Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 04:11
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-01_604bc9a31033ea9f0e396c2479e27f21_amadey_cobalt-strike_elex_floxif_luca-stealer_lynx_njrat.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
General
- Target 2026-08-01_604bc9a31033ea9f0e396c2479e27f21_amadey_cobalt-strike_elex_floxif_luca-stealer_lynx_njrat.exe
- Size 440KB
- Sample260802-er8avsvake
- SHA256 7dd1d122e83954d5018e21ec8630665e0cc6049e4f44347ae5654d239553477c
- MD5 604bc9a31033ea9f0e396c2479e27f21
- SHA1 f025e7abc20612fe617ccb49316d25f57ed69257
- SHA512 1080c0ca5543a96d8902fb6f66ecddb6da42dcc2520658b8b65a625a576dc8558e6bdde1b84f2d21eb8213524f2c346e48541a5c123be6e8e9717c34658a1508
- SSDEEP 12288:2/J+CtaxnjZpAbxdxDcWcn3YSeiw8xHgbYpjB8NO0qwxeWfF02/S0lqJqcZQCGmv:+e13+Y0DvfeUYqcZQCGm4YprEH7o
- TLSH T102A4AE10F840D2B6D0510570F6A49BF348ACAD79DB1A54C3F3D17DA67A389E2A33DB1A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x000d000000019cd9-1.dat floxif - UPX dump on OEP (original entry point) 3 IoCs
resource yara_rule behavioral2/files/0x000d000000019cd9-1.dat UPX behavioral2/memory/3576-3-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/3576-18-0x0000000010000000-0x0000000010030000-memory.dmp UPX - ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000d000000019cd9-1.dat acprotect - Loads dropped DLL 1 IoCs
pid Process 3576 2026-08-01_604bc9a31033ea9f0e396c2479e27f21_amadey_cobalt-strike_elex_floxif_luca-stealer_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: 2026-08-01_604bc9a31033ea9f0e396c2479e27f21_amadey_cobalt-strike_elex_floxif_luca-stealer_lynx_njrat.exe -
resource yara_rule behavioral2/files/0x000d000000019cd9-1.dat upx behavioral2/memory/3576-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3576-18-0x0000000010000000-0x0000000010030000-memory.dmp upx - Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2026-08-01_604bc9a31033ea9f0e396c2479e27f21_amadey_cobalt-strike_elex_floxif_luca-stealer_lynx_njrat.exe File created \??\c:\program files\common files\system\symsrv.dll.000 2026-08-01_604bc9a31033ea9f0e396c2479e27f21_amadey_cobalt-strike_elex_floxif_luca-stealer_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 2026-08-01_604bc9a31033ea9f0e396c2479e27f21_amadey_cobalt-strike_elex_floxif_luca-stealer_lynx_njrat.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3576 2026-08-01_604bc9a31033ea9f0e396c2479e27f21_amadey_cobalt-strike_elex_floxif_luca-stealer_lynx_njrat.exe 3576 2026-08-01_604bc9a31033ea9f0e396c2479e27f21_amadey_cobalt-strike_elex_floxif_luca-stealer_lynx_njrat.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3576 2026-08-01_604bc9a31033ea9f0e396c2479e27f21_amadey_cobalt-strike_elex_floxif_luca-stealer_lynx_njrat.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-01_604bc9a31033ea9f0e396c2479e27f21_amadey_cobalt-strike_elex_floxif_luca-stealer_lynx_njrat.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-01_604bc9a31033ea9f0e396c2479e27f21_amadey_cobalt-strike_elex_floxif_luca-stealer_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:3576
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