Analysis
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max time kernel
144s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
21-12-2024 00:25
Static task
static1
Behavioral task
behavioral1
Sample
2024-12-21_c44c2d06a83acb63564878a7a23d2ce1_avoslocker_cobalt-strike_floxif_luca-stealer.exe
Resource
win7-20241023-en
General
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Target
2024-12-21_c44c2d06a83acb63564878a7a23d2ce1_avoslocker_cobalt-strike_floxif_luca-stealer.exe
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Size
224KB
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MD5
c44c2d06a83acb63564878a7a23d2ce1
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SHA1
dfc77e7a73c2fbfb0db20fcce0d062508f725102
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SHA256
dd10fb5b2fe65af7d7ae23dd2252d181faf4d5b796f59dc5c5278a936597f39b
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SHA512
f40b91476f27475e3ce12b41c2c7251c96529ede951c2ea1d223d6d7912062a0b719bb87fd2aabac16fea20c8bbd2e9cbc1e91e807819ae2f801d85c0e2feb90
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SSDEEP
6144:ayU2zi7ajvRcGdJw9hH4JdBV+UdvrEFp7hK9Z:ayU2zi+jvPu9hH4JdBjvrEH7A
Malware Config
Signatures
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Floxif family
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral1/files/0x000d000000012281-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x000d000000012281-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 2140 2024-12-21_c44c2d06a83acb63564878a7a23d2ce1_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: 2024-12-21_c44c2d06a83acb63564878a7a23d2ce1_avoslocker_cobalt-strike_floxif_luca-stealer.exe -
resource yara_rule behavioral1/memory/2140-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/files/0x000d000000012281-1.dat upx behavioral1/memory/2140-12-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2140-16-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2140-20-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2140-24-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2140-28-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2140-32-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 2 IoCs
description ioc Process File created \??\c:\program files\common files\system\symsrv.dll.000 2024-12-21_c44c2d06a83acb63564878a7a23d2ce1_avoslocker_cobalt-strike_floxif_luca-stealer.exe File created C:\Program Files\Common Files\System\symsrv.dll 2024-12-21_c44c2d06a83acb63564878a7a23d2ce1_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 2024-12-21_c44c2d06a83acb63564878a7a23d2ce1_avoslocker_cobalt-strike_floxif_luca-stealer.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2140 2024-12-21_c44c2d06a83acb63564878a7a23d2ce1_avoslocker_cobalt-strike_floxif_luca-stealer.exe 2140 2024-12-21_c44c2d06a83acb63564878a7a23d2ce1_avoslocker_cobalt-strike_floxif_luca-stealer.exe 2140 2024-12-21_c44c2d06a83acb63564878a7a23d2ce1_avoslocker_cobalt-strike_floxif_luca-stealer.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2140 2024-12-21_c44c2d06a83acb63564878a7a23d2ce1_avoslocker_cobalt-strike_floxif_luca-stealer.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-21_c44c2d06a83acb63564878a7a23d2ce1_avoslocker_cobalt-strike_floxif_luca-stealer.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-21_c44c2d06a83acb63564878a7a23d2ce1_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:2140
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
175B
MD51130c911bf5db4b8f7cf9b6f4b457623
SHA148e734c4bc1a8b5399bff4954e54b268bde9d54c
SHA256eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
SHA51294e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab