Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
09/08/2026, 20:52
Behavioral task
behavioral1
Sample
86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe
- Size 1.4MB
- Sample260809-znrtxsdn2w
- SHA256 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537
- MD5 30f537506d93d4ce8d36463164634bbd
- SHA1 1ddb0a7ea761e6207df3b842590eec7256ceb2b2
- SHA512 bc9f245de190eb4a1e36aedf30a56112e102b376ac53337b389fed3f11e2115ef3893b001144a5f76caaf12b22a5f3639de627a524639611678c80c6f46998d4
- SSDEEP 24576:jjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:jTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T1E1658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2576 16410910 - 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 3 114.114.114.114 4572 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe Destination IP 4 223.5.5.5 4572 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe Destination IP 30 114.114.114.114 4572 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe Destination IP 32 223.5.5.5 4572 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 16410910 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 16410910 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 16410910 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 16410910 File created C:\Windows\SysWOW64\16410910 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 16410910 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 16410910 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 16410910 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 16410910 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 16410910 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 16410910 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 16410910 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 16410910 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 16410910 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 16410910 -
resource yara_rule behavioral1/memory/4572-0-0x0000000000950000-0x00000000009D9000-memory.dmp upx behavioral1/files/0x000c000000024269-2.dat upx behavioral1/memory/2576-4-0x0000000000500000-0x0000000000589000-memory.dmp upx behavioral1/memory/4572-10-0x0000000000950000-0x00000000009D9000-memory.dmp upx behavioral1/memory/2576-12-0x0000000000500000-0x0000000000589000-memory.dmp upx behavioral1/memory/4572-33-0x0000000000950000-0x00000000009D9000-memory.dmp upx behavioral1/memory/2576-34-0x0000000000500000-0x0000000000589000-memory.dmp upx behavioral1/memory/4572-45-0x0000000000950000-0x00000000009D9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2c1a20 16410910 File opened for modification C:\Windows\4e4638 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.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 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 16410910 - 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 16410910 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 16410910 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 16410910 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 16410910 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 16410910 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 16410910 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 16410910 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 16410910 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 16410910 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2576 16410910 2576 16410910 2576 16410910 2576 16410910 2576 16410910 2576 16410910 2576 16410910 2576 16410910 4572 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe 4572 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe 4572 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe 4572 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe 4572 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe 4572 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4572 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe Token: SeTcbPrivilege 4572 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe Token: SeDebugPrivilege 2576 16410910 Token: SeTcbPrivilege 2576 16410910
Processes
-
C:\Users\Admin\AppData\Local\Temp\86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe"C:\Users\Admin\AppData\Local\Temp\86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.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:4572
-
C:\Windows\Syswow64\16410910C:\Windows\Syswow64\164109101⤵
- 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:2576
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\16410910
- Size 1.4MB
- SHA256 e3b3f030024076fc0b3e26e28ead087c0f59858257e0aa366488281069646db9
- MD5 fe8f1dfbf8ce0ba1fd5a950ffae42c6e
- SHA1 5887aabed46ca077eaf0d65aede0610bd594ab94
- SHA512 a25f7f552a33273552149dd494b9dabff5567a00a88fcd7cf6fa5b2e40c65215835e1c70ee7acd8f422e415f3283bd86fad865d6d6ef4ee7886e6d740a4adc92
- SSDEEP 24576:jjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:jTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T1E7658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH