Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
29/09/2026, 20:38
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe
Resource
win10v2004-20260911-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe
Resource
win11ltsc2024-20260911-en
9 signatures
150 seconds
General
- Target f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe
- Size 511KB
- Sample260929-zer4bssydx
- SHA256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a
- MD5 aa08b9c83f9a53966842234fbdae2399
- SHA1 2cb7986981480a2b7478a0a5a68c03591a2346ea
- SHA512 87ecd3d9e75f30f94b71c06127af87884212e7efa178c6d070bdce9bbb4b6a3e6d31c7be37a8ae8de67a4ff7f898830f701e9df98f1b97ba6a84aadd4a7a096f
- SSDEEP 6144:YcTgav1cdCTuoPbgwmOLJvKRILSFvdFDcEOkCybEaQRXr9HNdvOax5Rv0:YSvO2x9mONvKRILSFnOkx2LIax5F0
- TLSH T101B45B26F6908036C4B34575C5F64BAAFAB4BC21631156CBA3943A6A1F737D2BD3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3924 1ed51b2a - 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 280 223.5.5.5 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Destination IP 460 223.5.5.5 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Destination IP 4 223.5.5.5 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Destination IP 40 114.114.114.114 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Destination IP 41 223.5.5.5 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Destination IP 96 223.5.5.5 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Destination IP 318 223.5.5.5 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Destination IP 404 223.5.5.5 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Destination IP 181 114.114.114.114 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Destination IP 182 223.5.5.5 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Destination IP 278 114.114.114.114 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Destination IP 459 114.114.114.114 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Destination IP 1 114.114.114.114 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Destination IP 235 114.114.114.114 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Destination IP 236 223.5.5.5 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Destination IP 317 114.114.114.114 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Destination IP 349 114.114.114.114 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Destination IP 350 223.5.5.5 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Destination IP 403 114.114.114.114 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Destination IP 94 114.114.114.114 3924 1ed51b2a Destination IP 149 114.114.114.114 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Destination IP 150 223.5.5.5 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1ed51b2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1ed51b2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1ed51b2a File created C:\Windows\SysWOW64\1ed51b2a f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1ed51b2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1ed51b2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1ed51b2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1ed51b2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1ed51b2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1ed51b2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1ed51b2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1ed51b2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1ed51b2a - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\432e28 1ed51b2a File opened for modification C:\Windows\37be70 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.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\Domain 1ed51b2a Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 1ed51b2a - 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 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1ed51b2a - 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:" 1ed51b2a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1ed51b2a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1ed51b2a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 1ed51b2a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1ed51b2a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1ed51b2a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1ed51b2a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1ed51b2a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1ed51b2a - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3924 1ed51b2a 3924 1ed51b2a 3924 1ed51b2a 3924 1ed51b2a 3924 1ed51b2a 3924 1ed51b2a 3924 1ed51b2a 3924 1ed51b2a 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Token: SeTcbPrivilege 3256 f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe Token: SeDebugPrivilege 3924 1ed51b2a Token: SeTcbPrivilege 3924 1ed51b2a
Processes
-
C:\Users\Admin\AppData\Local\Temp\f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.exe"C:\Users\Admin\AppData\Local\Temp\f4ed40da73cf5a461135e3eb39622c6a4107e2ea8e5976a63aa583fec7d2754a.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:3256
-
C:\Windows\Syswow64\1ed51b2aC:\Windows\Syswow64\1ed51b2a1⤵
- 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:3924
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1ed51b2a
- Size 511KB
- SHA256 9aca502363d563feb53449e782139e793496ba60632892639ac6255cd6f5b184
- MD5 21f5d1506f54dda28c29f24ca0c7debd
- SHA1 4f106896348bf1e95e9a61b7fdb7a60791750102
- SHA512 39ab63c69963ccb09fa950049adb1dd282c6d7ed82be252e570c5a98fb7462ab4599eb592e8ef27ff39c3f0b60729fa6c9b5eab5e5ff316ab289e6861d1524d1
- SSDEEP 6144:WcTgav1cdCTuoPbgwmOLJvKRILSFvdFDcEOkCybEaQRXr9HNdvOax5Rv0:WSvO2x9mONvKRILSFnOkx2LIax5F0
- TLSH T1D0B45C26F6908036C4B34575C5F64BAAFAB4BC21631156CBA3943A6A1F737D2BD3130E
- MD5 SHA1 SHA512 SSDEEP TLSH