Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
12/10/2026, 20:16
Behavioral task
behavioral1
Sample
b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe
- Size 830KB
- Sample261012-y1761aef48
- SHA256 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317
- MD5 31cb99528777f7ffc496d365708bca2d
- SHA1 ee3086f0fd3e05b2c962db00362b4fccfb869254
- SHA512 c6ce4157574db91f11fa76fb5e7234c8aa56c1606c4ffb1a8d1224ce519b7f8b522ec75773a0b25cea86d6ed64dfb76592289c3c958642ba0aa86f3a94d6fa08
- SSDEEP 12288:ZSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:gvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T178055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4792 9ac0241a - Unexpected DNS network traffic destination 26 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 144 114.114.114.114 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 145 223.5.5.5 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 321 114.114.114.114 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 322 223.5.5.5 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 2 223.5.5.5 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 35 114.114.114.114 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 36 223.5.5.5 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 89 114.114.114.114 4792 9ac0241a Destination IP 176 114.114.114.114 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 230 114.114.114.114 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 231 223.5.5.5 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 283 114.114.114.114 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 90 223.5.5.5 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 285 223.5.5.5 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 314 114.114.114.114 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 351 114.114.114.114 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 352 223.5.5.5 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 407 114.114.114.114 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 408 223.5.5.5 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 462 114.114.114.114 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 177 223.5.5.5 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 315 223.5.5.5 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 463 223.5.5.5 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 493 114.114.114.114 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 494 223.5.5.5 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Destination IP 1 114.114.114.114 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 9ac0241a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 9ac0241a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 9ac0241a File created C:\Windows\SysWOW64\9ac0241a b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 9ac0241a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 9ac0241a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 9ac0241a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 9ac0241a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 9ac0241a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 9ac0241a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 9ac0241a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 9ac0241a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 9ac0241a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9ac0241a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9ac0241a -
resource yara_rule behavioral2/memory/1752-0-0x0000000000260000-0x00000000002EC000-memory.dmp upx behavioral2/files/0x0007000000016b3a-2.dat upx behavioral2/memory/4792-3-0x0000000000680000-0x000000000070C000-memory.dmp upx behavioral2/memory/1752-20-0x0000000000260000-0x00000000002EC000-memory.dmp upx behavioral2/memory/4792-21-0x0000000000680000-0x000000000070C000-memory.dmp upx behavioral2/memory/4792-46-0x0000000000680000-0x000000000070C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\520a70 9ac0241a File opened for modification C:\Windows\1dfeb0 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.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 9ac0241a Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 9ac0241a - 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 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9ac0241a - 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:" 9ac0241a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 9ac0241a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 9ac0241a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 9ac0241a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 9ac0241a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 9ac0241a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 9ac0241a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 9ac0241a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 9ac0241a - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4792 9ac0241a 4792 9ac0241a 4792 9ac0241a 4792 9ac0241a 4792 9ac0241a 4792 9ac0241a 4792 9ac0241a 4792 9ac0241a 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Token: SeTcbPrivilege 1752 b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe Token: SeDebugPrivilege 4792 9ac0241a Token: SeTcbPrivilege 4792 9ac0241a
Processes
-
C:\Users\Admin\AppData\Local\Temp\b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.exe"C:\Users\Admin\AppData\Local\Temp\b2f18cbf8b81f9bca27a13fcee8aca236c35f2a4ada359bbc671b9b3655cb317.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:1752
-
C:\Windows\Syswow64\9ac0241aC:\Windows\Syswow64\9ac0241a1⤵
- 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:4792
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\9ac0241a
- Size 830KB
- SHA256 7a4a75ea589d3d2677abdc1a8613a89bec545b49ff8079bd1bd97ef08dff1be5
- MD5 b8e035f0e49135452e8f9d809902a908
- SHA1 7630ea6580c71425c47401d407d32ea5379a9fdf
- SHA512 33e7cd6ba37c27bd6f732f1e1ca53cd06e622dd24388bc12797e806482c40b54b227d35b912e8b99ebf6cf273392f0684e028bd72d51019774da4700131a44cd
- SSDEEP 12288:xSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:YvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T191055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH