-0x0000000000BC9000-memory.dmp upx behavioral2/memory/4176-45-0x0000000000BE0000-0x0000000000C69000-memory.dmp upx behavioral2/memory/4988-46-0x0000000000B40000-0x0000000000BC9000-memory.dmp upx behavioral2/memory/4988-47-0x0000000000B40000-0x0000000000BC9000-memory.dmp upx behavioral2/memory/4176-53-0x0000000000BE0000-0x0000000000C69000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\556578 5818d2a File opened for modification C:\Windows\477ea0 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.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 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5818d2a - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 5818d2a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 5818d2a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 5818d2a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 5818d2a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 5818d2a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 5818d2a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 5818d2a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 5818d2a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 5818d2a - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4988 5818d2a 4988 5818d2a 4988 5818d2a 4988 5818d2a 4988 5818d2a 4988 5818d2a 4988 5818d2a 4988 5818d2a 4176 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe 4176 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe 4176 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe 4176 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe 4176 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe 4176 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4176 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe Token: SeTcbPrivilege 4176 746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe Token: SeDebugPrivilege 4988 5818d2a Token: SeTcbPrivilege 4988 5818d2a
Processes
-
C:\Users\Admin\AppData\Local\Temp\746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.exe"C:\Users\Admin\AppData\Local\Temp\746ffdf622ed6a68cf3d815a7800c3aa4865fcd312097bbbf617777b1ba4d1e5.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:4176
-
C:\Windows\Syswow64\5818d2aC:\Windows\Syswow64\5818d2a1⤵
- 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:4988
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\5818d2a
- Size 1024KB
- SHA256 72076cad87fed13eb825f2f97aec2d6a400088b998464ee9d310c5567ab19653
- MD5 63e319b1121529f2625967be04c05559
- SHA1 4b5aaa413cf50b39918f04d7bdbe46ea2c1f2178
- SHA512 719bbb43f4bc76538ab65139c57a29da22f8431e5149f82e6ddd4b12684e1a5aa0e2e81528f0c2a8a33e0a9e2bc1b8ca4061ff3d854739b5b6b787216c7fc641
- SSDEEP 24576:VjHPOSOkx2LFshuZ98Es8k3OH3C0rQ6+y:VTGkQyhuTtS0rQi
- TLSH T1EA25AF31E242C03AD5A70172C6BE0BAF95787D25472951C7A3D43D6A2FB22D2AE3570F
- MD5 SHA1 SHA512 SSDEEP TLSH