Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
10/08/2026, 22:14
Behavioral task
behavioral1
Sample
ea49a6dff497df57a109e62a6daec688032959f51ecbffd8390d0d8eca3deb65.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target ea49a6dff497df57a109e62a6daec688032959f51ecbffd8390d0d8eca3deb65.exe
- Size 560KB
- Sample260810-151ntsvthx
- SHA256 ea49a6dff497df57a109e62a6daec688032959f51ecbffd8390d0d8eca3deb65
- MD5 71417e060fe6ee256e213a248a5fa4a5
- SHA1 9f570661b622c1819773f7352dfe44142c6ab8b4
- SHA512 2289561930b7ea28c29267a66a1c2286e7661b575a0ee6906bb904a707ef01e170d84b203ed84e10e4871a8c21c6f7677bb9953527ad036cba7c502e4aa3495c
- SSDEEP 6144:B6UE71cqQEoMr5C2iKLJChYSvL+8xPFxirGcEOkCybEaQRXr9HNdvOa+y8K:BO7OqQs42iKFChYSvL+8AsOkx2LIa+y
- TLSH T1FAC46C26B6A0D076C4B79574C4A28BA6FFB1742227244BCFA39047561F637E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5436 50890b9f - 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 59 114.114.114.114 4424 ea49a6dff497df57a109e62a6daec688032959f51ecbffd8390d0d8eca3deb65.exe Destination IP 60 223.5.5.5 4424 ea49a6dff497df57a109e62a6daec688032959f51ecbffd8390d0d8eca3deb65.exe Destination IP 3 114.114.114.114 4424 ea49a6dff497df57a109e62a6daec688032959f51ecbffd8390d0d8eca3deb65.exe Destination IP 6 223.5.5.5 4424 ea49a6dff497df57a109e62a6daec688032959f51ecbffd8390d0d8eca3deb65.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 50890b9f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 50890b9f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 50890b9f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 50890b9f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 50890b9f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 50890b9f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 50890b9f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 50890b9f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 50890b9f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 50890b9f File created C:\Windows\SysWOW64\50890b9f ea49a6dff497df57a109e62a6daec688032959f51ecbffd8390d0d8eca3deb65.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 50890b9f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 50890b9f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 50890b9f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 50890b9f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 50890b9f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 50890b9f -
resource yara_rule behavioral1/memory/4424-0-0x0000000000880000-0x000000000090C000-memory.dmp upx behavioral1/files/0x0008000000024670-2.dat upx behavioral1/memory/5436-4-0x00000000001D0000-0x000000000025C000-memory.dmp upx behavioral1/memory/4424-15-0x0000000000880000-0x000000000090C000-memory.dmp upx behavioral1/memory/5436-16-0x00000000001D0000-0x000000000025C000-memory.dmp upx behavioral1/memory/5436-28-0x00000000001D0000-0x000000000025C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5d10f8 50890b9f File opened for modification C:\Windows\4bbd90 ea49a6dff497df57a109e62a6daec688032959f51ecbffd8390d0d8eca3deb65.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 ea49a6dff497df57a109e62a6daec688032959f51ecbffd8390d0d8eca3deb65.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 50890b9f - 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\History\CachePrefix = "Visited:" 50890b9f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 50890b9f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 50890b9f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 50890b9f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 50890b9f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 50890b9f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 50890b9f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 50890b9f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 50890b9f - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5436 50890b9f 5436 50890b9f 5436 50890b9f 5436 50890b9f 5436 50890b9f 5436 50890b9f 5436 50890b9f 5436 50890b9f 4424 ea49a6dff497df57a109e62a6daec688032959f51ecbffd8390d0d8eca3deb65.exe 4424 ea49a6dff497df57a109e62a6daec688032959f51ecbffd8390d0d8eca3deb65.exe 4424 ea49a6dff497df57a109e62a6daec688032959f51ecbffd8390d0d8eca3deb65.exe 4424 ea49a6dff497df57a109e62a6daec688032959f51ecbffd8390d0d8eca3deb65.exe 4424 ea49a6dff497df57a109e62a6daec688032959f51ecbffd8390d0d8eca3deb65.exe 4424 ea49a6dff497df57a109e62a6daec688032959f51ecbffd8390d0d8eca3deb65.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4424 ea49a6dff497df57a109e62a6daec688032959f51ecbffd8390d0d8eca3deb65.exe Token: SeTcbPrivilege 4424 ea49a6dff497df57a109e62a6daec688032959f51ecbffd8390d0d8eca3deb65.exe Token: SeDebugPrivilege 5436 50890b9f Token: SeTcbPrivilege 5436 50890b9f
Processes
-
C:\Users\Admin\AppData\Local\Temp\ea49a6dff497df57a109e62a6daec688032959f51ecbffd8390d0d8eca3deb65.exe"C:\Users\Admin\AppData\Local\Temp\ea49a6dff497df57a109e62a6daec688032959f51ecbffd8390d0d8eca3deb65.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:4424
-
C:\Windows\Syswow64\50890b9fC:\Windows\Syswow64\50890b9f1⤵
- 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:5436
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\50890b9f
- Size 560KB
- SHA256 08743cc8bcd02bcec2ed3ccdff1feb623b8697a1adaca48da36bff2964118f00
- MD5 7e66338381fcad91402f2ed5c1a4d725
- SHA1 d7beba3964228866e140d1cf2f26ee81c0e5f657
- SHA512 bc28adf9765a77507b6ecb1094aaf7728d90224ce75c6cf07147eb39ce8d381924b80058463e0fc2e802fdde91bb0c604038aeb6e0cbbce2e1c7d0660395c015
- SSDEEP 6144:r6UE71cqQEoMr5C2iKLJChYSvL+8xPFxirGcEOkCybEaQRXr9HNdvOa+y8K:rO7OqQs42iKFChYSvL+8AsOkx2LIa+y
- TLSH T143C46C26B6A0D076C4B79574C4A28BA6FFB1742227244BCFA39047561F637E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH