Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/08/2026, 23:52
Behavioral task
behavioral1
Sample
996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe
- Size 1.7MB
- Sample260808-3wplbazzb1
- SHA256 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f
- MD5 9b05cc4bcd8719ac0454c390360499a4
- SHA1 aba7da5fea7bcfef025290e1f202fcb855675936
- SHA512 ff5c54f0f36913d3888224eb7d25cdceb5c8b8739efddfcffac1c7fe1096b12360706d36a86f3ac41b050e40417c1b84cdfc33f969e27dcaf1051d89424a20ec
- SSDEEP 24576:BvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:BHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T140858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2028 f3b3aec8 - 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 4064 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe Destination IP 4 223.5.5.5 4064 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe Destination IP 22 114.114.114.114 4064 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe Destination IP 23 223.5.5.5 4064 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f3b3aec8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f3b3aec8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f3b3aec8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f3b3aec8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f3b3aec8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f3b3aec8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f3b3aec8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f3b3aec8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f3b3aec8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f3b3aec8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f3b3aec8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f3b3aec8 File created C:\Windows\SysWOW64\f3b3aec8 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f3b3aec8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f3b3aec8 -
resource yara_rule behavioral2/memory/4064-0-0x0000000000AB0000-0x0000000000B3C000-memory.dmp upx behavioral2/files/0x000700000001b83c-2.dat upx behavioral2/memory/2028-3-0x0000000000BA0000-0x0000000000C2C000-memory.dmp upx behavioral2/memory/4064-10-0x0000000000AB0000-0x0000000000B3C000-memory.dmp upx behavioral2/memory/2028-11-0x0000000000BA0000-0x0000000000C2C000-memory.dmp upx behavioral2/memory/2028-33-0x0000000000BA0000-0x0000000000C2C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\22b858 f3b3aec8 File opened for modification C:\Windows\4593c0 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.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 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f3b3aec8 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f3b3aec8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f3b3aec8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f3b3aec8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f3b3aec8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f3b3aec8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f3b3aec8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f3b3aec8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f3b3aec8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f3b3aec8 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2028 f3b3aec8 2028 f3b3aec8 2028 f3b3aec8 2028 f3b3aec8 2028 f3b3aec8 2028 f3b3aec8 2028 f3b3aec8 2028 f3b3aec8 4064 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe 4064 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe 4064 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe 4064 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe 4064 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe 4064 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe 4064 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe 4064 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe 4064 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe 4064 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe 4064 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe 4064 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe 4064 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe 4064 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4064 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe Token: SeTcbPrivilege 4064 996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe Token: SeDebugPrivilege 2028 f3b3aec8 Token: SeTcbPrivilege 2028 f3b3aec8
Processes
-
C:\Users\Admin\AppData\Local\Temp\996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.exe"C:\Users\Admin\AppData\Local\Temp\996d77f4894ba64736565f95ea453d9b02eeadcb2155d468e20ac91ba8a4522f.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:4064
-
C:\Windows\Syswow64\f3b3aec8C:\Windows\Syswow64\f3b3aec81⤵
- 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:2028
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f3b3aec8
- Size 1.7MB
- SHA256 9f694b86e4bfcd6c72275d51d04857b6d29b76775996bb8f619092e01e41b143
- MD5 36fe7e120df9b48231af0b3860d91302
- SHA1 5f1a50e55f039c3f3e0553185234777198ce2d44
- SHA512 423b04996c990185bd00e2f8583c627a4bdbb43e3ee2832874483c231c908e89c705b71ae707ac5854a34569355115c91659cfe1597587ddd1a04e103f63422e
- SSDEEP 24576:3vO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:3HHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T177858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH