Analysis
- max time kernel
116s - max time network
102s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
21/08/2024, 03:38
General
- Target 295b9467242ffd0d1e31974abb86b2e0N.exe
- Size 580KB
- Sample240821-d659dayard
- SHA256 c6921322345430afa00d52c102743511c57e26c65466fb813e38f4c4fc1ba7c2
Malware Config
Signatures
- Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
- Detects Floxif payload 1 IoCs
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- UPX packed file 7 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in Program Files directory 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 25 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\295b9467242ffd0d1e31974abb86b2e0N.exe"C:\Users\Admin\AppData\Local\Temp\295b9467242ffd0d1e31974abb86b2e0N.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
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Regshot64\Regshot64.exeC:\Users\Admin\AppData\Local\Temp\Regshot64\Regshot64.exe2⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
symsrv.dll
symsrv.dll.000
Regshot64.exe
english.bmp
korean.bmp
language.ini
regshot.ini
memory/3260-6-0x0000000000400000-0x000000000042D000-memory.dmp
memory/3260-0-0x0000000000403000-0x0000000000404000-memory.dmp
memory/3260-29-0x0000000000400000-0x000000000042D000-memory.dmp
memory/3260-32-0x0000000000403000-0x0000000000404000-memory.dmp
memory/3260-33-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3260-34-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3260-39-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3260-4-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3260-44-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3260-50-0x0000000010000000-0x0000000010030000-memory.dmp