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Analysis
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max time kernel
15s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
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submitted
28/01/2025, 01:52
General
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Target
2025-01-28_3671d6a9ca42f394c235d6ef8ae4a071_avoslocker_cobalt-strike_floxif.exe
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Size
461KB
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MD5
3671d6a9ca42f394c235d6ef8ae4a071
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SHA1
f2efbef6b83bebdb8af7e44fcaa0a99169d14439
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SHA256
636636122ced4a0845c494c482abb6ad7c3b7b1bda46a66ae41f723cee3a4600
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SHA512
c4176a1562490a63b513c48d10a8d5026c649576aa6fc7d6175730715d595c4f52604b4396bcf9714ce545ad82af44739cbd90ba01524dca8615812c1ba7aaa0
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SSDEEP
12288:SJRL3UmCb6U38Y9de3ANbCS0Z8MfsVdxenVWqqPIBONhxs8hmhSBjvrEH7QK:SJRL3Qp9dNNbCiMfsVf1/xs8hmCrEH7F
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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UPX packed file 3 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 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-28_3671d6a9ca42f394c235d6ef8ae4a071_avoslocker_cobalt-strike_floxif.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-28_3671d6a9ca42f394c235d6ef8ae4a071_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
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Downloads
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Filesize
5KB
MD5f047b012e5819ee524126e3e8757c230
SHA1824716bbee5aeb50448bc18236ef40741f52cd62
SHA256257cf921f790bef3f34b319301c8eea0c1eb20c86ec3f9529cd54358ba7d00e9
SHA512acfef576cee3e363f48b67513298ba43f00c5316e9d2fdab22923a721f0ed8e6f34b89710db0d64f1931cef818aba9500ba693789b7ecada6b6c751204af4cf4
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
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Filesize
4KB
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Filesize
192KB
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Filesize
192KB
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Filesize
408KB