Analysis
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max time kernel
94s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-12-2024 00:23
Static task
static1
Behavioral task
behavioral1
Sample
2024-12-13_00b52cc8898b3c6f56361824ec74461a_avoslocker_cobalt-strike_floxif_luca-stealer.exe
Resource
win7-20240903-en
General
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Target
2024-12-13_00b52cc8898b3c6f56361824ec74461a_avoslocker_cobalt-strike_floxif_luca-stealer.exe
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Size
660KB
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MD5
00b52cc8898b3c6f56361824ec74461a
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SHA1
e5e4ff8cf1b777a05653dfd1ee9060a0c2a2d35d
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SHA256
e6a79ee379c24a3438e50a59360b29c57401c409403dd63b45b648899812450e
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SHA512
410aec9d30d24a8147b991ab7215c948bfbe77445f0cac51067b73fe414dde8a6b72e578b3f15df2a8cf956de696179a7eee59ac153b2565018b7f4da8606848
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SSDEEP
12288:QElbaJ26R2TZszr8jxrMnVWqqPIBONhxsUzMi4BjvrEH7G:QElbasLXX/xsUzvKrEH7G
Malware Config
Signatures
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Floxif family
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x000a000000023c0f-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000a000000023c0f-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 3652 2024-12-13_00b52cc8898b3c6f56361824ec74461a_avoslocker_cobalt-strike_floxif_luca-stealer.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) \??\e: 2024-12-13_00b52cc8898b3c6f56361824ec74461a_avoslocker_cobalt-strike_floxif_luca-stealer.exe -
resource yara_rule behavioral2/files/0x000a000000023c0f-1.dat upx behavioral2/memory/3652-2-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3652-63-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2024-12-13_00b52cc8898b3c6f56361824ec74461a_avoslocker_cobalt-strike_floxif_luca-stealer.exe File created \??\c:\program files\common files\system\symsrv.dll.000 2024-12-13_00b52cc8898b3c6f56361824ec74461a_avoslocker_cobalt-strike_floxif_luca-stealer.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 2024-12-13_00b52cc8898b3c6f56361824ec74461a_avoslocker_cobalt-strike_floxif_luca-stealer.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3652 2024-12-13_00b52cc8898b3c6f56361824ec74461a_avoslocker_cobalt-strike_floxif_luca-stealer.exe 3652 2024-12-13_00b52cc8898b3c6f56361824ec74461a_avoslocker_cobalt-strike_floxif_luca-stealer.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3652 2024-12-13_00b52cc8898b3c6f56361824ec74461a_avoslocker_cobalt-strike_floxif_luca-stealer.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-13_00b52cc8898b3c6f56361824ec74461a_avoslocker_cobalt-strike_floxif_luca-stealer.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-13_00b52cc8898b3c6f56361824ec74461a_avoslocker_cobalt-strike_floxif_luca-stealer.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:3652
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
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Filesize
5KB
MD5405b236d518772ef4f71cd91ad7bd692
SHA1d09bf2937c6104d21df12c67ac27d6dcacb58952
SHA2564aaaac520f2d40e57bff8d3343f4c1dbbee0f3a910e46abdc24f0cf26493cf51
SHA512084d222be2bf9640a1be4e8b8302249fa89f72ed14eba38f2374ea99a55b3e4503f729f985d77b56cdabbc46f991e449dacfa3572c4bf2e0136569b0a7fc37ab