Analysis
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max time kernel
329s -
max time network
330s -
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 07:19
Behavioral task
behavioral1
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 behavioral1/files/0x0007000000023caf-5.dat warzonerat -
Modifies Windows Firewall 2 TTPs 5 IoCs
pid Process 1120 netsh.exe 4832 netsh.exe 2056 netsh.exe 2768 netsh.exe 5052 netsh.exe -
Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\TermService\Parameters\ServiceDll = "%ProgramFiles%\\Microsoft DN1\\sqlmap.dll" steamup.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation steamup.exe -
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 6 IoCs
pid Process 2328 steamup.exe 1580 1.exe 3192 2.exe 4140 3.exe 912 4.exe 3584 5.exe -
Loads dropped DLL 1 IoCs
pid Process 3920 svchost.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 -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\R: mstsc.exe File opened (read-only) \??\Y: mstsc.exe File opened (read-only) \??\M: mstsc.exe File opened (read-only) \??\N: mstsc.exe File opened (read-only) \??\Q: mstsc.exe File opened (read-only) \??\X: mstsc.exe File opened (read-only) \??\E: mstsc.exe File opened (read-only) \??\S: mstsc.exe File opened (read-only) \??\T: mstsc.exe File opened (read-only) \??\K: mstsc.exe File opened (read-only) \??\O: mstsc.exe File opened (read-only) \??\W: mstsc.exe File opened (read-only) \??\Z: mstsc.exe File opened (read-only) \??\A: mstsc.exe File opened (read-only) \??\B: mstsc.exe File opened (read-only) \??\H: mstsc.exe File opened (read-only) \??\L: mstsc.exe File opened (read-only) \??\P: mstsc.exe File opened (read-only) \??\U: mstsc.exe File opened (read-only) \??\V: mstsc.exe File opened (read-only) \??\G: mstsc.exe File opened (read-only) \??\I: mstsc.exe File opened (read-only) \??\J: mstsc.exe -
Modifies WinLogon 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList steamup.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts steamup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList\Jo.GBIx = "0" steamup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\AllowMultipleTSSessions = "1" steamup.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\System32\rfxvmt.dll steamup.exe -
Hide Artifacts: Hidden Users 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList\Jo.GBIx = "0" steamup.exe -
resource yara_rule behavioral1/files/0x00030000000006dd-27.dat upx behavioral1/memory/1580-31-0x00000000006A0000-0x00000000006CD000-memory.dmp upx behavioral1/memory/3192-41-0x00000000009B0000-0x00000000009DD000-memory.dmp upx behavioral1/memory/1580-43-0x00000000006A0000-0x00000000006CD000-memory.dmp upx behavioral1/memory/3192-44-0x00000000009B0000-0x00000000009DD000-memory.dmp upx behavioral1/memory/1580-45-0x00000000006A0000-0x00000000006CD000-memory.dmp upx behavioral1/memory/4140-55-0x00000000000F0000-0x000000000011D000-memory.dmp upx behavioral1/memory/912-64-0x0000000000750000-0x000000000077D000-memory.dmp upx behavioral1/memory/4140-66-0x00000000000F0000-0x000000000011D000-memory.dmp upx behavioral1/memory/912-68-0x0000000000750000-0x000000000077D000-memory.dmp upx behavioral1/memory/4140-69-0x00000000000F0000-0x000000000011D000-memory.dmp upx behavioral1/memory/3584-78-0x0000000000FC0000-0x0000000000FED000-memory.dmp upx behavioral1/memory/3584-80-0x0000000000FC0000-0x0000000000FED000-memory.dmp upx -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Microsoft DN1\sqlmap.dll steamup.exe File created C:\Program Files\Microsoft DN1\rdpwrap.ini steamup.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 15 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
Program crash 3 IoCs
pid pid_target Process procid_target 1164 3192 WerFault.exe 116 804 912 WerFault.exe 126 3988 3584 WerFault.exe 139 -
System Location Discovery: System Language Discovery 1 TTPs 12 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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language steamup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language steamupdater.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4.exe -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000\Device Parameters mstsc.exe Key security queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters mstsc.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\TSRedirFlags mstsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000\Device Parameters mstsc.exe Key security queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\Device Parameters mstsc.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\Device Parameters\TSRedirFlags mstsc.exe -
NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\Documents\Documents:ApplicationData steamupdater.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3920 svchost.exe 3920 svchost.exe 3920 svchost.exe 3920 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 660 Process not Found -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2188 cmd.exe Token: SeDebugPrivilege 2328 steamup.exe Token: SeAuditPrivilege 3920 svchost.exe Token: SeDebugPrivilege 2144 cmd.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 4720 wrote to memory of 2328 4720 steamupdater.exe 83 PID 4720 wrote to memory of 2328 4720 steamupdater.exe 83 PID 4720 wrote to memory of 2328 4720 steamupdater.exe 83 PID 2328 wrote to memory of 2188 2328 steamup.exe 105 PID 2328 wrote to memory of 2188 2328 steamup.exe 105 PID 2328 wrote to memory of 2188 2328 steamup.exe 105 PID 2328 wrote to memory of 2188 2328 steamup.exe 105 PID 2328 wrote to memory of 2144 2328 steamup.exe 111 PID 2328 wrote to memory of 2144 2328 steamup.exe 111 PID 2328 wrote to memory of 2144 2328 steamup.exe 111 PID 2328 wrote to memory of 2144 2328 steamup.exe 111 PID 2328 wrote to memory of 1580 2328 steamup.exe 113 PID 2328 wrote to memory of 1580 2328 steamup.exe 113 PID 2328 wrote to memory of 1580 2328 steamup.exe 113 PID 1580 wrote to memory of 1120 1580 1.exe 114 PID 1580 wrote to memory of 1120 1580 1.exe 114 PID 1580 wrote to memory of 1120 1580 1.exe 114 PID 2328 wrote to memory of 3192 2328 steamup.exe 116 PID 2328 wrote to memory of 3192 2328 steamup.exe 116 PID 2328 wrote to memory of 3192 2328 steamup.exe 116 PID 3192 wrote to memory of 4832 3192 2.exe 117 PID 3192 wrote to memory of 4832 3192 2.exe 117 PID 3192 wrote to memory of 4832 3192 2.exe 117 PID 2328 wrote to memory of 4140 2328 steamup.exe 123 PID 2328 wrote to memory of 4140 2328 steamup.exe 123 PID 2328 wrote to memory of 4140 2328 steamup.exe 123 PID 4140 wrote to memory of 2056 4140 3.exe 124 PID 4140 wrote to memory of 2056 4140 3.exe 124 PID 4140 wrote to memory of 2056 4140 3.exe 124 PID 2328 wrote to memory of 912 2328 steamup.exe 126 PID 2328 wrote to memory of 912 2328 steamup.exe 126 PID 2328 wrote to memory of 912 2328 steamup.exe 126 PID 912 wrote to memory of 2768 912 4.exe 127 PID 912 wrote to memory of 2768 912 4.exe 127 PID 912 wrote to memory of 2768 912 4.exe 127 PID 2328 wrote to memory of 3584 2328 steamup.exe 139 PID 2328 wrote to memory of 3584 2328 steamup.exe 139 PID 2328 wrote to memory of 3584 2328 steamup.exe 139 PID 3584 wrote to memory of 5052 3584 5.exe 140 PID 3584 wrote to memory of 5052 3584 5.exe 140 PID 3584 wrote to memory of 5052 3584 5.exe 140
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:4720 -
C:\Users\Admin\Documents\steamup.exe"C:\Users\Admin\Documents\steamup.exe"2⤵
- Server Software Component: Terminal Services DLL
- Checks computer location settings
- Executes dropped EXE
- Modifies WinLogon
- Drops file in System32 directory
- Hide Artifacts: Hidden Users
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe"3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2188
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe"3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2144
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C:\Users\Admin\AppData\Local\Temp\1.exe"C:\Users\Admin\AppData\Local\Temp\1.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1580 -
C:\Windows\SysWOW64\netsh.exenetsh advfirewall firewall add rule name="3389" dir=in action=allow protocol=TCP localport=33894⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:1120
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C:\Users\Admin\AppData\Local\Temp\2.exe"C:\Users\Admin\AppData\Local\Temp\2.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3192 -
C:\Windows\SysWOW64\netsh.exenetsh advfirewall firewall add rule name="3389" dir=in action=allow protocol=TCP localport=33894⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:4832
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3192 -s 3964⤵
- Program crash
PID:1164
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C:\Users\Admin\AppData\Local\Temp\3.exe"C:\Users\Admin\AppData\Local\Temp\3.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4140 -
C:\Windows\SysWOW64\netsh.exenetsh advfirewall firewall add rule name="3389" dir=in action=allow protocol=TCP localport=33894⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2056
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C:\Users\Admin\AppData\Local\Temp\4.exe"C:\Users\Admin\AppData\Local\Temp\4.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:912 -
C:\Windows\SysWOW64\netsh.exenetsh advfirewall firewall add rule name="3389" dir=in action=allow protocol=TCP localport=33894⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2768
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 912 -s 3964⤵
- Program crash
PID:804
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C:\Users\Admin\AppData\Local\Temp\5.exe"C:\Users\Admin\AppData\Local\Temp\5.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3584 -
C:\Windows\SysWOW64\netsh.exenetsh advfirewall firewall add rule name="3389" dir=in action=allow protocol=TCP localport=33894⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:5052
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3584 -s 3964⤵
- Program crash
PID:3988
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -s TermService1⤵PID:3604
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -s TermService1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3920
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3192 -ip 31921⤵PID:4724
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 912 -ip 9121⤵PID:1372
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C:\Windows\system32\mstsc.exe"C:\Windows\system32\mstsc.exe"1⤵
- Enumerates connected drives
- Checks SCSI registry key(s)
PID:3032
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3584 -ip 35841⤵PID:4268
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Server Software Component
1Terminal Services DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Hide Artifacts
1Hidden Users
1Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
70KB
MD5ca96229390a0e6a53e8f2125f2c01114
SHA1a54b1081cf58724f8cb292b4d165dfee2fb1c9f6
SHA2560df3d05900e7b530f6c2a281d43c47839f2cf2a5d386553c8dc46e463a635a2c
SHA512e93445bce6c8b6f51890309577a0ea9369860d2e6bf8cc0ca708879a77bb176d27c5f559bbdb7deb4b719aee0fc48d9068c293559f7629baf4ec3515898102ef
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Filesize
132KB
MD5ae272da48f63b0c97b06f92f00f4ff3e
SHA1a6c26a2de3abaefb120845ae642001948a25b141
SHA2561a8da2a01c3fdd2d155b6ed685818988bd980f94b7f4eff3011a88bac8baaff7
SHA512345c2ba95aa64d7dbea7b912ee8005211c4bf259634dca803ccd55b2b2176929e4fc2c2482462c733abbd8c9c9fec2c3ceb8e80559804b49911baca0bcef9032
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Filesize
275KB
MD54d18179c3e64e912a2ecd80a8aed4aa7
SHA11330011d2f45017c5991e681fd1dfceaaff268bf
SHA2562de7c3db2e91021bae6e16d67677ea9ef123809eed237f804d4f7b3c0315ba5c
SHA512d3c0f83b1d81be32a72335c8bfa7f41d4ca8df19be86470df52633ee32f4d73112a836d04e2b6276bed754b6f2d99d85024d7a327135bd348785ccdbbe8fcc0d
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Filesize
114KB
MD5461ade40b800ae80a40985594e1ac236
SHA1b3892eef846c044a2b0785d54a432b3e93a968c8
SHA256798af20db39280f90a1d35f2ac2c1d62124d1f5218a2a0fa29d87a13340bd3e4
SHA512421f9060c4b61fa6f4074508602a2639209032fd5df5bfc702a159e3bad5479684ccb3f6e02f3e38fb8db53839cf3f41fe58a3acad6ec1199a48dc333b2d8a26