Analysis
- max time kernel
149s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
05/08/2026, 01:02
Behavioral task
behavioral1
Sample
3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe
- Size 576KB
- Sample260805-bd7wdsbd34
- SHA256 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225
- MD5 2b516d2ad648ed0b1e805e15b3b08892
- SHA1 8592e4ec8513c1a427fa112dfef98de9c8a8a050
- SHA512 accf7f93194e8c5d5f5ed3bccc350bf9e69a075fe7ccef5b48d7f9c18837d22fbfaaffc25af950323e80932dbbfc2fa4a55eea98396b3fc6b1421a64e30e22fb
- SSDEEP 6144:bcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:bSvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T10DC46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4424 1840f9a2 - 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 3 114.114.114.114 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe Destination IP 8 223.5.5.5 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe Destination IP 19 114.114.114.114 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe Destination IP 20 223.5.5.5 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe Destination IP 59 114.114.114.114 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe Destination IP 60 223.5.5.5 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1840f9a2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1840f9a2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1840f9a2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1840f9a2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1840f9a2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1840f9a2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1840f9a2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1840f9a2 File created C:\Windows\SysWOW64\1840f9a2 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1840f9a2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1840f9a2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1840f9a2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1840f9a2 -
resource yara_rule behavioral2/memory/1200-0-0x0000000000600000-0x000000000068C000-memory.dmp upx behavioral2/files/0x00070000000187d5-2.dat upx behavioral2/memory/4424-3-0x0000000000D70000-0x0000000000DFC000-memory.dmp upx behavioral2/memory/1200-16-0x0000000000600000-0x000000000068C000-memory.dmp upx behavioral2/memory/4424-17-0x0000000000D70000-0x0000000000DFC000-memory.dmp upx behavioral2/memory/4424-32-0x0000000000D70000-0x0000000000DFC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4bbd90 1840f9a2 File opened for modification C:\Windows\148b60 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.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 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1840f9a2 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1840f9a2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1840f9a2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 1840f9a2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1840f9a2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1840f9a2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1840f9a2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1840f9a2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1840f9a2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1840f9a2 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4424 1840f9a2 4424 1840f9a2 4424 1840f9a2 4424 1840f9a2 4424 1840f9a2 4424 1840f9a2 4424 1840f9a2 4424 1840f9a2 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe Token: SeTcbPrivilege 1200 3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe Token: SeDebugPrivilege 4424 1840f9a2 Token: SeTcbPrivilege 4424 1840f9a2
Processes
-
C:\Users\Admin\AppData\Local\Temp\3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.exe"C:\Users\Admin\AppData\Local\Temp\3ec499d50649f19c2946054b93e605b2294e0afebb2ab964b234e9b834534225.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:1200
-
C:\Windows\Syswow64\1840f9a2C:\Windows\Syswow64\1840f9a21⤵
- 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:4424
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1840f9a2
- Size 576KB
- SHA256 1f202607ef482c676473b5378f2611e441a73a189830030837c5a5ee4b553556
- MD5 52b1487a3d65f76a85eccae2b426b260
- SHA1 b29e84755185a9c4a6beedd65b47af23adf5d126
- SHA512 d3cd81ebc598836582c50218b901c369a8f65e587ad5e15bf6d9e72c5465d127d1ab0a5d27208f942fe538f2bf921c4a698c8d84423000179432ba60ec3281d7
- SSDEEP 6144:UcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:USvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T1F4C46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH