Analysis
- max time kernel
5s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
08/01/2024, 00:59
General
- Target 4a3b5b8c4d1df109445b02502bf34c4e.exe
- Size 6.1MB
- Sample240108-bcf2aahddk
- SHA256 fd87f8f2940baaa3437e2129a7b79caac07eabb696a0d073aef259669ac520a4
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in Program Files directory 20 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\4a3b5b8c4d1df109445b02502bf34c4e.exe"C:\Users\Admin\AppData\Local\Temp\4a3b5b8c4d1df109445b02502bf34c4e.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-E37JB.tmp\4a3b5b8c4d1df109445b02502bf34c4e.tmp"C:\Users\Admin\AppData\Local\Temp\is-E37JB.tmp\4a3b5b8c4d1df109445b02502bf34c4e.tmp" /SL5="$90064,5657792,742400,C:\Users\Admin\AppData\Local\Temp\4a3b5b8c4d1df109445b02502bf34c4e.exe"2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Overy Toolbox\OveryToolboxLauncher.exe"C:\Program Files (x86)\Overy Toolbox\OveryToolboxLauncher.exe" 4a3b5b8c4d1df109445b02502bf34c4e.exe3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 9604⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1452 -ip 14521⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
OveryToolboxLauncher.exe
OveryToolboxLauncher.exe
4a3b5b8c4d1df109445b02502bf34c4e.tmp
4a3b5b8c4d1df109445b02502bf34c4e.tmp
memory/1452-40-0x0000000000400000-0x00000000016D2000-memory.dmp
memory/1452-39-0x0000000000400000-0x00000000016D2000-memory.dmp
memory/1452-41-0x0000000001990000-0x0000000001991000-memory.dmp
memory/1452-42-0x0000000000400000-0x00000000016D2000-memory.dmp
memory/2664-6-0x0000000002540000-0x0000000002541000-memory.dmp
memory/2664-43-0x0000000000400000-0x000000000067E000-memory.dmp
memory/3004-2-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/3004-0-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/3004-44-0x0000000000400000-0x00000000004C3000-memory.dmp