Analysis
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max time kernel
91s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
03-09-2024 00:45
General
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Target
2024-09-03_ba389f5c4cfa433b4a62de51794e4b9e_avoslocker_cobalt-strike_floxif.exe
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Size
660KB
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MD5
ba389f5c4cfa433b4a62de51794e4b9e
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SHA1
e8c31c6003003409f8545cf68c3ca890cd085e8e
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SHA256
3d6ff8ba4149bf7f277131f048a93a059cdf6a28a68b369372aa2753eb64aa4a
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SHA512
52b46a139b5622a52f0d557138c77fe8da876b28e0fc5e38e505b35e4d38f2eb1725dc57bf0ecb680314220048ff1255d0aa6007b97b5b08db489a001f323b03
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SSDEEP
12288:QElbu0JN6R2TZsz1jxrMnVWqqPIBONhxsUzMi4BjvrEH7x/F:QElbdjLeX/xsUzvKrEH75F
Malware Config
Signatures
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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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UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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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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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 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-03_ba389f5c4cfa433b4a62de51794e4b9e_avoslocker_cobalt-strike_floxif.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-03_ba389f5c4cfa433b4a62de51794e4b9e_avoslocker_cobalt-strike_floxif.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
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
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Filesize
4KB
MD537b5e592ba03dc2edb0d292962533f07
SHA127a41440b68f57f490c8f5bee50ba7403936de0b
SHA2566b623394d41554a4ed3873f80206e8ff16bdeae0e4a0cd0ef8266e20362afaf3
SHA5126734ed5319f06c616e56a3566443f09b37dab77fe2dcbbe96aaee891cd25010cf6573d1735e3e7f70f9bc58f3180b5af09db722dd0fc57763c99ed627c13402e
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Filesize
4KB
MD551fde4001fd2e2a71c233123220ba897
SHA14f54aab76996c5fcd4aada51297388586023a5b1
SHA256562587a2538aab25f169b3697838e8fd67d4adec7309e0ee374a98bef00c8e4e
SHA51208a3c0d82200c8c5d586d3b2969f85fd82c27ea7f3e50f94b58d795cfd256d23eb17b4ada70ddabad532d2c1944d55b610ac3a09b4b8c5ee06db2e16623d01e0
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Filesize
192KB
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Filesize
608KB
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Filesize
192KB