Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
01/06/2026, 22:39
Behavioral task
behavioral1
Sample
6858eb728745de66c7a2d60591f94798421542e545220f7302a912e3f3d8def0.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 6858eb728745de66c7a2d60591f94798421542e545220f7302a912e3f3d8def0.exe
- Size 560KB
- Sample260601-2lbe9sgv2x
- SHA256 6858eb728745de66c7a2d60591f94798421542e545220f7302a912e3f3d8def0
- MD5 f748ddd0a57464bf30b674ada94899ec
- SHA1 152a40f3d04ac32ef1050209611d494d528a7d74
- SHA512 ce66a825726e2eb3fc624d9a24f8fb446e166e1d0a94b360715aa2248e1b36e479a9d3ffcf4c343915e14823bc6e5edbca645a07a640b70db5a56af83bddc6b4
- SSDEEP 6144:lWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRuy8K:lkCO2zVPX7vf1LKlIsOkxHy
- TLSH T116C47C29B690D076C4779574C4A187AAFAB1B432372449CFB3D00B5A1F237E2BA7530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2996 3f185150 - 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 1 114.114.114.114 5712 6858eb728745de66c7a2d60591f94798421542e545220f7302a912e3f3d8def0.exe Destination IP 2 223.5.5.5 5712 6858eb728745de66c7a2d60591f94798421542e545220f7302a912e3f3d8def0.exe Destination IP 17 114.114.114.114 5712 6858eb728745de66c7a2d60591f94798421542e545220f7302a912e3f3d8def0.exe Destination IP 19 223.5.5.5 5712 6858eb728745de66c7a2d60591f94798421542e545220f7302a912e3f3d8def0.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3f185150 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3f185150 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3f185150 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3f185150 File created C:\Windows\SysWOW64\3f185150 6858eb728745de66c7a2d60591f94798421542e545220f7302a912e3f3d8def0.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3f185150 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3f185150 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3f185150 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3f185150 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3f185150 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3f185150 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3f185150 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3f185150 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3f185150 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3f185150 -
resource yara_rule behavioral2/memory/5712-0-0x0000000000D00000-0x0000000000D8C000-memory.dmp upx behavioral2/files/0x000c00000002a053-2.dat upx behavioral2/memory/2996-4-0x0000000000270000-0x00000000002FC000-memory.dmp upx behavioral2/memory/5712-18-0x0000000000D00000-0x0000000000D8C000-memory.dmp upx behavioral2/memory/2996-19-0x0000000000270000-0x00000000002FC000-memory.dmp upx behavioral2/memory/2996-30-0x0000000000270000-0x00000000002FC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\334ae8 3f185150 File opened for modification C:\Windows\61caa0 6858eb728745de66c7a2d60591f94798421542e545220f7302a912e3f3d8def0.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 6858eb728745de66c7a2d60591f94798421542e545220f7302a912e3f3d8def0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3f185150 - 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 3f185150 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3f185150 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3f185150 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3f185150 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3f185150 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3f185150 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3f185150 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3f185150 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3f185150 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2996 3f185150 2996 3f185150 2996 3f185150 2996 3f185150 2996 3f185150 2996 3f185150 2996 3f185150 2996 3f185150 5712 6858eb728745de66c7a2d60591f94798421542e545220f7302a912e3f3d8def0.exe 5712 6858eb728745de66c7a2d60591f94798421542e545220f7302a912e3f3d8def0.exe 5712 6858eb728745de66c7a2d60591f94798421542e545220f7302a912e3f3d8def0.exe 5712 6858eb728745de66c7a2d60591f94798421542e545220f7302a912e3f3d8def0.exe 5712 6858eb728745de66c7a2d60591f94798421542e545220f7302a912e3f3d8def0.exe 5712 6858eb728745de66c7a2d60591f94798421542e545220f7302a912e3f3d8def0.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5712 6858eb728745de66c7a2d60591f94798421542e545220f7302a912e3f3d8def0.exe Token: SeTcbPrivilege 5712 6858eb728745de66c7a2d60591f94798421542e545220f7302a912e3f3d8def0.exe Token: SeDebugPrivilege 2996 3f185150 Token: SeTcbPrivilege 2996 3f185150
Processes
-
C:\Users\Admin\AppData\Local\Temp\6858eb728745de66c7a2d60591f94798421542e545220f7302a912e3f3d8def0.exe"C:\Users\Admin\AppData\Local\Temp\6858eb728745de66c7a2d60591f94798421542e545220f7302a912e3f3d8def0.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:5712
-
C:\Windows\Syswow64\3f185150C:\Windows\Syswow64\3f1851501⤵
- 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:2996
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3f185150
- Size 560KB
- SHA256 c97c5f782f4b76d3c21bfc7b0a3bd98db53d6bdb2c515763ecb7a9e33ed09012
- MD5 7892904a461bc4b8811a7e8e55d66968
- SHA1 bda7cf439e2e917c15996531214513cfd30ae090
- SHA512 a6933ed8bcde49916f40649d42224ba085f95face7d4ce2b15291e80af7d311dc29b77a05dec956126f195f28a86a643f5fed439fd756d68c293a6d5932e20ab
- SSDEEP 6144:TWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRuy8K:TkCO2zVPX7vf1LKlIsOkxHy
- TLSH T1ACC47C29B690D076C4779574C4A187AAFAB1B432372449CFB3D00B5A1F237E2BA7530E
- MD5 SHA1 SHA512 SSDEEP TLSH