Analysis
- max time kernel
148s - max time network
115s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
13/08/2026, 15:00
Static task
static1
Behavioral task
behavioral1
Sample
2026-08-13_a952bb795b3cd63f777cebc2369a04e3_amadey_avoslocker_cobalt-strike_elex_floxif_lynx_njrat.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-08-13_a952bb795b3cd63f777cebc2369a04e3_amadey_avoslocker_cobalt-strike_elex_floxif_lynx_njrat.exe
Resource
win11ltsc2024-20260709-en
General
- Target 2026-08-13_a952bb795b3cd63f777cebc2369a04e3_amadey_avoslocker_cobalt-strike_elex_floxif_lynx_njrat.exe
- Size 665KB
- Sample260813-sdkvasbk9t
- SHA256 c8d72eda2ebffbdfca24f0804f555767e268d5d7b1cbc1bad68bec40975b6e65
- MD5 a952bb795b3cd63f777cebc2369a04e3
- SHA1 8949ebd080c8b82023a1239a47e852e3341ab3fa
- SHA512 0d72ae07b937aca4525b9a6c9180f7075f0a9c03ddfca9bc839d24eb4c2a1181508bb49406bcc3de98539d21b3ef00f5d4680c275a14ac9f6cd0be8a63aa98b1
- SSDEEP 12288:eCTlzyILlnj4YnVWqqPIBONhxsUe3zBjvrEH75g:eCTlxCj/xsUe3prEH75g
- TLSH T1B7E408E06240F65FF2C099336FD88B720979F92DC9CA915767802FAA59350F26736633
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x000a000000011390-1.dat floxif - UPX dump on OEP (original entry point) 3 IoCs
resource yara_rule behavioral2/files/0x000a000000011390-1.dat UPX behavioral2/memory/5676-3-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/5676-61-0x0000000010000000-0x0000000010030000-memory.dmp UPX - 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 behavioral2/files/0x000a000000011390-1.dat acprotect - Loads dropped DLL 1 IoCs
pid Process 5676 2026-08-13_a952bb795b3cd63f777cebc2369a04e3_amadey_avoslocker_cobalt-strike_elex_floxif_lynx_njrat.exe - Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\d: 2026-08-13_a952bb795b3cd63f777cebc2369a04e3_amadey_avoslocker_cobalt-strike_elex_floxif_lynx_njrat.exe -
resource yara_rule behavioral2/files/0x000a000000011390-1.dat upx behavioral2/memory/5676-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/5676-61-0x0000000010000000-0x0000000010030000-memory.dmp upx - Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2026-08-13_a952bb795b3cd63f777cebc2369a04e3_amadey_avoslocker_cobalt-strike_elex_floxif_lynx_njrat.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 2026-08-13_a952bb795b3cd63f777cebc2369a04e3_amadey_avoslocker_cobalt-strike_elex_floxif_lynx_njrat.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5676 2026-08-13_a952bb795b3cd63f777cebc2369a04e3_amadey_avoslocker_cobalt-strike_elex_floxif_lynx_njrat.exe 5676 2026-08-13_a952bb795b3cd63f777cebc2369a04e3_amadey_avoslocker_cobalt-strike_elex_floxif_lynx_njrat.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5676 2026-08-13_a952bb795b3cd63f777cebc2369a04e3_amadey_avoslocker_cobalt-strike_elex_floxif_lynx_njrat.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-13_a952bb795b3cd63f777cebc2369a04e3_amadey_avoslocker_cobalt-strike_elex_floxif_lynx_njrat.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-13_a952bb795b3cd63f777cebc2369a04e3_amadey_avoslocker_cobalt-strike_elex_floxif_lynx_njrat.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5676
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
- Path C:\Users\Admin\AppData\Local\Temp\log.txt
- Size 6KB
- SHA256 4f6a3f950b41ad749142b4db1fba49aa17723df57fd4a3425c68e9debf324643
- MD5 5f6ba41d9ebe5621013a699cfb845d84
- SHA1 ebde5b71b588e9f95dbeabca355a71acfbf88abd
- SHA512 dfd372a29f2f413104050d811bf4d51f35c6d08f76136a527724a46244932d92ad0c6eeda25190bb116bfa933bddf57764ac607e4fb50c4f7436f22e45ddb375
- SSDEEP 96:o6H9yU6++LLLLLLLLLLLLllllllllllaaaaaaEEEEEEEEXXXXXXXXXxP:xK
- TLSH T13BD14FAF0FDF6FB70F6124B4A35C1063110021E2AD876F14299E744DAAD99B8E297DC7
- MD5 SHA1 SHA512 SSDEEP TLSH