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Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05/01/2025, 00:26
Static task
static1
Behavioral task
behavioral1
Sample
2025-01-05_c60c7f9b5d9c86e94fa99ec4cdb3919e_avoslocker_floxif_luca-stealer.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-01-05_c60c7f9b5d9c86e94fa99ec4cdb3919e_avoslocker_floxif_luca-stealer.exe
Resource
win10v2004-20241007-en
General
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Target
2025-01-05_c60c7f9b5d9c86e94fa99ec4cdb3919e_avoslocker_floxif_luca-stealer.exe
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Size
7.4MB
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MD5
c60c7f9b5d9c86e94fa99ec4cdb3919e
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SHA1
10809861023ca5aab48ee8ad993da04a8114cb27
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SHA256
c3361c770fbd39d23028233384972993ce8926521767555858742d42930cc0bc
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SHA512
ffd568f2f4300e9428cb856d5f18a246648ce250f3f0f0e97ec3a8fff4081f0b710fc92a8616105bc83ce66154c493f91f8e20166da248dec64fca330128dc74
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SSDEEP
98304:sz16s9EwkidrwQwPNz9u/ZZmDZJErbXQbZT7wIX02t:sz16gBrd3Eu/XmDZib0tt
Malware Config
Signatures
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Floxif family
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x0010000000023b7d-1.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.
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x0010000000023b7d-1.dat acprotect -
Loads dropped DLL 5 IoCs
pid Process 3744 2025-01-05_c60c7f9b5d9c86e94fa99ec4cdb3919e_avoslocker_floxif_luca-stealer.exe 1480 WerFault.exe 404 WerFault.exe 3184 WerFault.exe 5084 WerFault.exe -
resource yara_rule behavioral2/files/0x0010000000023b7d-1.dat upx behavioral2/memory/3744-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3744-11-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2025-01-05_c60c7f9b5d9c86e94fa99ec4cdb3919e_avoslocker_floxif_luca-stealer.exe -
Program crash 5 IoCs
pid pid_target Process procid_target 2316 3744 WerFault.exe 81 4652 3744 WerFault.exe 81 976 3744 WerFault.exe 81 404 3744 WerFault.exe 81 5084 3744 WerFault.exe 81 -
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 2025-01-05_c60c7f9b5d9c86e94fa99ec4cdb3919e_avoslocker_floxif_luca-stealer.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3744 2025-01-05_c60c7f9b5d9c86e94fa99ec4cdb3919e_avoslocker_floxif_luca-stealer.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-05_c60c7f9b5d9c86e94fa99ec4cdb3919e_avoslocker_floxif_luca-stealer.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-05_c60c7f9b5d9c86e94fa99ec4cdb3919e_avoslocker_floxif_luca-stealer.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3744 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3744 -s 5162⤵
- Program crash
PID:2316
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3744 -s 5242⤵
- Program crash
PID:4652
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3744 -s 5362⤵
- Program crash
PID:976
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3744 -s 6202⤵
- Loads dropped DLL
- Program crash
PID:404
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3744 -s 6402⤵
- Loads dropped DLL
- Program crash
PID:5084
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3744 -ip 37441⤵PID:3608
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3744 -ip 37441⤵PID:3000
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3744 -ip 37441⤵PID:3588
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3744 -ip 37441⤵
- Loads dropped DLL
PID:1480
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3744 -ip 37441⤵
- Loads dropped DLL
PID:3184
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab