Analysis
- max time kernel
150s - max time network
155s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 00:58
Behavioral task
behavioral1
Sample
5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe
- Size 576KB
- Sample260802-bbnpqs1drd
- SHA256 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc
- MD5 61b7c8601c92f8f2cc09463d68c72dc2
- SHA1 5581743aaa63d2582e259ae0cfa51c9122af10ed
- SHA512 b5d9903459ce353227878c8a39854a7fbbecd0943524f9a489a11f2dec3e708d2de6ae062135122d658b1e1869ca013f9ed9379696a9bf361d6b57a265dbc52f
- SSDEEP 6144:ncTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:nSvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T181C46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4848 1c322312 - 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 1 114.114.114.114 1892 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe Destination IP 4 223.5.5.5 1892 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe Destination IP 31 114.114.114.114 1892 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe Destination IP 32 223.5.5.5 1892 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1c322312 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1c322312 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1c322312 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1c322312 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1c322312 File created C:\Windows\SysWOW64\1c322312 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1c322312 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1c322312 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1c322312 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1c322312 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1c322312 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1c322312 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1c322312 -
resource yara_rule behavioral2/memory/1892-0-0x00000000000C0000-0x000000000014C000-memory.dmp upx behavioral2/files/0x001100000001b1a4-2.dat upx behavioral2/memory/4848-3-0x0000000000A90000-0x0000000000B1C000-memory.dmp upx behavioral2/memory/1892-16-0x00000000000C0000-0x000000000014C000-memory.dmp upx behavioral2/memory/4848-17-0x0000000000A90000-0x0000000000B1C000-memory.dmp upx behavioral2/memory/4848-32-0x0000000000A90000-0x0000000000B1C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\52ffe0 1c322312 File opened for modification C:\Windows\206448 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.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 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1c322312 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1c322312 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1c322312 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1c322312 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1c322312 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1c322312 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1c322312 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 1c322312 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1c322312 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1c322312 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4848 1c322312 4848 1c322312 4848 1c322312 4848 1c322312 4848 1c322312 4848 1c322312 4848 1c322312 4848 1c322312 1892 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe 1892 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe 1892 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe 1892 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe 1892 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe 1892 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe 1892 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe 1892 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe 1892 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe 1892 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe 1892 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe 1892 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe 1892 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe 1892 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1892 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe Token: SeTcbPrivilege 1892 5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe Token: SeDebugPrivilege 4848 1c322312 Token: SeTcbPrivilege 4848 1c322312
Processes
-
C:\Users\Admin\AppData\Local\Temp\5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.exe"C:\Users\Admin\AppData\Local\Temp\5727da979c59dbe936cf5e6265f6c57ab08692299c47fd22463cb34e6e201fbc.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:1892
-
C:\Windows\Syswow64\1c322312C:\Windows\Syswow64\1c3223121⤵
- 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:4848
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1c322312
- Size 576KB
- SHA256 f77f9f1b0e798d846858f36a41186455438e31e21d5d574830c928e86da16b56
- MD5 335293ae9e4c1298ed58be035654e88c
- SHA1 8383ed5e999237fa8562f3882d910dabf01cc484
- SHA512 95d246768adf2a24b5c1e570d2f04c38dd5a23d51f2322beab6520f012117e3e16e1b15c2f1c7e520836feae69f6cb25e1e29cd69db6e551abe467baeb4c4124
- SSDEEP 6144:NcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:NSvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T13EC46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH