Analysis
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max time kernel
146s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
30-12-2024 12:38
General
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Target
2024-12-30_b377dfc83d41be71b9c863c9feba75eb_avoslocker_floxif_luca-stealer_revil.exe
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Size
4.4MB
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MD5
b377dfc83d41be71b9c863c9feba75eb
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SHA1
cb5f22199de3d7b82ac961a069e899d527445329
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SHA256
1fdd5df69fa5f2104d472de434cb66680f2c79432b40cb6d5533b39e1e0bd064
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SHA512
479e4b9eda1fe78cc3d01a244d1100b59fbeff238af0c06214cdab79d03c1735ec51c2e8c8ee0d2693445cc35bc509b25849c6e5ba4b36cf185aca9c9678e5bb
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SSDEEP
49152:GwC1K4XGGXLKQblnhee2+mGA9b/9PJF9LI0LQ0Cn2z/vGr7GJjju+eTJ/VeSPV3E:GwC13bKFBhQ0C2z/u/GZj2Ey3o1Z/h1h
Malware Config
Signatures
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Floxif family
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Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
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Detects Floxif payload 1 IoCs
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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.
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Loads dropped DLL 1 IoCs
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Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
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UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Drops file in Program Files directory 2 IoCs
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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.
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Suspicious behavior: EnumeratesProcesses 8 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-30_b377dfc83d41be71b9c863c9feba75eb_avoslocker_floxif_luca-stealer_revil.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-30_b377dfc83d41be71b9c863c9feba75eb_avoslocker_floxif_luca-stealer_revil.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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
175B
MD51130c911bf5db4b8f7cf9b6f4b457623
SHA148e734c4bc1a8b5399bff4954e54b268bde9d54c
SHA256eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
SHA51294e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0
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Filesize
192KB
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Filesize
4KB
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Filesize
192KB
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Filesize
4.3MB
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Filesize
192KB
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Filesize
4.3MB
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Filesize
192KB
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Filesize
192KB