Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
20/07/2026, 03:51
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
fcf82b890a7f4a527327b05879ed30b192664fe14320483dae80a6bc6e8a45c0.dll
Resource
win10v2004-20260513-en
10 signatures
150 seconds
General
- Target fcf82b890a7f4a527327b05879ed30b192664fe14320483dae80a6bc6e8a45c0.dll
- Size 216KB
- Sample260720-eellbsg13z
- SHA256 fcf82b890a7f4a527327b05879ed30b192664fe14320483dae80a6bc6e8a45c0
- MD5 407d7211613a272fd2e995eac1002758
- SHA1 0d8e59e9f156ac714b62d6583683176576aab5d1
- SHA512 706699ea0a20af63db5b004989bc2c497934aa7998121ca0a10940ea192740935e0b145d987af80bb9d291e850a5d3f3dcd31113e6afe2e7f76a6f2fd3ed6690
- SSDEEP 3072:izRk6Z46S0K4KAakQXMVRAgv7TA+XImL2lQBV+UdE+rECWp7hK/TcN:IC66r0GAavXMVfziqBV+UdvrEFp7hKoN
- TLSH T1CB24BF123281C3F5C19A1439352AD7214AFAA63D07FA94C7FB1129F95F2C6D3A67930E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Floxif payload 1 IoCs
resource yara_rule behavioral1/files/0x001800000001db66-3.dat floxif - Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x001800000001db66-3.dat acprotect - Loads dropped DLL 2 IoCs
pid Process 4608 rundll32.exe 4608 rundll32.exe -
resource yara_rule behavioral1/files/0x001800000001db66-3.dat upx behavioral1/memory/4608-7-0x0000000002D60000-0x0000000002D90000-memory.dmp upx behavioral1/memory/4608-6-0x0000000002D60000-0x0000000002D90000-memory.dmp upx behavioral1/memory/4608-10-0x0000000002D60000-0x0000000002D90000-memory.dmp upx - Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll rundll32.exe - System Location Discovery: System Language Discovery 1 TTPs 1 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 rundll32.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4608 rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 540 wrote to memory of 4608 540 rundll32.exe 84
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\fcf82b890a7f4a527327b05879ed30b192664fe14320483dae80a6bc6e8a45c0.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:540 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\fcf82b890a7f4a527327b05879ed30b192664fe14320483dae80a6bc6e8a45c0.dll,#12⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4608
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\Common Files\System\symsrv.dll
- Size 67KB
- SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
- MD5 7574cf2c64f35161ab1292e2f532aabf
- SHA1 14ba3fa927a06224dfe587014299e834def4644f
- SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
- SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZL:c8y93KQjy7G55riF1cMo03V
- TLSH T17863F1372AB5807DDD210D37949F835AB771E5A76C20643FC25907D988B8DD0E3239AE
- MD5 SHA1 SHA512 SSDEEP TLSH