Analysis
- max time kernel
150s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
31/03/2024, 11:47
General
- Target x3286.exe
- Size 254KB
- Sample240331-nyagvabd98
- SHA256 5283470c1787f63b15a96fad7c9db4c576ece919435b62d16a3dbc45800bd3e4
Malware Config
Signatures
- Executes dropped EXE 3 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in System32 directory 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\x3286.exe"C:\Users\Admin\AppData\Local\Temp\x3286.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\x3286mgr.exeC:\Users\Admin\AppData\Local\Temp\x3286mgr.exe2⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 2603⤵
- Program crash
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C:\Windows\SysWOW64\tracerpt.exe"C:\Windows\SysWOW64\tracerpt.exe"2⤵
- Enumerates connected drives
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5096 -ip 50961⤵
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C:\ProgramData\MicrosoftEdgeUpdate.exeC:\ProgramData\MicrosoftEdgeUpdate.exe1⤵
- Executes dropped EXE
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C:\ProgramData\MicrosoftEdgeUpdate.exeC:\ProgramData\MicrosoftEdgeUpdate.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
MicrosoftEdgeUpdate.exe
x3286mgr.exe
memory/1732-51-0x00000000005A0000-0x00000000005A1000-memory.dmp
memory/3680-25-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/3680-41-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/3680-8-0x00000000004C0000-0x00000000004F5000-memory.dmp
memory/3680-9-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/3680-11-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/3680-12-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/3680-13-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/3680-15-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/3680-16-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/3680-17-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/3680-18-0x0000000010000000-0x000000001000D000-memory.dmp
memory/3680-23-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/3680-24-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/3680-53-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/3680-52-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/3680-27-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/3680-45-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/3680-33-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/3680-35-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/3680-36-0x0000000002D90000-0x0000000002D9D000-memory.dmp
memory/3680-29-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/3680-43-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/3680-26-0x00000000038B0000-0x00000000038C7000-memory.dmp
memory/3680-47-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/3680-48-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/3680-49-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/4812-0-0x0000000000490000-0x00000000004D7000-memory.dmp
memory/5096-6-0x00000000005C0000-0x00000000005C1000-memory.dmp
memory/5096-4-0x0000000000400000-0x0000000000454000-memory.dmp
memory/5096-7-0x0000000000400000-0x0000000000454000-memory.dmp