Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
27/05/2026, 14:05
Behavioral task
behavioral1
Sample
a92d420ec832a5ccd05d90f3d665427baba94c64333a02369096f658cffe407b.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target a92d420ec832a5ccd05d90f3d665427baba94c64333a02369096f658cffe407b.exe
- Size 761KB
- Sample260527-rd2mdafv6j
- SHA256 a92d420ec832a5ccd05d90f3d665427baba94c64333a02369096f658cffe407b
- MD5 eb26687c3719331532236bd181f72603
- SHA1 a8e6292a063a09382ef7b4cdf878471b7e2b2b33
- SHA512 dd39ea9cdbc9fa5545d4e33f064d3d55d81a9cc3b7d33e18c3611c165df2decb345a2caabab36c4613f1cb37e19e3d0b0da81ad06ef9e00d14deb12077d4aafd
- SSDEEP 12288:DSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:2vO2xJKRw2kOkxSkW298B
- TLSH T197F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3248 90f35303 - 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 52 223.5.5.5 2848 a92d420ec832a5ccd05d90f3d665427baba94c64333a02369096f658cffe407b.exe Destination IP 3 114.114.114.114 2848 a92d420ec832a5ccd05d90f3d665427baba94c64333a02369096f658cffe407b.exe Destination IP 4 223.5.5.5 2848 a92d420ec832a5ccd05d90f3d665427baba94c64333a02369096f658cffe407b.exe Destination IP 51 114.114.114.114 2848 a92d420ec832a5ccd05d90f3d665427baba94c64333a02369096f658cffe407b.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 90f35303 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 90f35303 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 90f35303 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 90f35303 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 90f35303 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 90f35303 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 90f35303 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 90f35303 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 90f35303 File created C:\Windows\SysWOW64\90f35303 a92d420ec832a5ccd05d90f3d665427baba94c64333a02369096f658cffe407b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 90f35303 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 90f35303 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 90f35303 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 90f35303 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 90f35303 -
resource yara_rule behavioral1/memory/2848-0-0x00000000009A0000-0x0000000000A2C000-memory.dmp upx behavioral1/files/0x0016000000024314-2.dat upx behavioral1/memory/3248-7-0x0000000000890000-0x000000000091C000-memory.dmp upx behavioral1/memory/2848-13-0x00000000009A0000-0x0000000000A2C000-memory.dmp upx behavioral1/memory/3248-14-0x0000000000890000-0x000000000091C000-memory.dmp upx behavioral1/memory/3248-24-0x0000000000890000-0x000000000091C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\379b60 90f35303 File opened for modification C:\Windows\30c240 a92d420ec832a5ccd05d90f3d665427baba94c64333a02369096f658cffe407b.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 a92d420ec832a5ccd05d90f3d665427baba94c64333a02369096f658cffe407b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 90f35303 - 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\Content\CachePrefix 90f35303 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 90f35303 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 90f35303 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 90f35303 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 90f35303 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 90f35303 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 90f35303 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 90f35303 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 90f35303 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3248 90f35303 3248 90f35303 3248 90f35303 3248 90f35303 3248 90f35303 3248 90f35303 3248 90f35303 3248 90f35303 2848 a92d420ec832a5ccd05d90f3d665427baba94c64333a02369096f658cffe407b.exe 2848 a92d420ec832a5ccd05d90f3d665427baba94c64333a02369096f658cffe407b.exe 2848 a92d420ec832a5ccd05d90f3d665427baba94c64333a02369096f658cffe407b.exe 2848 a92d420ec832a5ccd05d90f3d665427baba94c64333a02369096f658cffe407b.exe 2848 a92d420ec832a5ccd05d90f3d665427baba94c64333a02369096f658cffe407b.exe 2848 a92d420ec832a5ccd05d90f3d665427baba94c64333a02369096f658cffe407b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2848 a92d420ec832a5ccd05d90f3d665427baba94c64333a02369096f658cffe407b.exe Token: SeTcbPrivilege 2848 a92d420ec832a5ccd05d90f3d665427baba94c64333a02369096f658cffe407b.exe Token: SeDebugPrivilege 3248 90f35303 Token: SeTcbPrivilege 3248 90f35303
Processes
-
C:\Users\Admin\AppData\Local\Temp\a92d420ec832a5ccd05d90f3d665427baba94c64333a02369096f658cffe407b.exe"C:\Users\Admin\AppData\Local\Temp\a92d420ec832a5ccd05d90f3d665427baba94c64333a02369096f658cffe407b.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:2848
-
C:\Windows\Syswow64\90f35303C:\Windows\Syswow64\90f353031⤵
- 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:3248
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\90f35303
- Size 761KB
- SHA256 65cd376ad10a128ffa344b39453904e56067624836d05dbb46651883dbdf04cf
- MD5 5996b5cd18d22e944a1b8a5d0e2faa8e
- SHA1 aa624e3263d68e99c9ef3d74e88f8e065a3148b5
- SHA512 09ee992fea2ea920e992641417e72065913da4dee35741d09b65db77de21155416d79f0be879a9ad67d4081ccb2555c416e5d0258c810e09fc6a5e27e80e0c60
- SSDEEP 12288:KSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:RvO2xJKRw2kOkxSkW298B
- TLSH T1CCF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH