Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/08/2026, 00:01
Behavioral task
behavioral1
Sample
f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe
- Size 525KB
- Sample260831-abamfasclf
- SHA256 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c
- MD5 6254c474ecd035f769a329c3331c67e2
- SHA1 8daabafc97fece7da70cee248a3b23f893c05c69
- SHA512 33b46122b90403f91c857945abcfd4ba7fbb96b24333ef61a1494612056ea4c4f539bd763a9a38a9dda01918ec8d42ef0e72d9a9daaefc237a220425243b0469
- SSDEEP 6144:qcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:qSvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T150B47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1816 c4a330a0 - Unexpected DNS network traffic destination 18 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 323 223.5.5.5 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe Destination IP 376 114.114.114.114 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe Destination IP 4 223.5.5.5 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe Destination IP 96 223.5.5.5 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe Destination IP 101 114.114.114.114 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe Destination IP 164 114.114.114.114 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe Destination IP 292 114.114.114.114 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe Destination IP 377 223.5.5.5 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe Destination IP 235 114.114.114.114 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe Destination IP 293 223.5.5.5 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe Destination IP 2 114.114.114.114 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe Destination IP 40 114.114.114.114 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe Destination IP 41 223.5.5.5 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe Destination IP 95 114.114.114.114 1816 c4a330a0 Destination IP 103 223.5.5.5 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe Destination IP 165 223.5.5.5 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe Destination IP 236 223.5.5.5 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe Destination IP 322 114.114.114.114 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c4a330a0 File created C:\Windows\SysWOW64\c4a330a0 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c4a330a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c4a330a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c4a330a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c4a330a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c4a330a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c4a330a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c4a330a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c4a330a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c4a330a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c4a330a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c4a330a0 -
resource yara_rule behavioral2/memory/5248-0-0x0000000000B40000-0x0000000000BCC000-memory.dmp upx behavioral2/files/0x000d000000019cb1-2.dat upx behavioral2/memory/1816-3-0x0000000000310000-0x000000000039C000-memory.dmp upx behavioral2/memory/5248-16-0x0000000000B40000-0x0000000000BCC000-memory.dmp upx behavioral2/memory/1816-17-0x0000000000310000-0x000000000039C000-memory.dmp upx behavioral2/memory/1816-40-0x0000000000310000-0x000000000039C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1f1730 c4a330a0 File opened for modification C:\Windows\59d900 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.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 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c4a330a0 - 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 c4a330a0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c4a330a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c4a330a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c4a330a0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c4a330a0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c4a330a0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c4a330a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c4a330a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c4a330a0 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1816 c4a330a0 1816 c4a330a0 1816 c4a330a0 1816 c4a330a0 1816 c4a330a0 1816 c4a330a0 1816 c4a330a0 1816 c4a330a0 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe Token: SeTcbPrivilege 5248 f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe Token: SeDebugPrivilege 1816 c4a330a0 Token: SeTcbPrivilege 1816 c4a330a0
Processes
-
C:\Users\Admin\AppData\Local\Temp\f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.exe"C:\Users\Admin\AppData\Local\Temp\f408d870e551dd941234ab78a500013ce36da1c583e2fe66cc27185c76b22a0c.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:5248
-
C:\Windows\Syswow64\c4a330a0C:\Windows\Syswow64\c4a330a01⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:1816
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c4a330a0
- Size 525KB
- SHA256 dc9cf1277848944c109a48a69d48221a3bc3b9ef190bc8b06f71f3aa002d06f5
- MD5 584202b8fd13b5ab0e1071a4f8260bf1
- SHA1 ec07d987df1e06e7068503989a02ea0df0715759
- SHA512 b18769b93002ceab5787045f8b027421a6233ebcc1bddae2fde72795ce3c76c3c21100b42bcd4207843a244747f9ab656458cfdba32a763170c88ca8fa45d3b9
- SSDEEP 6144:wcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:wSvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T132B47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH