Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
16/09/2026, 09:27
Behavioral task
behavioral1
Sample
b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe
- Size 640KB
- Sample260916-lez72shn91
- SHA256 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7
- MD5 3ddc49314e9a6da097c8de7345d3b9a7
- SHA1 168090c0e61d97fd754b7cf5e070f649f69c965f
- SHA512 6c6ca55001d6d066ed5c3028cfa399500de971a8400bbec1f257094394d36f8c89276a18205cbebcdb8f1588fd3be9207091b903f5fc65cd6cdbc9cf9fd823c7
- SSDEEP 6144:UcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:USvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T188D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4676 182acc1d - 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 13 114.114.114.114 4864 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe Destination IP 14 223.5.5.5 4864 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe Destination IP 1 114.114.114.114 4864 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe Destination IP 2 223.5.5.5 4864 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\182acc1d b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 182acc1d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 182acc1d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 182acc1d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 182acc1d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 182acc1d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 182acc1d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 182acc1d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 182acc1d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 182acc1d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 182acc1d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 182acc1d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 182acc1d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 182acc1d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 182acc1d -
resource yara_rule behavioral2/memory/4864-0-0x0000000000FF0000-0x000000000107C000-memory.dmp upx behavioral2/files/0x001100000001b8aa-2.dat upx behavioral2/memory/4676-3-0x0000000000850000-0x00000000008DC000-memory.dmp upx behavioral2/memory/4864-18-0x0000000000FF0000-0x000000000107C000-memory.dmp upx behavioral2/memory/4676-19-0x0000000000850000-0x00000000008DC000-memory.dmp upx behavioral2/memory/4676-34-0x0000000000850000-0x00000000008DC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\500e08 182acc1d File opened for modification C:\Windows\534600 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.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 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 182acc1d - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 182acc1d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 182acc1d Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 182acc1d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 182acc1d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 182acc1d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 182acc1d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 182acc1d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 182acc1d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 182acc1d - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4676 182acc1d 4676 182acc1d 4676 182acc1d 4676 182acc1d 4676 182acc1d 4676 182acc1d 4676 182acc1d 4676 182acc1d 4864 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe 4864 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe 4864 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe 4864 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe 4864 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe 4864 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe 4864 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe 4864 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe 4864 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe 4864 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe 4864 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe 4864 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe 4864 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe 4864 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4864 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe Token: SeTcbPrivilege 4864 b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe Token: SeDebugPrivilege 4676 182acc1d Token: SeTcbPrivilege 4676 182acc1d
Processes
-
C:\Users\Admin\AppData\Local\Temp\b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.exe"C:\Users\Admin\AppData\Local\Temp\b7ca7188214686802948198af507e650bf179e2a7e866677085a7add828e61e7.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:4864
-
C:\Windows\Syswow64\182acc1dC:\Windows\Syswow64\182acc1d1⤵
- 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:4676
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\182acc1d
- Size 640KB
- SHA256 ad0d0f5e7bd30b7b5c3fff82b56118083d83499ac69c293f9d0dcbda5d3b4c14
- MD5 bf54f3fff55b6a09f00976f87dbcd84c
- SHA1 8e3cc554fd46771382a1e40a71a90ec36798d06a
- SHA512 a4679b8fe0b3c95cc5390a48faaebd2c5bfecb7b0213c9a847571f19658c704a74f68c492b354520e934c56b7fec0b3c29c3383b1bc1e36effebf85be6f6cbb7
- SSDEEP 6144:XcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:XSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T18DD45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH