Analysis
- max time kernel
149s - 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, 21:48
Behavioral task
behavioral1
Sample
3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe
- Size 766KB
- Sample260809-1n7e2swekd
- SHA256 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef
- MD5 5ceb18ef689fe92c23f713ce299280c3
- SHA1 c90dcd19f3af22ec3c78838b5fde075b6251bbb3
- SHA512 c3b245f004a18e42bd2e1e7be2e5a4a72759d4f6a6ed8c025385031bedd758ba4c69343242b34e2a1b4dac7d72a1506e3a9c4bc405d2371e7ebd5eaa816da260
- SSDEEP 12288:TSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:mvO2xJKRw2kOkx2LFRvcUV
- TLSH T133F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3480 1a8e4d4 - 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 5536 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe Destination IP 2 223.5.5.5 5536 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe Destination IP 30 114.114.114.114 5536 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe Destination IP 31 223.5.5.5 5536 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.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\Content.IE5 1a8e4d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1a8e4d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1a8e4d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1a8e4d4 File created C:\Windows\SysWOW64\1a8e4d4 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1a8e4d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1a8e4d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 1a8e4d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1a8e4d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1a8e4d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1a8e4d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1a8e4d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1a8e4d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1a8e4d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 1a8e4d4 -
resource yara_rule behavioral2/memory/5536-0-0x00000000002A0000-0x000000000032C000-memory.dmp upx behavioral2/files/0x000e00000001b1d0-2.dat upx behavioral2/memory/3480-3-0x0000000000D40000-0x0000000000DCC000-memory.dmp upx behavioral2/memory/5536-18-0x00000000002A0000-0x000000000032C000-memory.dmp upx behavioral2/memory/3480-19-0x0000000000D40000-0x0000000000DCC000-memory.dmp upx behavioral2/memory/3480-33-0x0000000000D40000-0x0000000000DCC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3b9430 1a8e4d4 File opened for modification C:\Windows\5ec740 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.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 1a8e4d4 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe - 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 1a8e4d4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1a8e4d4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1a8e4d4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1a8e4d4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1a8e4d4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1a8e4d4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1a8e4d4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1a8e4d4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1a8e4d4 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3480 1a8e4d4 3480 1a8e4d4 3480 1a8e4d4 3480 1a8e4d4 3480 1a8e4d4 3480 1a8e4d4 3480 1a8e4d4 3480 1a8e4d4 5536 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe 5536 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe 5536 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe 5536 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe 5536 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe 5536 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe 5536 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe 5536 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe 5536 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe 5536 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe 5536 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe 5536 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe 5536 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe 5536 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5536 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe Token: SeTcbPrivilege 5536 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe Token: SeDebugPrivilege 3480 1a8e4d4 Token: SeTcbPrivilege 3480 1a8e4d4
Processes
-
C:\Users\Admin\AppData\Local\Temp\3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe"C:\Users\Admin\AppData\Local\Temp\3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.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:5536
-
C:\Windows\Syswow64\1a8e4d4C:\Windows\Syswow64\1a8e4d41⤵
- 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:3480
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1a8e4d4
- Size 766KB
- SHA256 a3b3967000b0e02e47b6bd5fd65e5af461e534e1a150605b75ee9df6fa4c3500
- MD5 5f60255352935b85fd292c193e19bca6
- SHA1 f9c6559fcd57e19f620b34e6618fb0bcb90dad43
- SHA512 f84e93ba74b00ac54b71b00c687a3549050237bd627a229183dcd0e600dea48279a2ae93eb6f7e2a3615471e9b966d58542d7ea4c106ec62e8a04a3817f7fbea
- SSDEEP 12288:ASvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:bvO2xJKRw2kOkx2LFRvcUV
- TLSH T185F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH