Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
11/05/2026, 03:53
Behavioral task
behavioral1
Sample
75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe
- Size 761KB
- Sample260511-efv66aaz5s
- SHA256 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a
- MD5 cc70bc3e6c03193a301cffe511179ab1
- SHA1 1ac78f4bdf4c2637c0a2eee3700ea7601f10c7df
- SHA512 1bef32f895da5a86b4507dbd82393d716db98cd3893bcee20e104930fddda8fb8d1ae6163bbe70c99b4a0bd95adb3653829e86551b421e7d1adad18adea35373
- SSDEEP 12288:4SvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:TvO2xJKRw2kOkxSkW298B
- TLSH T132F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4052 66978dea - 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 28 223.5.5.5 3340 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe Destination IP 3 114.114.114.114 3340 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe Destination IP 5 223.5.5.5 3340 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe Destination IP 27 114.114.114.114 3340 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 66978dea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 66978dea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 66978dea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 66978dea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 66978dea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 66978dea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 66978dea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 66978dea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 66978dea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 66978dea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 66978dea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 66978dea File created C:\Windows\SysWOW64\66978dea 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 66978dea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 66978dea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 66978dea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 66978dea -
resource yara_rule behavioral1/memory/3340-0-0x0000000000F10000-0x0000000000F9C000-memory.dmp upx behavioral1/files/0x000b00000002424d-2.dat upx behavioral1/memory/4052-3-0x0000000000660000-0x00000000006EC000-memory.dmp upx behavioral1/memory/3340-10-0x0000000000F10000-0x0000000000F9C000-memory.dmp upx behavioral1/memory/4052-12-0x0000000000660000-0x00000000006EC000-memory.dmp upx behavioral1/memory/4052-43-0x0000000000660000-0x00000000006EC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\455f28 66978dea File opened for modification C:\Windows\392e98 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.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 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 66978dea - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 66978dea Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 66978dea Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 66978dea Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 66978dea Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 66978dea Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 66978dea Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 66978dea Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 66978dea Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 66978dea - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4052 66978dea 4052 66978dea 4052 66978dea 4052 66978dea 4052 66978dea 4052 66978dea 4052 66978dea 4052 66978dea 3340 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe 3340 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe 3340 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe 3340 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe 3340 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe 3340 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3340 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe Token: SeTcbPrivilege 3340 75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe Token: SeDebugPrivilege 4052 66978dea Token: SeTcbPrivilege 4052 66978dea
Processes
-
C:\Users\Admin\AppData\Local\Temp\75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.exe"C:\Users\Admin\AppData\Local\Temp\75ad67c610289f5d082e58a9e12533a40fbda3e81c6c15705050c329d1ffe47a.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:3340
-
C:\Windows\Syswow64\66978deaC:\Windows\Syswow64\66978dea1⤵
- 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:4052
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\66978dea
- Size 761KB
- SHA256 614e8723dba84387e5e6b92c0171d37c4953727f9b64082ef9f154ed7d15a690
- MD5 7f79b47833d46c6d7b79057b4c18beec
- SHA1 f8e21111097991f5179d7f2ae2eb65e6e15f82b5
- SHA512 5d2d676b463216d40071d28154dddaee22f282c8520719096ab96855a1db5ee7735cf30ce8dd497a62da9ebb03a1cf624bfc57bd71e246b09761629a3cd4a7a8
- SSDEEP 12288:ZSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:gvO2xJKRw2kOkxSkW298B
- TLSH T1A7F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH