Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 05:08
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-09_a51c67a4c77faba008cdabdcda6e9a76_amadey_cobalt-strike_elex_floxif_hellokitty_luca-stealer_njrat_play.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
General
- Target 2026-08-09_a51c67a4c77faba008cdabdcda6e9a76_amadey_cobalt-strike_elex_floxif_hellokitty_luca-stealer_njrat_play.exe
- Size 328KB
- Sample260809-fsn42st1fs
- SHA256 57ac3880463475cf4a20c448653712c0c2d65c7998fa37c360dfce62d575615c
- MD5 a51c67a4c77faba008cdabdcda6e9a76
- SHA1 a5bc2cc424b5a23997cab9909754e85797608ddf
- SHA512 a5dfea514a2e6e14e7b3181fc5475f26a53c85d975cb6c1013e6df256f5c7fb6909ce0cac8670984391a419e979bf508f77b8ff0e8e2428093f7b9fc76c8bff6
- SSDEEP 6144:hdWitx/htEaUstVkfjhulqATR3g0Og85Ip+YvacEAXBBV+UdvrEFp7hKW:hdWitxwstBqAl3g0V85i+pcEAXBBjvrs
- TLSH T11864F14031C0C7FEE5345D36306875505AF8FD3D0A2A8E9FA35414AA5F7CA925A2AE3F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x000b00000001b315-1.dat floxif - UPX dump on OEP (original entry point) 3 IoCs
resource yara_rule behavioral2/files/0x000b00000001b315-1.dat UPX behavioral2/memory/3728-4-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/3728-8-0x0000000010000000-0x0000000010030000-memory.dmp UPX - ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000b00000001b315-1.dat acprotect - Loads dropped DLL 1 IoCs
pid Process 3728 2026-08-09_a51c67a4c77faba008cdabdcda6e9a76_amadey_cobalt-strike_elex_floxif_hellokitty_luca-stealer_njrat_play.exe -
resource yara_rule behavioral2/files/0x000b00000001b315-1.dat upx behavioral2/memory/3728-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3728-8-0x0000000010000000-0x0000000010030000-memory.dmp upx - Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2026-08-09_a51c67a4c77faba008cdabdcda6e9a76_amadey_cobalt-strike_elex_floxif_hellokitty_luca-stealer_njrat_play.exe - Program crash 1 IoCs
pid pid_target Process procid_target 4920 3728 WerFault.exe 87 - 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 2026-08-09_a51c67a4c77faba008cdabdcda6e9a76_amadey_cobalt-strike_elex_floxif_hellokitty_luca-stealer_njrat_play.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3728 2026-08-09_a51c67a4c77faba008cdabdcda6e9a76_amadey_cobalt-strike_elex_floxif_hellokitty_luca-stealer_njrat_play.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-09_a51c67a4c77faba008cdabdcda6e9a76_amadey_cobalt-strike_elex_floxif_hellokitty_luca-stealer_njrat_play.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_a51c67a4c77faba008cdabdcda6e9a76_amadey_cobalt-strike_elex_floxif_hellokitty_luca-stealer_njrat_play.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3728 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3728 -s 4322⤵
- Program crash
PID:4920
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3728 -ip 37281⤵PID:1300
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