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Analysis
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max time kernel
96s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-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 2 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
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
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Filesize
2KB
MD5bcfd43a8c5cbf65160a6f03672c85c27
SHA1026b779e49890196c494edda4fc3450eba7f765d
SHA256da1c41c66848699870e39acd598e0f7dc0a8e3357424382d39961ba944064af8
SHA512a84da9ec482a39c6638027f52b8b8ed932cb788d158b0a7b7a12d58895da7c32a80cfbb904a8fe4056554f3f56a3fd4416a91173ac520d1d123b44d7340be3b6
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Filesize
2KB
MD5794a0ee47bd90eb7d0c66c648a91d8f9
SHA1f6a40c3a65a71e70fe60ae8dc8b2224d0da2f8cc
SHA256ba89eee125ea590357276662f7e4acb9564cb98d6b75728ada6570735e5d27d4
SHA512d9d725cbea323158ec13c6273c14f5e83251f81c3d073964ec92eda5cb653937d92bdcefd05f630c9aabb88a8f43d1064771451075fb40658b52d8b2bc0557fa
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Filesize
5KB
MD5db102e81b0dd5ebc13a6219db373d388
SHA1672205542123dbcd87ea24be345ec4b2074e23eb
SHA256ea2b0ff509dec9d4b015ec2233cf4236599f3ff428e93c3fa3c9a3527dd984db
SHA5124a34deb471a3a3de72b2f637e9ec5333639ac8f92433c61c7e8196203502e0eab057349cd3735d7239e5201a34f3c777c49f4af7f0eff959191c7b8614f042ee
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Filesize
4KB
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Filesize
192KB
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Filesize
408KB
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Filesize
192KB