Analysis
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max time kernel
81s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
21-11-2024 08:36
General
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Target
IMIDyHxFCwFOkNI.exe
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Size
141KB
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MD5
81b52beeafdea1fc01d413bb33325e28
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SHA1
faf15bf3205c370ce95e33427572b8ee80174317
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SHA256
7025445c5bc6010e5bbc862eba422a2e9fb2df12ef1f6b981ed67845825ce8f2
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SHA512
ded94934d1d8ca8c5fae1abd203cfbeb0ff9dbcf681f16e3931d6010b6d75471ecea565ab2599b0029eb3189c6f5098b08c3376e781a93f45f97efe5d47eb58f
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SSDEEP
3072:t8/RZKBZB+DNvdomOPhbX2lQBV+UdE+rECWp7hKLZjJ:tUZKBZBodjOPx7BV+UdvrEFp7hKX
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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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 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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Modifies registry class 1 IoCs
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Opens file in notepad (likely ransom note) 1 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\IMIDyHxFCwFOkNI.exe"C:\Users\Admin\AppData\Local\Temp\IMIDyHxFCwFOkNI.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\HWID.txt2⤵
- System Location Discovery: System Language Discovery
- Opens file in notepad (likely ransom note)
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
271B
MD5b6aa1fc39b5574d734ba19ac931e78d7
SHA15cb569c18adfa993f70a26b9a91bfdf0b5819d5a
SHA256b2d215657fbe0cc66787ffdb13e082a60bfd90d33f59bbfd8f8b476d51fbd22e
SHA5120466f314ce991f7abee25f653a302d9b833cc5e2f2d4816997b833c3f054184f46449a01906cb8a183393466570cd0542c8c548e078039684d8da4249348a899
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
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Filesize
192KB
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Filesize
4KB
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Filesize
1.0MB
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Filesize
192KB