Analysis
- max time kernel
148s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 13:10
Behavioral task
behavioral1
Sample
8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe
- Size 768KB
- Sample260802-qeezbsad57
- SHA256 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1
- MD5 98c9493350417cc9c043c15853323557
- SHA1 36099dfdfb576d396ddecf8a97f0bc9e6ebaeaca
- SHA512 8f379858f47193d813ea3ad15973b389910d7c9cc9e3249edb1c4d26c74216c3b8c46a670ba66d05adc25dc7a0d2eac5b869098e83aacfce392a24ea36830784
- SSDEEP 12288:EqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:EjHPOSOkx2LFscU6UQOJdT
- TLSH T13AF47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3452 43c3a58e - 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 15 114.114.114.114 1392 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe Destination IP 16 223.5.5.5 1392 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe Destination IP 1 114.114.114.114 1392 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe Destination IP 2 223.5.5.5 1392 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.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 43c3a58e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 43c3a58e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 43c3a58e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 43c3a58e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 43c3a58e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 43c3a58e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 43c3a58e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 43c3a58e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 43c3a58e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 43c3a58e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 43c3a58e File created C:\Windows\SysWOW64\43c3a58e 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 43c3a58e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 43c3a58e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 43c3a58e -
resource yara_rule behavioral2/memory/1392-0-0x0000000000770000-0x00000000007F9000-memory.dmp upx behavioral2/files/0x0008000000019ce0-2.dat upx behavioral2/memory/3452-4-0x0000000000BE0000-0x0000000000C69000-memory.dmp upx behavioral2/memory/1392-15-0x0000000000770000-0x00000000007F9000-memory.dmp upx behavioral2/memory/3452-17-0x0000000000BE0000-0x0000000000C69000-memory.dmp upx behavioral2/memory/1392-32-0x0000000000770000-0x00000000007F9000-memory.dmp upx behavioral2/memory/3452-33-0x0000000000BE0000-0x0000000000C69000-memory.dmp upx behavioral2/memory/1392-45-0x0000000000770000-0x00000000007F9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3b1978 43c3a58e File opened for modification C:\Windows\17d4e0 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.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 43c3a58e Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 43c3a58e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 43c3a58e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 43c3a58e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 43c3a58e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 43c3a58e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 43c3a58e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 43c3a58e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 43c3a58e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 43c3a58e - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3452 43c3a58e 3452 43c3a58e 3452 43c3a58e 3452 43c3a58e 3452 43c3a58e 3452 43c3a58e 3452 43c3a58e 3452 43c3a58e 1392 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe 1392 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe 1392 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe 1392 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe 1392 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe 1392 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe 1392 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe 1392 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe 1392 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe 1392 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe 1392 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe 1392 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe 1392 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe 1392 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1392 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe Token: SeTcbPrivilege 1392 8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe Token: SeDebugPrivilege 3452 43c3a58e Token: SeTcbPrivilege 3452 43c3a58e
Processes
-
C:\Users\Admin\AppData\Local\Temp\8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.exe"C:\Users\Admin\AppData\Local\Temp\8bcabaec59fa3d14b42bfd53869b284ca5ac6557058833c85ea161404dda16d1.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:1392
-
C:\Windows\Syswow64\43c3a58eC:\Windows\Syswow64\43c3a58e1⤵
- 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:3452
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\43c3a58e
- Size 768KB
- SHA256 b21c00c84d3c99f6eee4d2a97bb7a13cbbfeff7113ec42da2a78db77f7825873
- MD5 4e5a3e1515d53ad9259fdd8564e45f5a
- SHA1 70c89be2b88b2212712dd0b541feaea6cdffc918
- SHA512 30d9a0c3ccc972ec9b6892d67f3ca6203d826649aec14fb5ed5f0c48dfc2f888ffb2e72b68893828220e608a5b0716e975a6299f143a079b70ef9435882cf95f
- SSDEEP 12288:xqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:xjHPOSOkx2LFscU6UQOJdT
- TLSH T10EF47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH