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Windows Analysis Report

Overview

General Information

Analysis ID:583574
Infos:

Detection

Score:1
Range:0 - 100
Whitelisted:false
Confidence:100%

Signatures

Program does not show much activity (idle)
Creates a process in suspended mode (likely to inject code)
Queries the volume information (name, serial number etc) of a device

Classification

RansomwareSpreadingPhishingBankerTrojan / BotAdwareSpywareExploiterEvaderMinercleansuspiciousmalicious
  • System is w10x64
  • cmd.exe (PID: 7072 cmdline: cmd /C "C:\WINDOWS\splwow64.exe 8192" MD5: F3BDBE3BB6F734E357235F4D5898582D)
    • conhost.exe (PID: 7104 cmdline: C:\Windows\system32\conhost.exe 0xffffffff -ForceV1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496)
    • splwow64.exe (PID: 7160 cmdline: C:\WINDOWS\splwow64.exe 8192 MD5: 8D59B31FF375059E3C32B17BF31A76D5)
  • cleanup
No configs have been found
No yara matches
No Sigma rule has matched

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Show All Signature Results

There are no malicious signatures, click here to show all signatures.

Source: C:\Windows\System32\conhost.exeMutant created: \Sessions\1\BaseNamedObjects\Local\SM0:7104:120:WilError_01
Source: classification engineClassification label: clean1.win@4/0@0/0
Source: unknownProcess created: C:\Windows\SysWOW64\cmd.exe cmd /C "C:\WINDOWS\splwow64.exe 8192"
Source: C:\Windows\SysWOW64\cmd.exeProcess created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\SysWOW64\cmd.exeProcess created: C:\Windows\splwow64.exe C:\WINDOWS\splwow64.exe 8192
Source: C:\Windows\SysWOW64\cmd.exeProcess created: C:\Windows\splwow64.exe C:\WINDOWS\splwow64.exe 8192Jump to behavior
Source: all processesThread injection, dropped files, key value created, disk infection and DNS query: no activity detected
Source: C:\Windows\splwow64.exeThread delayed: delay time: 120000Jump to behavior
Source: all processesThread injection, dropped files, key value created, disk infection and DNS query: no activity detected
Source: C:\Windows\SysWOW64\cmd.exeProcess created: C:\Windows\splwow64.exe C:\WINDOWS\splwow64.exe 8192Jump to behavior
Source: C:\Windows\SysWOW64\cmd.exeQueries volume information: C:\ VolumeInformationJump to behavior
Initial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionExfiltrationCommand and ControlNetwork EffectsRemote Service EffectsImpact
Valid AccountsWindows Management InstrumentationPath Interception11
Process Injection
1
Virtualization/Sandbox Evasion
OS Credential Dumping1
Virtualization/Sandbox Evasion
Remote ServicesData from Local SystemExfiltration Over Other Network MediumData ObfuscationEavesdrop on Insecure Network CommunicationRemotely Track Device Without AuthorizationModify System Partition
Default AccountsScheduled Task/JobBoot or Logon Initialization ScriptsBoot or Logon Initialization Scripts11
Process Injection
LSASS Memory1
System Information Discovery
Remote Desktop ProtocolData from Removable MediaExfiltration Over BluetoothJunk DataExploit SS7 to Redirect Phone Calls/SMSRemotely Wipe Data Without AuthorizationDevice Lockout
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Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 process2 2 Behavior Graph ID: 583574 Cookbook: defaultwindowscmdlinecookbook.jbs Startdate: 05/03/2022 Architecture: WINDOWS Score: 1 5 cmd.exe 1 2->5         started        process3 7 splwow64.exe 5->7         started        9 conhost.exe 5->9         started       

This section contains all screenshots as thumbnails, including those not shown in the slideshow.


windows-stand
No Antivirus matches
No Antivirus matches
No Antivirus matches
No Antivirus matches
No Antivirus matches
No contacted domains info
No contacted IP infos
Joe Sandbox Version:34.0.0 Boulder Opal
Analysis ID:583574
Start date:05.03.2022
Start time:00:55:24
Joe Sandbox Product:CloudBasic
Overall analysis duration:0h 3m 42s
Hypervisor based Inspection enabled:false
Report type:full
Cookbook file name:defaultwindowscmdlinecookbook.jbs
Analysis system description:Windows 10 64 bit v1803 with Office Professional Plus 2016, Chrome 85, IE 11, Adobe Reader DC 19, Java 8 Update 211
Number of analysed new started processes analysed:27
Number of new started drivers analysed:0
Number of existing processes analysed:0
Number of existing drivers analysed:0
Number of injected processes analysed:0
Technologies:
  • HCA enabled
  • EGA enabled
  • HDC enabled
  • AMSI enabled
Analysis Mode:default
Analysis stop reason:Timeout
Detection:CLEAN
Classification:clean1.win@4/0@0/0
Cookbook Comments:
  • Adjust boot time
  • Enable AMSI
  • Exclude process from analysis (whitelisted): MpCmdRun.exe, audiodg.exe, BackgroundTransferHost.exe, WMIADAP.exe, SgrmBroker.exe, backgroundTaskHost.exe, conhost.exe, svchost.exe, wuapihost.exe
  • Excluded IPs from analysis (whitelisted): 20.82.209.183, 40.112.88.60, 20.82.210.154
  • Excluded domains from analysis (whitelisted): ris.api.iris.microsoft.com, iris-de-prod-azsc-neu.northeurope.cloudapp.azure.com, ris-prod.trafficmanager.net, asf-ris-prod-neu.northeurope.cloudapp.azure.com, ctldl.windowsupdate.com, arc.trafficmanager.net, displaycatalog.mp.microsoft.com, iris-de-prod-azsc-neu-b.northeurope.cloudapp.azure.com, img-prod-cms-rt-microsoft-com.akamaized.net, arc.msn.com
  • Not all processes where analyzed, report is missing behavior information
TimeTypeDescription
00:56:17API Interceptor1x Sleep call for process: splwow64.exe modified
No context
No context
No context
No context
No context
No created / dropped files found
No static file info
No network behavior found
050100s020406080100

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Target ID:1
Start time:00:56:16
Start date:05/03/2022
Path:C:\Windows\SysWOW64\cmd.exe
Wow64 process (32bit):true
Commandline:cmd /C "C:\WINDOWS\splwow64.exe 8192"
Imagebase:0xd80000
File size:232960 bytes
MD5 hash:F3BDBE3BB6F734E357235F4D5898582D
Has elevated privileges:true
Has administrator privileges:true
Programmed in:C, C++ or other language
Reputation:high

Target ID:2
Start time:00:56:16
Start date:05/03/2022
Path:C:\Windows\System32\conhost.exe
Wow64 process (32bit):false
Commandline:C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Imagebase:0x7ff7f20f0000
File size:625664 bytes
MD5 hash:EA777DEEA782E8B4D7C7C33BBF8A4496
Has elevated privileges:true
Has administrator privileges:true
Programmed in:C, C++ or other language
Reputation:high

Target ID:4
Start time:00:56:17
Start date:05/03/2022
Path:C:\Windows\splwow64.exe
Wow64 process (32bit):false
Commandline:C:\WINDOWS\splwow64.exe 8192
Imagebase:0x7ff715a10000
File size:130560 bytes
MD5 hash:8D59B31FF375059E3C32B17BF31A76D5
Has elevated privileges:true
Has administrator privileges:true
Programmed in:C, C++ or other language
Reputation:high

No disassembly