Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
12/10/2026, 20:03
Behavioral task
behavioral1
Sample
819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe
- Size 560KB
- Sample261012-ys6cfaew7x
- SHA256 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e
- MD5 c40d85f9c24d32411f7cf96018e32c3d
- SHA1 b1a8a9cad58936bdd91e5835d6c6249599eb1ff9
- SHA512 55ecb72b95b3b0c15246903ee91cc0e8c6be4071fe2414e32162b8f3af70c20eff559870bcdf2d46bbc35a0310e171f0b711e9aad9173215d06c1252d2b5b7e7
- SSDEEP 6144:IUJJuV1cdhIoA7vJ0CLoCgvDLe4AmFvirGcEOkCybEaQRuy8K:IYsVOdhElvkCgvDLe4usOkxHy
- TLSH T1DAC48D29B6D0C036C5B39574C4A186BAEAB17432372549CFA3D5475A0F337E2BA7930E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1976 6b9916d7 - Unexpected DNS network traffic destination 22 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 131 223.5.5.5 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Destination IP 203 223.5.5.5 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Destination IP 300 114.114.114.114 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Destination IP 354 223.5.5.5 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Destination IP 485 114.114.114.114 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Destination IP 486 223.5.5.5 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Destination IP 545 114.114.114.114 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Destination IP 5 114.114.114.114 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Destination IP 130 114.114.114.114 1976 6b9916d7 Destination IP 239 114.114.114.114 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Destination IP 240 223.5.5.5 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Destination IP 424 114.114.114.114 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Destination IP 425 223.5.5.5 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Destination IP 546 223.5.5.5 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Destination IP 301 223.5.5.5 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Destination IP 389 114.114.114.114 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Destination IP 390 223.5.5.5 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Destination IP 352 114.114.114.114 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Destination IP 6 223.5.5.5 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Destination IP 65 114.114.114.114 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Destination IP 66 223.5.5.5 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Destination IP 202 114.114.114.114 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 6b9916d7 File created C:\Windows\SysWOW64\6b9916d7 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 6b9916d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6b9916d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6b9916d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6b9916d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 6b9916d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 6b9916d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 6b9916d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 6b9916d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 6b9916d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 6b9916d7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6b9916d7 -
resource yara_rule behavioral1/memory/2688-0-0x00000000003F0000-0x000000000047C000-memory.dmp upx behavioral1/memory/1976-4-0x0000000000510000-0x000000000059C000-memory.dmp upx behavioral1/files/0x000c00000001682f-3.dat upx behavioral1/memory/2688-18-0x00000000003F0000-0x000000000047C000-memory.dmp upx behavioral1/memory/1976-19-0x0000000000510000-0x000000000059C000-memory.dmp upx behavioral1/memory/1976-38-0x0000000000510000-0x000000000059C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\21d470 6b9916d7 File opened for modification C:\Windows\2e0500 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 6b9916d7 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 6b9916d7 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.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 6b9916d7 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe - 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:" 6b9916d7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 6b9916d7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 6b9916d7 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 6b9916d7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 6b9916d7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 6b9916d7 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 6b9916d7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 6b9916d7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 6b9916d7 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1976 6b9916d7 1976 6b9916d7 1976 6b9916d7 1976 6b9916d7 1976 6b9916d7 1976 6b9916d7 1976 6b9916d7 1976 6b9916d7 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Token: SeTcbPrivilege 2688 819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe Token: SeDebugPrivilege 1976 6b9916d7 Token: SeTcbPrivilege 1976 6b9916d7
Processes
-
C:\Users\Admin\AppData\Local\Temp\819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe"C:\Users\Admin\AppData\Local\Temp\819835eaa6285779c71b19dfcb5f95187aac8ad75f580c3d6267b5f6d9d4f10e.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2688
-
C:\Windows\Syswow64\6b9916d7C:\Windows\Syswow64\6b9916d71⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1976
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\6b9916d7
- Size 560KB
- SHA256 f108bb10ea94847d7ee122eb24f02cfb7f9446ef02b1087feaa047fdb55d8c9f
- MD5 f3c6a3667668b880abaaf609e5349951
- SHA1 d714866167df48d153a96d589405ff46e9440aa2
- SHA512 cbef294c14dfdef2ccf0ce01d10edbfeda1eeb0f0c37f5a87edb381ce313367fbf38ad431d6ad1b5b44a24d5dbbf143073293b6ba2b60df6b0dac379cc0d1165
- SSDEEP 6144:fUJJuV1cdhIoA7vJ0CLoCgvDLe4AmFvirGcEOkCybEaQRuy8K:fYsVOdhElvkCgvDLe4usOkxHy
- TLSH T1A8C48D29B6D0C036C5B39574C4A186BAEAB17432372549CFA3D5475A0F337E2BA7930E
- MD5 SHA1 SHA512 SSDEEP TLSH