Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
29/07/2026, 01:18
Behavioral task
behavioral1
Sample
fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe
- Size 1.7MB
- Sample260729-bny18stsbx
- SHA256 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe
- MD5 f3a3acf02354ac9c3d9948ceaed808fe
- SHA1 e00a655bd8c273f8e91fe386135e332c8ecc5b5e
- SHA512 d9858f734929724ebf9d3284f41e050a5328bcaf6f90302b70edab74284bcc232b6e6dae6d816b117a2326e73fc6f4399052d1df59072ceef856b8d03109fd1d
- SSDEEP 24576:EvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:EHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T1D3858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5372 482f3e4 - 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 14 223.5.5.5 4892 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe Destination IP 1 114.114.114.114 4892 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe Destination IP 2 223.5.5.5 4892 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe Destination IP 12 114.114.114.114 4892 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 482f3e4 File created C:\Windows\SysWOW64\482f3e4 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 482f3e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 482f3e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 482f3e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 482f3e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 482f3e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 482f3e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 482f3e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 482f3e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 482f3e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 482f3e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 482f3e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 482f3e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 482f3e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 482f3e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 482f3e4 -
resource yara_rule behavioral2/memory/4892-0-0x0000000000B90000-0x0000000000C1C000-memory.dmp upx behavioral2/files/0x000d00000001c5d7-2.dat upx behavioral2/memory/5372-3-0x0000000000630000-0x00000000006BC000-memory.dmp upx behavioral2/memory/4892-12-0x0000000000B90000-0x0000000000C1C000-memory.dmp upx behavioral2/memory/5372-13-0x0000000000630000-0x00000000006BC000-memory.dmp upx behavioral2/memory/5372-37-0x0000000000630000-0x00000000006BC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5bf878 482f3e4 File opened for modification C:\Windows\53c0b8 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.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 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 482f3e4 - 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:" 482f3e4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 482f3e4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 482f3e4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 482f3e4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 482f3e4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 482f3e4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 482f3e4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 482f3e4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 482f3e4 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5372 482f3e4 5372 482f3e4 5372 482f3e4 5372 482f3e4 5372 482f3e4 5372 482f3e4 5372 482f3e4 5372 482f3e4 4892 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe 4892 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe 4892 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe 4892 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe 4892 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe 4892 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe 4892 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe 4892 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe 4892 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe 4892 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe 4892 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe 4892 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe 4892 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe 4892 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4892 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe Token: SeTcbPrivilege 4892 fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe Token: SeDebugPrivilege 5372 482f3e4 Token: SeTcbPrivilege 5372 482f3e4
Processes
-
C:\Users\Admin\AppData\Local\Temp\fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.exe"C:\Users\Admin\AppData\Local\Temp\fc3b286de33ff0aa762541c4acd13ee84e6c776f7933fefc0ddf24fd62de0afe.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:4892
-
C:\Windows\Syswow64\482f3e4C:\Windows\Syswow64\482f3e41⤵
- 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:5372
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:2508
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\482f3e4
- Size 1.7MB
- SHA256 3ada1ac28136b1191f982d608c961a4a7892d73ff5fd3f261af66102a9a5dd0f
- MD5 98e5378e54a3384a46cd91d075c175bc
- SHA1 6326394f7a0012d626af352af7da8c5ff46a308d
- SHA512 d6c922b5baeb1fc7394f6f976c6acff083d159c7a7083d5a2c9ee10a2241ff2beb17fb27b1c4900687b028e8b900dd09e1b645643710bdf68d6f9abe51bebbd6
- SSDEEP 24576:GvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:GHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T161858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH