Analysis
- max time kernel
148s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/10/2026, 07:57
Behavioral task
behavioral1
Sample
3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe
- Size 2.5MB
- Sample261002-jtbf5azyf1
- SHA256 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e
- MD5 9c7afe0596408b8add809f8d73d3bd96
- SHA1 98db7d5eecd67822021ec49d0d6748f7b2428687
- SHA512 c813f56f4b7380f875beb4819ac671cb15c43f6ff8faa8e4e9db8e71ffbec06fb172c01f59a5d3f5b1b9c5f0c8fe7414b37021ee818100b8ac89b585c7efb73c
- SSDEEP 49152:4HHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:4nKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T1EEC58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4040 4dea1de6 - Unexpected DNS network traffic destination 19 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 377 223.5.5.5 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe Destination IP 40 223.5.5.5 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe Destination IP 180 114.114.114.114 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe Destination IP 234 114.114.114.114 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe Destination IP 181 223.5.5.5 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe Destination IP 39 114.114.114.114 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe Destination IP 95 223.5.5.5 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe Destination IP 149 223.5.5.5 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe Destination IP 235 223.5.5.5 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe Destination IP 293 223.5.5.5 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe Destination IP 322 114.114.114.114 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe Destination IP 376 114.114.114.114 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe Destination IP 1 114.114.114.114 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe Destination IP 8 223.5.5.5 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe Destination IP 93 114.114.114.114 4040 4dea1de6 Destination IP 148 114.114.114.114 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe Destination IP 273 114.114.114.114 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe Destination IP 292 114.114.114.114 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe Destination IP 323 223.5.5.5 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4dea1de6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4dea1de6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4dea1de6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4dea1de6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4dea1de6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4dea1de6 File created C:\Windows\SysWOW64\4dea1de6 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4dea1de6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4dea1de6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4dea1de6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4dea1de6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4dea1de6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4dea1de6 -
resource yara_rule behavioral2/memory/2372-0-0x0000000000480000-0x000000000050C000-memory.dmp upx behavioral2/files/0x000700000001b6dd-4.dat upx behavioral2/memory/4040-3-0x0000000000C50000-0x0000000000CDC000-memory.dmp upx behavioral2/memory/2372-18-0x0000000000480000-0x000000000050C000-memory.dmp upx behavioral2/memory/4040-19-0x0000000000C50000-0x0000000000CDC000-memory.dmp upx behavioral2/memory/4040-40-0x0000000000C50000-0x0000000000CDC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\289c08 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe File opened for modification C:\Windows\452a90 4dea1de6 - 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\Hostname 4dea1de6 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 4dea1de6 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.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 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4dea1de6 - 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\History\CachePrefix = "Visited:" 4dea1de6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4dea1de6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4dea1de6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4dea1de6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4dea1de6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 4dea1de6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4dea1de6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4dea1de6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4dea1de6 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4040 4dea1de6 4040 4dea1de6 4040 4dea1de6 4040 4dea1de6 4040 4dea1de6 4040 4dea1de6 4040 4dea1de6 4040 4dea1de6 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe Token: SeTcbPrivilege 2372 3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe Token: SeDebugPrivilege 4040 4dea1de6 Token: SeTcbPrivilege 4040 4dea1de6
Processes
-
C:\Users\Admin\AppData\Local\Temp\3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.exe"C:\Users\Admin\AppData\Local\Temp\3bd8f524f04a2426b0139b01762f5d5a9da176b3529d7b0465d4f9a15292984e.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:2372
-
C:\Windows\Syswow64\4dea1de6C:\Windows\Syswow64\4dea1de61⤵
- 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:4040
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4dea1de6
- Size 2.5MB
- SHA256 2410215f8a7871eca1c52a068cfd4648ec35f1863caebfc4abbac4c1d43a9b5c
- MD5 24a46126f19ac8cbdfe61bb260534f79
- SHA1 8ba489dbd7845b3ff7f20b1105b27c28e9033f0d
- SHA512 84ac47b2cfbef20e957a91c1b0b49c33f9fd05356b11cf957231003952278a1d734fee315b8c41ceb74a50c6def3d0fcdc8ce5927d70939a1b4bc995c6a02a30
- SSDEEP 49152:5HHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:5nKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T1F5C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH