Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
26/08/2026, 21:26
Behavioral task
behavioral1
Sample
8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe
- Size 766KB
- Sample260826-1aj3labl2w
- SHA256 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2
- MD5 20cd6adf770ee53bc8f5de54b4b053c3
- SHA1 a830b5bbd9b22c9ab242644bab73368bee489f5c
- SHA512 e9c7e447b0b0b2781557ab1a137a5e51203d6b9194aecc056e4ef5dd2f88ae3fc8dc31c2f395dd2ef91f684ee8f26ff054deff29aac3735883c3f09486bd525f
- SSDEEP 12288:JSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:wvO2xJKRw2kOkx2LFRvcUV
- TLSH T12BF45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3136 e71cd586 - Unexpected DNS network traffic destination 6 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 3332 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe Destination IP 2 223.5.5.5 3332 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe Destination IP 41 114.114.114.114 3136 e71cd586 Destination IP 42 223.5.5.5 3332 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe Destination IP 44 114.114.114.114 3332 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe Destination IP 45 223.5.5.5 3332 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.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 e71cd586 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE e71cd586 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData e71cd586 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e71cd586 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content e71cd586 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e71cd586 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e71cd586 File created C:\Windows\SysWOW64\e71cd586 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 e71cd586 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies e71cd586 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 e71cd586 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft e71cd586 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache e71cd586 -
resource yara_rule behavioral2/memory/3332-0-0x00000000007E0000-0x000000000086C000-memory.dmp upx behavioral2/files/0x000d000000016cdc-2.dat upx behavioral2/memory/3136-4-0x0000000000A90000-0x0000000000B1C000-memory.dmp upx behavioral2/memory/3332-16-0x00000000007E0000-0x000000000086C000-memory.dmp upx behavioral2/memory/3136-17-0x0000000000A90000-0x0000000000B1C000-memory.dmp upx behavioral2/memory/3136-28-0x0000000000A90000-0x0000000000B1C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\35b080 e71cd586 File opened for modification C:\Windows\390b88 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.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 e71cd586 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.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 e71cd586 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" e71cd586 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" e71cd586 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ e71cd586 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" e71cd586 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" e71cd586 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" e71cd586 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" e71cd586 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing e71cd586 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3136 e71cd586 3136 e71cd586 3136 e71cd586 3136 e71cd586 3136 e71cd586 3136 e71cd586 3136 e71cd586 3136 e71cd586 3332 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe 3332 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe 3332 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe 3332 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe 3332 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe 3332 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe 3332 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe 3332 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe 3332 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe 3332 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe 3332 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe 3332 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe 3332 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe 3332 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3332 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe Token: SeTcbPrivilege 3332 8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe Token: SeDebugPrivilege 3136 e71cd586 Token: SeTcbPrivilege 3136 e71cd586
Processes
-
C:\Users\Admin\AppData\Local\Temp\8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.exe"C:\Users\Admin\AppData\Local\Temp\8ca968459aee97c473a88da00ff606558792fa8c32026b77e1e19f8938a9f7d2.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:3332
-
C:\Windows\Syswow64\e71cd586C:\Windows\Syswow64\e71cd5861⤵
- 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:3136
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\e71cd586
- Size 766KB
- SHA256 d3182ca59792e1ae18cc35a20343d74a59097150dcf0a9c3576740a9da3e4804
- MD5 1f357be484190d3a3c1c54975a5a9c91
- SHA1 3945468a65bee525143ad8724cf4c1f9c3d3d3a8
- SHA512 36ac2a86edf3ba694544383b51029e0f73c56db1aee9e1f2d4ad7bfb4ef5dbf55721fd7925377610b77cd03479b6d7d6c6f02055c4b126c6657b65b097206340
- SSDEEP 12288:LSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:+vO2xJKRw2kOkx2LFRvcUV
- TLSH T1D2F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH