Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/08/2026, 20:15
Behavioral task
behavioral1
Sample
3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe
- Size 576KB
- Sample260801-y1tzdawbme
- SHA256 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081
- MD5 3f0bb70520be572e572ba874c4ddbd2d
- SHA1 dbb5aa55733f5bbc3e943566b7661c1166cc9350
- SHA512 8241f37d90fb8e4d593982c3e1fb5450443d3304548ab07dd977fd889b02c3aceeb562e6e0817d61351d3ecb6e1ff0265f003da79b8d79881b09ba527a3f95d0
- SSDEEP 6144:PcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:PSvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T18EC46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4560 649f41f4 - 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 21 114.114.114.114 2548 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe Destination IP 24 223.5.5.5 2548 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe Destination IP 1 114.114.114.114 2548 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe Destination IP 4 223.5.5.5 2548 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe - Drops file in System32 directory 11 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 649f41f4 File created C:\Windows\SysWOW64\649f41f4 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 649f41f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 649f41f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 649f41f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 649f41f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 649f41f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 649f41f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 649f41f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 649f41f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 649f41f4 -
resource yara_rule behavioral2/memory/2548-0-0x0000000000D20000-0x0000000000DAC000-memory.dmp upx behavioral2/memory/4560-3-0x00000000001C0000-0x000000000024C000-memory.dmp upx behavioral2/files/0x000700000001b85f-2.dat upx behavioral2/memory/2548-13-0x0000000000D20000-0x0000000000DAC000-memory.dmp upx behavioral2/memory/4560-14-0x00000000001C0000-0x000000000024C000-memory.dmp upx behavioral2/memory/4560-29-0x00000000001C0000-0x000000000024C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4e11a0 649f41f4 File opened for modification C:\Windows\2b9f68 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.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 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 649f41f4 - 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\Cookies\CachePrefix = "Cookie:" 649f41f4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 649f41f4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 649f41f4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 649f41f4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 649f41f4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 649f41f4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 649f41f4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 649f41f4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 649f41f4 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4560 649f41f4 4560 649f41f4 4560 649f41f4 4560 649f41f4 4560 649f41f4 4560 649f41f4 4560 649f41f4 4560 649f41f4 2548 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe 2548 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe 2548 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe 2548 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe 2548 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe 2548 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe 2548 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe 2548 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe 2548 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe 2548 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe 2548 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe 2548 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe 2548 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe 2548 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2548 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe Token: SeTcbPrivilege 2548 3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe Token: SeDebugPrivilege 4560 649f41f4 Token: SeTcbPrivilege 4560 649f41f4
Processes
-
C:\Users\Admin\AppData\Local\Temp\3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.exe"C:\Users\Admin\AppData\Local\Temp\3dd495e8d0ed027e3887736b420da66b2d1223f6b2ad40d815a1cbc69dd27081.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:2548
-
C:\Windows\Syswow64\649f41f4C:\Windows\Syswow64\649f41f41⤵
- 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:4560
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\649f41f4
- Size 576KB
- SHA256 58181bcea6d14cbf9586a1d4477500d8660bb7c06723571453c3f806329b6750
- MD5 29e57aa0017e6b5a4af770493dfa82e7
- SHA1 8f6fab4279883ff02137ab97d6341d05b3a7a2bc
- SHA512 69ebddc465deb5bf3d527d6648b6e495cac1ff30696482d79e293b39ae929245a18d7a37df29bf34a1f2d724472b44f5235898644b8e5a4f54752b470a5de4c7
- SSDEEP 6144:6cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:6SvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T1B8C46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH