Analysis
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max time kernel
95s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03-12-2024 07:26
Behavioral task
behavioral1
Sample
steamupdater.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
steamupdater.exe
Resource
win10v2004-20241007-en
General
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Target
steamupdater.exe
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Size
132KB
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MD5
ae272da48f63b0c97b06f92f00f4ff3e
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SHA1
a6c26a2de3abaefb120845ae642001948a25b141
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SHA256
1a8da2a01c3fdd2d155b6ed685818988bd980f94b7f4eff3011a88bac8baaff7
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SHA512
345c2ba95aa64d7dbea7b912ee8005211c4bf259634dca803ccd55b2b2176929e4fc2c2482462c733abbd8c9c9fec2c3ceb8e80559804b49911baca0bcef9032
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SSDEEP
3072:K7W9jps0Tx4azG6GweOTir5axbjNCz45LT7a:KwpsERzGKurEXCzeLT7a
Malware Config
Extracted
warzonerat
189.14.53.123:1177
Signatures
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WarzoneRat, AveMaria
WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.
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Warzonerat family
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Warzone RAT payload 1 IoCs
resource yara_rule behavioral2/files/0x0007000000023c67-5.dat warzonerat -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\programs.bat steamupdater.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\programs.bat:start steamupdater.exe -
Executes dropped EXE 1 IoCs
pid Process 1488 steamup.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\steamupdaterd = "C:\\Users\\Admin\\Documents\\steamup.exe" steamupdater.exe -
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language steamupdater.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language steamup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3756 cmd.exe 5088 PING.EXE -
NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\Documents\Documents:ApplicationData steamupdater.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 5088 PING.EXE -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2788 wrote to memory of 1488 2788 steamupdater.exe 83 PID 2788 wrote to memory of 1488 2788 steamupdater.exe 83 PID 2788 wrote to memory of 1488 2788 steamupdater.exe 83 PID 1488 wrote to memory of 3756 1488 steamup.exe 97 PID 1488 wrote to memory of 3756 1488 steamup.exe 97 PID 1488 wrote to memory of 3756 1488 steamup.exe 97 PID 3756 wrote to memory of 5088 3756 cmd.exe 99 PID 3756 wrote to memory of 5088 3756 cmd.exe 99 PID 3756 wrote to memory of 5088 3756 cmd.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\steamupdater.exe"C:\Users\Admin\AppData\Local\Temp\steamupdater.exe"1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:2788 -
C:\Users\Admin\Documents\steamup.exe"C:\Users\Admin\Documents\steamup.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1488 -
C:\Windows\SysWOW64\cmd.execmd.exe /C ping 1.2.3.4 -n 2 -w 1000 > Nul & Del /f /q "C:\Users\Admin\Documents\steamup.exe"3⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:3756 -
C:\Windows\SysWOW64\PING.EXEping 1.2.3.4 -n 2 -w 10004⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:5088
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
132KB
MD5ae272da48f63b0c97b06f92f00f4ff3e
SHA1a6c26a2de3abaefb120845ae642001948a25b141
SHA2561a8da2a01c3fdd2d155b6ed685818988bd980f94b7f4eff3011a88bac8baaff7
SHA512345c2ba95aa64d7dbea7b912ee8005211c4bf259634dca803ccd55b2b2176929e4fc2c2482462c733abbd8c9c9fec2c3ceb8e80559804b49911baca0bcef9032