Analysis
- max time kernel
148s - 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
09/08/2026, 09:27
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe
- Size 1.6MB
- Sample260809-le3yyacp2y
- SHA256 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504
- MD5 5e4a5772d1ec56b1f20c23641d29e1dd
- SHA1 7328615bec669ba12b0b44443fdd8d7fc7ca6b25
- SHA512 623ab199aa85dc9bea87c00cfa8c38d4acce48b01f21bb169ca82b86c39c16eb860d94998aa226c8f44c022b3eac90ac0f1a2ad6a33c98d760f9794a6f9e323b
- SSDEEP 24576:uvO2xJKRI2FOkx2LFEvcUQPxuZ98Es8k3OH3C0rQ6+84FqoBsqMwLooSHazBvKRC:uHHKO29Qm5QZuTtS0rQM4PSxSFlv+a
- TLSH T161759E22E341C072D567117146BA0B7EA938BE62077495C7E3D4FD752F722E2AA3630E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5520 f1bb68ec - 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 4936 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe Destination IP 4 223.5.5.5 4936 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe Destination IP 13 114.114.114.114 4936 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe Destination IP 14 223.5.5.5 4936 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe - Drops file in System32 directory 11 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f1bb68ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f1bb68ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f1bb68ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f1bb68ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f1bb68ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f1bb68ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f1bb68ec File created C:\Windows\SysWOW64\f1bb68ec e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f1bb68ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f1bb68ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f1bb68ec - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5e8120 f1bb68ec File opened for modification C:\Windows\548190 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.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 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f1bb68ec - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f1bb68ec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f1bb68ec Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f1bb68ec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f1bb68ec Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f1bb68ec Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f1bb68ec Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f1bb68ec Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f1bb68ec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f1bb68ec - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5520 f1bb68ec 5520 f1bb68ec 5520 f1bb68ec 5520 f1bb68ec 5520 f1bb68ec 5520 f1bb68ec 5520 f1bb68ec 5520 f1bb68ec 4936 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe 4936 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe 4936 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe 4936 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe 4936 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe 4936 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe 4936 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe 4936 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe 4936 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe 4936 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe 4936 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe 4936 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe 4936 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe 4936 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4936 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe Token: SeTcbPrivilege 4936 e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe Token: SeDebugPrivilege 5520 f1bb68ec Token: SeTcbPrivilege 5520 f1bb68ec
Processes
-
C:\Users\Admin\AppData\Local\Temp\e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.exe"C:\Users\Admin\AppData\Local\Temp\e3fc656d8c08335f33c7a81181e260d68a6bec36d15883e6ae11124379365504.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:4936
-
C:\Windows\Syswow64\f1bb68ecC:\Windows\Syswow64\f1bb68ec1⤵
- 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:5520
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f1bb68ec
- Size 1.6MB
- SHA256 a8d5cfc85227fc35d6f9112441fd2eef94d41c9f1abf10d3ddc1081a7faf8c98
- MD5 d710f21f7a3c5174500d0a4fef04e181
- SHA1 d2356384d9d20597dfe648ea6650630eb0cad0d1
- SHA512 e614d52ff85869a5b3a91e53336c546ae5dec1f0a48ede676fc18a784773c9e6843bc13302a2e423210cf7e9869838f59f69a109c941f3a5ff858aa1fc6daaa2
- SSDEEP 24576:FvO2xJKRI2FOkx2LFEvcUQPxuZ98Es8k3OH3C0rQ6+84FqoBsqMwLooSHazBvKRC:FHHKO29Qm5QZuTtS0rQM4PSxSFlv+a
- TLSH T1BB759E22E341C072D567117146BA0B7EA938BE62077495C7E3D4FD752F722E2AA3630E
- MD5 SHA1 SHA512 SSDEEP TLSH