Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/11/2026, 11:16
Behavioral task
behavioral1
Sample
Firebird-5.0.1.1469-0-windows-x64.exe
Resource
win10v2004-20260911-en
4 signatures
150 seconds
General
- Target Firebird-5.0.1.1469-0-windows-x64.exe
- Size 24.9MB
- Sample261107-nc9d2sxt3r
- SHA256 dba458a95de9c3a3b297d98601a10dcda95b63bfaee6f72ec4931d6c740bccde
- MD5 fad4e1d65cd066fc69ec89a924dae3af
- SHA1 98c507e8462d934b6030c63d8ad5cc2a89c79778
- SHA512 de7425d4de4d9a9b3d547aecd54b371429ba33022838e038db4348da245927d2069addd316ed55bf00cedbe89b44e299b907614b287cf41ffe548c88ec943bdf
- SSDEEP 786432:pU/ewvFgbVy4/kAIoeKiMIwrLXsJwJI3ASb5ySm8:pF4FgbVLv+nF3AE5Dm8
- TLSH T1FF47333BB268A53ED46E4B3246B3D760983B7691A85A8D1E17F0484CCF7B4701E3F616
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 988 Firebird-5.0.1.1469-0-windows-x64.tmp - 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 Firebird-5.0.1.1469-0-windows-x64.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Firebird-5.0.1.1469-0-windows-x64.tmp - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral2/memory/4756-0-0x0000000000400000-0x00000000004CC000-memory.dmp innosetup behavioral2/memory/4756-8-0x0000000000400000-0x00000000004CC000-memory.dmp innosetup - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4756 wrote to memory of 988 4756 Firebird-5.0.1.1469-0-windows-x64.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\Firebird-5.0.1.1469-0-windows-x64.exe"C:\Users\Admin\AppData\Local\Temp\Firebird-5.0.1.1469-0-windows-x64.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4756 -
C:\Users\Admin\AppData\Local\Temp\is-23H11.tmp\Firebird-5.0.1.1469-0-windows-x64.tmp"C:\Users\Admin\AppData\Local\Temp\is-23H11.tmp\Firebird-5.0.1.1469-0-windows-x64.tmp" /SL5="$7021E,25235576,780800,C:\Users\Admin\AppData\Local\Temp\Firebird-5.0.1.1469-0-windows-x64.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:988
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-23H11.tmp\Firebird-5.0.1.1469-0-windows-x64.tmp
- Size 2.9MB
- SHA256 41c23ce17cf15c9eec108c379e3ab9588143938b5ed5f38a0480da704d23fde0
- MD5 87bdcd924b3de22b2d64783ebffb4bbe
- SHA1 177e9def0c185f52ced471b35f9c256ea1dc3293
- SHA512 d7794112eabe3ca24e86e7daad8e01625f830bb9b613a06bf5865402b5e214320f3b1b3ab5f93c9293a4368fadaa178f520d3cb88be590d3029473a1069a57de
- SSDEEP 49152:fLJwSihjOb6GLb4SKEs3DyOMC2DlUt0+yO3A32ASNTvu:dwSi0b67zeCzt0+yO3kS
- TLSH T1DFD54A27F7887D3ED46B0B364A37C690983BB7627A128D575BF0090C8F355942E3EA46
- MD5 SHA1 SHA512 SSDEEP TLSH