Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/07/2026, 19:43
Behavioral task
behavioral1
Sample
312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe
- Size 525KB
- Sample260722-yfk6qsbe93
- SHA256 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa
- MD5 b6a6efb9c69d60d342b569417719024c
- SHA1 cba87974500cca2a5a605dfc6f9db0f2fd9057a1
- SHA512 d0268dcee647bac0e64e50620be55b7b3ba139f3053c1243588fe5cf0dda7ea2e8682161a2ed8b3d194e3043bf31c5f4416d2fbd4f7e6d469782bfcf5323d2c1
- SSDEEP 6144:4cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:4SvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T1F2B47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1216 4ac9ab66 - 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 4 114.114.114.114 3236 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe Destination IP 5 223.5.5.5 3236 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe Destination IP 13 114.114.114.114 3236 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe Destination IP 15 223.5.5.5 3236 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4ac9ab66 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4ac9ab66 File created C:\Windows\SysWOW64\4ac9ab66 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4ac9ab66 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4ac9ab66 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4ac9ab66 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4ac9ab66 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4ac9ab66 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4ac9ab66 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4ac9ab66 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4ac9ab66 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4ac9ab66 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4ac9ab66 -
resource yara_rule behavioral2/memory/3236-0-0x0000000000580000-0x000000000060C000-memory.dmp upx behavioral2/files/0x000d000000016cfd-2.dat upx behavioral2/memory/1216-3-0x0000000000760000-0x00000000007EC000-memory.dmp upx behavioral2/memory/3236-10-0x0000000000580000-0x000000000060C000-memory.dmp upx behavioral2/memory/1216-11-0x0000000000760000-0x00000000007EC000-memory.dmp upx behavioral2/memory/1216-33-0x0000000000760000-0x00000000007EC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3766c8 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe File opened for modification C:\Windows\14d180 4ac9ab66 - 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 4ac9ab66 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe - 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 4ac9ab66 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4ac9ab66 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4ac9ab66 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4ac9ab66 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4ac9ab66 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4ac9ab66 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4ac9ab66 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4ac9ab66 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4ac9ab66 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1216 4ac9ab66 1216 4ac9ab66 1216 4ac9ab66 1216 4ac9ab66 1216 4ac9ab66 1216 4ac9ab66 1216 4ac9ab66 1216 4ac9ab66 3236 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe 3236 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe 3236 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe 3236 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe 3236 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe 3236 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe 3236 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe 3236 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe 3236 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe 3236 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe 3236 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe 3236 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe 3236 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe 3236 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3236 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe Token: SeTcbPrivilege 3236 312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe Token: SeDebugPrivilege 1216 4ac9ab66 Token: SeTcbPrivilege 1216 4ac9ab66
Processes
-
C:\Users\Admin\AppData\Local\Temp\312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.exe"C:\Users\Admin\AppData\Local\Temp\312223258a0c0f7aef19a1ecea9cfa0ecf622644403b8241f3c93bb057d6d2aa.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:3236
-
C:\Windows\Syswow64\4ac9ab66C:\Windows\Syswow64\4ac9ab661⤵
- 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:1216
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4ac9ab66
- Size 525KB
- SHA256 6520f1271e725e6e9544714f1ac14bf106f156d015206e19e60b58a9f2edce4d
- MD5 a6ebf151a06d5416fd1bffb2912c4652
- SHA1 161121fd4364414f14fff1236d2d38eb345f77e9
- SHA512 59e4c15e6e84dcf0cbc635eb1979ff3d8ee63f23d8169f4f9f698e3a4bbdd2c701617d0fb31f2074baa88d896e15e10d1a858f2e5013b7a4b9787adb22f63c2e
- SSDEEP 6144:HcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:HSvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T1AFB47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH