Analysis
- max time kernel
150s - max time network
151s - 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, 22:53
Behavioral task
behavioral1
Sample
998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe
- Size 761KB
- Sample260816-2tz4layybx
- SHA256 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28
- MD5 b532c86223b309b7ade0675a16f54fee
- SHA1 4be3b698fc0aa932ec57b03027347a58fe770e17
- SHA512 f8ae10dd80fa930141f52b50e3352a6f9d563c3615ded97425d8550d0bbf10f068d095cac7bd263f0285e371bc1184e27a6fcee1eb539fd0b9ef60063e01e833
- SSDEEP 12288:fSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:qvO2xJKRw2kOkxSkW298B
- TLSH T16BF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5688 5719c570 - 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 2 223.5.5.5 1236 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe Destination IP 13 114.114.114.114 1236 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe Destination IP 14 223.5.5.5 1236 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe Destination IP 1 114.114.114.114 1236 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe - Drops file in System32 directory 5 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 5719c570 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 5719c570 File created C:\Windows\SysWOW64\5719c570 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 5719c570 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 5719c570 -
resource yara_rule behavioral2/memory/1236-0-0x0000000000070000-0x00000000000FC000-memory.dmp upx behavioral2/files/0x0006000000016b3a-2.dat upx behavioral2/memory/5688-3-0x0000000000D80000-0x0000000000E0C000-memory.dmp upx behavioral2/memory/1236-10-0x0000000000070000-0x00000000000FC000-memory.dmp upx behavioral2/memory/5688-11-0x0000000000D80000-0x0000000000E0C000-memory.dmp upx behavioral2/memory/5688-26-0x0000000000D80000-0x0000000000E0C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\616170 5719c570 File opened for modification C:\Windows\152928 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.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 5719c570 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.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 5719c570 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 5719c570 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 5719c570 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 5719c570 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 5719c570 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 5719c570 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 5719c570 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 5719c570 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 5719c570 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5688 5719c570 5688 5719c570 5688 5719c570 5688 5719c570 5688 5719c570 5688 5719c570 5688 5719c570 5688 5719c570 1236 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe 1236 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe 1236 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe 1236 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe 1236 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe 1236 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe 1236 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe 1236 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe 1236 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe 1236 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe 1236 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe 1236 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe 1236 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe 1236 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1236 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe Token: SeTcbPrivilege 1236 998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe Token: SeDebugPrivilege 5688 5719c570 Token: SeTcbPrivilege 5688 5719c570
Processes
-
C:\Users\Admin\AppData\Local\Temp\998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.exe"C:\Users\Admin\AppData\Local\Temp\998bad9cb1db72b28d1572586ef6a477e7f6eca2e2f2825de353b1559f392d28.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:1236
-
C:\Windows\Syswow64\5719c570C:\Windows\Syswow64\5719c5701⤵
- 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:5688
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\5719c570
- Size 761KB
- SHA256 130ffec106d5dbdfff4e1c8271c772f992c5fead5e68c72fb2feb005c280e28d
- MD5 be17a63c9244fe608d59669829d023b5
- SHA1 7e82095d7e3a1f735031bace668e6419757802a3
- SHA512 5a6cdafa166861120996beb49b782082ecd8db5c3077627f22f50f55ac434c614a9f948444c9f117c42ab0c2431b96cf6196bdcbdab8fe14e0679c50fbd65656
- SSDEEP 12288:tSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:svO2xJKRw2kOkxSkW298B
- TLSH T1E2F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH