Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/09/2026, 06:00
Behavioral task
behavioral1
Sample
a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe
- Size 2.9MB
- Sample260930-gqaz3ssemb
- SHA256 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909
- MD5 0a0187cc08149a2acb671ae1364c265c
- SHA1 3a50a135f1acc8fc21a1d8d7ca0611ef48749536
- SHA512 99ae743e8ae22c59088f11c3908029ca45c2d8518ea8ca324ea843807a82adf335a790e995e5393a8763600ab6128e3e6f59477db1177e958ab783e7ddac69f5
- SSDEEP 49152:wHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:wnKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T108D59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4224 645bb9c6 - Unexpected DNS network traffic destination 18 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 2 223.5.5.5 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe Destination IP 89 114.114.114.114 4224 645bb9c6 Destination IP 91 223.5.5.5 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe Destination IP 145 223.5.5.5 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe Destination IP 176 114.114.114.114 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe Destination IP 317 114.114.114.114 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe Destination IP 372 223.5.5.5 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe Destination IP 35 114.114.114.114 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe Destination IP 230 114.114.114.114 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe Destination IP 231 223.5.5.5 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe Destination IP 318 223.5.5.5 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe Destination IP 287 114.114.114.114 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe Destination IP 288 223.5.5.5 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe Destination IP 36 223.5.5.5 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe Destination IP 143 114.114.114.114 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe Destination IP 177 223.5.5.5 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe Destination IP 1 114.114.114.114 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe Destination IP 371 114.114.114.114 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.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 645bb9c6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 645bb9c6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 645bb9c6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 645bb9c6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 645bb9c6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 645bb9c6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 645bb9c6 File created C:\Windows\SysWOW64\645bb9c6 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 645bb9c6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 645bb9c6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 645bb9c6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 645bb9c6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 645bb9c6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 645bb9c6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 645bb9c6 -
resource yara_rule behavioral2/memory/1896-0-0x0000000000A60000-0x0000000000AEC000-memory.dmp upx behavioral2/files/0x000b000000019ca4-2.dat upx behavioral2/memory/4224-3-0x0000000000850000-0x00000000008DC000-memory.dmp upx behavioral2/memory/1896-20-0x0000000000A60000-0x0000000000AEC000-memory.dmp upx behavioral2/memory/4224-21-0x0000000000850000-0x00000000008DC000-memory.dmp upx behavioral2/memory/4224-42-0x0000000000850000-0x00000000008DC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\485100 645bb9c6 File opened for modification C:\Windows\2075d0 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.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 645bb9c6 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 645bb9c6 - 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 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 645bb9c6 - 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 645bb9c6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 645bb9c6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 645bb9c6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 645bb9c6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 645bb9c6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 645bb9c6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 645bb9c6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 645bb9c6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 645bb9c6 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4224 645bb9c6 4224 645bb9c6 4224 645bb9c6 4224 645bb9c6 4224 645bb9c6 4224 645bb9c6 4224 645bb9c6 4224 645bb9c6 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe Token: SeTcbPrivilege 1896 a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe Token: SeDebugPrivilege 4224 645bb9c6 Token: SeTcbPrivilege 4224 645bb9c6
Processes
-
C:\Users\Admin\AppData\Local\Temp\a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.exe"C:\Users\Admin\AppData\Local\Temp\a0f3be0fd474daf0217b1b61bb3d14e13a938591d6550a31784b08b60fb13909.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:1896
-
C:\Windows\Syswow64\645bb9c6C:\Windows\Syswow64\645bb9c61⤵
- 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:4224
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\645bb9c6
- Size 2.9MB
- SHA256 2afa90e329f6e78fb0b343405e70d40844e00570a2ee028e0b506e0049e7b145
- MD5 b9e67682fe2ed986711f566e35f6d47d
- SHA1 4cd48e092ed3758f914e12c565895bdc824d3f90
- SHA512 1580cdf3c1715a5f630496969bdbe4486156ffd5e6a0b6f17a0dd3e349becd195e8d4270e997707348fe738a5574b62b5b4dd3c4959cdfbfbd9c00cfec723897
- SSDEEP 49152:QHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:QnKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T185D59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH