Analysis
- max time kernel
148s - 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
16/08/2026, 14:00
Behavioral task
behavioral1
Sample
1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe
- Size 560KB
- Sample260816-rayfjscm21
- SHA256 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83
- MD5 81f10d6dae9329d18fb6a50c86620e88
- SHA1 a50b1d4153feb53f52257fd5f61a46c621b6ae8c
- SHA512 05e8c973b1a9ea4ee0c30463dadfef1a58baec82f9aa9adcc6f6413fb89f54a724723cf2b20809316f7e2fc003819fa0415e508954899c3333a569eb1dc8ba6c
- SSDEEP 6144:Cgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:CI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T18AC48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2816 4fc7e199 - 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 20 223.5.5.5 1468 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe Destination IP 1 114.114.114.114 1468 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe Destination IP 4 223.5.5.5 1468 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe Destination IP 19 114.114.114.114 1468 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\4fc7e199 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4fc7e199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4fc7e199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4fc7e199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4fc7e199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4fc7e199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4fc7e199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4fc7e199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4fc7e199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4fc7e199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4fc7e199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4fc7e199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4fc7e199 -
resource yara_rule behavioral2/memory/1468-0-0x0000000000D40000-0x0000000000DCC000-memory.dmp upx behavioral2/files/0x000b000000011377-2.dat upx behavioral2/memory/2816-4-0x0000000000980000-0x0000000000A0C000-memory.dmp upx behavioral2/memory/1468-16-0x0000000000D40000-0x0000000000DCC000-memory.dmp upx behavioral2/memory/2816-17-0x0000000000980000-0x0000000000A0C000-memory.dmp upx behavioral2/memory/2816-32-0x0000000000980000-0x0000000000A0C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\303600 4fc7e199 File opened for modification C:\Windows\1921f8 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.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 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4fc7e199 - 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" 4fc7e199 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4fc7e199 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4fc7e199 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4fc7e199 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4fc7e199 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 4fc7e199 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4fc7e199 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4fc7e199 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4fc7e199 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2816 4fc7e199 2816 4fc7e199 2816 4fc7e199 2816 4fc7e199 2816 4fc7e199 2816 4fc7e199 2816 4fc7e199 2816 4fc7e199 1468 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe 1468 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe 1468 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe 1468 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe 1468 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe 1468 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe 1468 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe 1468 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe 1468 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe 1468 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe 1468 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe 1468 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe 1468 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe 1468 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1468 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe Token: SeTcbPrivilege 1468 1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe Token: SeDebugPrivilege 2816 4fc7e199 Token: SeTcbPrivilege 2816 4fc7e199
Processes
-
C:\Users\Admin\AppData\Local\Temp\1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.exe"C:\Users\Admin\AppData\Local\Temp\1a40d11ba9748d1bd783b845f41e162edea897ae38158dc78e7f69ef1ee5ed83.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:1468
-
C:\Windows\Syswow64\4fc7e199C:\Windows\Syswow64\4fc7e1991⤵
- 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:2816
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\4fc7e199
- Size 560KB
- SHA256 3bb1114654f29e7cc4041b6555792e46d0cd4320d4cc6df29972ba96a2588397
- MD5 e1d4efdf0dd767ef688dedaf6f25c3f3
- SHA1 41c12209a40d28ff3e6b1d56d63fe1a3fa923a95
- SHA512 7f678c2c1f89a907e1feca3c3a774947f1cf0bbd7d401e0908fa3676fae00898cd93ab80c01338c97c330f50d1ca310f06bb02c39d657bf7f016f1ddb61876a5
- SSDEEP 6144:2gye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:2I7OE4kopQzNKFyLWDHsOkxHy
- TLSH T14FC48C2AB690C076C4B7D574C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH