Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 22:01
Behavioral task
behavioral1
Sample
1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe
- Size 2.9MB
- Sample260809-1w89lsztbx
- SHA256 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1
- MD5 5a31e7f517f4e043e917cc70479961e0
- SHA1 46c14ad6ef95c5a1b2e68471edb6d9cddb8e9982
- SHA512 332678135cda4cce5d3097e7862116fccf5647a9f8a0ff676f1ec67d3999f7d57c20d9940f888801b0baee09ee45f9d381bf3d0297d77bd5381a3e84e1947e1d
- SSDEEP 49152:WHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:WnKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T13AD59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3368 6740a3f1 - 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 12 223.5.5.5 2012 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe Destination IP 1 114.114.114.114 2012 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe Destination IP 2 223.5.5.5 2012 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe Destination IP 11 114.114.114.114 2012 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 6740a3f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 6740a3f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 6740a3f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 6740a3f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 6740a3f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6740a3f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6740a3f1 File created C:\Windows\SysWOW64\6740a3f1 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 6740a3f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 6740a3f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6740a3f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6740a3f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 6740a3f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 6740a3f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 6740a3f1 -
resource yara_rule behavioral2/memory/2012-0-0x0000000000510000-0x000000000059C000-memory.dmp upx behavioral2/files/0x000d000000016ce7-2.dat upx behavioral2/memory/3368-3-0x0000000000030000-0x00000000000BC000-memory.dmp upx behavioral2/memory/2012-10-0x0000000000510000-0x000000000059C000-memory.dmp upx behavioral2/memory/3368-11-0x0000000000030000-0x00000000000BC000-memory.dmp upx behavioral2/memory/3368-34-0x0000000000030000-0x00000000000BC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\39a950 6740a3f1 File opened for modification C:\Windows\227238 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.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 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6740a3f1 - 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 6740a3f1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 6740a3f1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 6740a3f1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 6740a3f1 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 6740a3f1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 6740a3f1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 6740a3f1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 6740a3f1 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 6740a3f1 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3368 6740a3f1 3368 6740a3f1 3368 6740a3f1 3368 6740a3f1 3368 6740a3f1 3368 6740a3f1 3368 6740a3f1 3368 6740a3f1 2012 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe 2012 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe 2012 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe 2012 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe 2012 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe 2012 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe 2012 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe 2012 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe 2012 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe 2012 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe 2012 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe 2012 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe 2012 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe 2012 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2012 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe Token: SeTcbPrivilege 2012 1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe Token: SeDebugPrivilege 3368 6740a3f1 Token: SeTcbPrivilege 3368 6740a3f1
Processes
-
C:\Users\Admin\AppData\Local\Temp\1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.exe"C:\Users\Admin\AppData\Local\Temp\1d3c318a3495d4347cb6a86126d81a31e080347f2a7cef32ffb035b4ff6705a1.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:2012
-
C:\Windows\Syswow64\6740a3f1C:\Windows\Syswow64\6740a3f11⤵
- 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:3368
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\6740a3f1
- Size 2.9MB
- SHA256 0d54026d680e895fa87c8602b7112d0293be5fa723ce607b8e135d7c1f658719
- MD5 20da2a8c48e18e4ad7b64ccf6c06e865
- SHA1 73e371268a6d9c434c31373141fc8a3c0ca12870
- SHA512 288ca1b74ca7e124789d74d2da38ffeffb12b963313cc3075026522cee499bd3d3251527dd7ea5c6fad4100528bccd958f71ff149b7ca1824b3f131f952d43e4
- SSDEEP 49152:QHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:QnKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T13ED59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH