Windows Analysis Report
Walls.cmd

Overview

General Information

Sample name: Walls.cmd
Analysis ID: 1580455
MD5: a42926576f58eda76bddffbf3fbe8c35
SHA1: cb044681ce87642a815f6f0a11d659e56944f13c
SHA256: b06c7469d3b0d058f7216b9fcd71c07481358ce855a0d542c378e3df537064e4
Infos:

Detection

Score: 52
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Sigma detected: Search for Antivirus process
Submitted sample is a known malware sample
AI detected suspicious sample
AV process strings found (often used to terminate AV products)
Creates a process in suspended mode (likely to inject code)
Enables debug privileges
Sample execution stops while process was sleeping (likely an evasion)

Classification

AV Detection
barindex
AI detected suspicious sample
Source: Submited Sample Integrated Neural Analysis Model: Matched 81.0% probability
Source: Amcache.hve.0.dr String found in binary or memory: http://upx.sf.net

System Summary
barindex
Submitted sample is a known malware sample
Source: C:\Windows\System32\cmd.exe Dropped file: MD5: ac6ad5d9b99757c3a878f2d275ace198 Family: APT37 Alias: Reaper group, Geumseong121, Group 123, Scarcruft, APT-S-008, Red Eyes, TEMP.Reaper, Ricochet Chollima, sun team, APT37 Description: APT37 is a suspected North Korean cyber espionage group that has been in operation since at least 2012. Their targets are primarily located in South Korea, but also Japan, Vietnam, Russia, China, India, and some of the countries in the Middle East. A wider range of industries are affected, including chemicals, electronics, manufacturing, aerospace, automotive and healthcare entities References: https://www2.fireeye.com/rs/848-DID-242/images/rpt_APT37.pdf https://securelist.com/operation-daybreak/75100/https://securelist.com/scarcruft-continues-to-evolve-introduces-bluetooth-harvester/90729/Data Source: https://github.com/RedDrip7/APT_Digital_Weapon
Source: classification engine Classification label: mal52.evad.winCMD@19/3@0/0
Source: C:\Windows\System32\cmd.exe File created: C:\Users\user\Desktop\459250\Spa.com Jump to behavior
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:7272:120:WilError_03
Source: C:\Windows\System32\tasklist.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT __PATH, ProcessId, CSName, Caption, SessionId, ThreadCount, WorkingSetSize, KernelModeTime, UserModeTime FROM Win32_Process
Source: C:\Windows\System32\tasklist.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT __PATH, ProcessId, CSName, Caption, SessionId, ThreadCount, WorkingSetSize, KernelModeTime, UserModeTime FROM Win32_Process
Source: C:\Windows\System32\tasklist.exe Key opened: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: unknown Process created: C:\Windows\System32\cmd.exe C:\Windows\system32\cmd.exe /c ""C:\Users\user\Desktop\Walls.cmd" "
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\tasklist.exe tasklist
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\findstr.exe findstr /I "opssvc wrsa"
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\tasklist.exe tasklist
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\findstr.exe findstr "AvastUI AVGUI bdservicehost nsWscSvc ekrn SophosHealth"
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\cmd.exe cmd /c md 459250
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\findstr.exe findstr /V "Sorry" Branches
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\cmd.exe cmd /c copy /b ..\Penalties + ..\Let + ..\No + ..\Giant + ..\Instance + ..\Reed + ..\Hawk y
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\choice.exe choice /d y /t 5
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\tasklist.exe tasklist Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\findstr.exe findstr /I "opssvc wrsa" Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\tasklist.exe tasklist Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\findstr.exe findstr "AvastUI AVGUI bdservicehost nsWscSvc ekrn SophosHealth" Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\cmd.exe cmd /c md 459250 Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\findstr.exe findstr /V "Sorry" Branches Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\cmd.exe cmd /c copy /b ..\Penalties + ..\Let + ..\No + ..\Giant + ..\Instance + ..\Reed + ..\Hawk y Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\choice.exe choice /d y /t 5 Jump to behavior
Source: C:\Windows\System32\cmd.exe Section loaded: cmdext.dll Jump to behavior
Source: C:\Windows\System32\cmd.exe Section loaded: ntvdm64.dll Jump to behavior
Source: C:\Windows\System32\cmd.exe Section loaded: version.dll Jump to behavior
Source: C:\Windows\System32\cmd.exe Section loaded: textshaping.dll Jump to behavior
Source: C:\Windows\System32\cmd.exe Section loaded: uxtheme.dll Jump to behavior
Source: C:\Windows\System32\cmd.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Windows\System32\cmd.exe Section loaded: textinputframework.dll Jump to behavior
Source: C:\Windows\System32\cmd.exe Section loaded: coreuicomponents.dll Jump to behavior
Source: C:\Windows\System32\cmd.exe Section loaded: coremessaging.dll Jump to behavior
Source: C:\Windows\System32\cmd.exe Section loaded: ntmarta.dll Jump to behavior
Source: C:\Windows\System32\cmd.exe Section loaded: wintypes.dll Jump to behavior
Source: C:\Windows\System32\cmd.exe Section loaded: wintypes.dll Jump to behavior
Source: C:\Windows\System32\cmd.exe Section loaded: wintypes.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: version.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: mpr.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: framedynos.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: dbghelp.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: sspicli.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: srvcli.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: netutils.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: sspicli.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: wbemcomn.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: winsta.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: amsi.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: userenv.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: profapi.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: version.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: mpr.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: framedynos.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: dbghelp.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: sspicli.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: srvcli.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: netutils.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: sspicli.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: wbemcomn.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: winsta.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: amsi.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: userenv.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Section loaded: profapi.dll Jump to behavior
Source: C:\Windows\System32\choice.exe Section loaded: version.dll Jump to behavior
Source: C:\Windows\System32\tasklist.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{4590F811-1D3A-11D0-891F-00AA004B2E24}\InprocServer32 Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\tasklist.exe tasklist
Source: C:\Windows\System32\cmd.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\tasklist.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\tasklist.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Sample execution stops while process was sleeping (likely an evasion)
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
Source: Amcache.hve.0.dr Binary or memory string: VMware
Source: Amcache.hve.0.dr Binary or memory string: VMware Virtual USB Mouse
Source: Amcache.hve.0.dr Binary or memory string: vmci.syshbin
Source: Amcache.hve.0.dr Binary or memory string: VMware, Inc.
Source: Amcache.hve.0.dr Binary or memory string: VMware20,1hbin@
Source: Amcache.hve.0.dr Binary or memory string: c:\windows\system32\driverstore\filerepository\vmci.inf_amd64_68ed49469341f563
Source: Amcache.hve.0.dr Binary or memory string: Ascsi/cdrom&ven_necvmwar&prod_vmware_sata_cd00/4&224f42ef&0&000000
Source: Amcache.hve.0.dr Binary or memory string: .Z$c:/windows/system32/drivers/vmci.sys
Source: Amcache.hve.0.dr Binary or memory string: :scsi/disk&ven_vmware&prod_virtual_disk/4&1656f219&0&000000
Source: Amcache.hve.0.dr Binary or memory string: pci\ven_15ad&dev_0740&subsys_074015ad,pci\ven_15ad&dev_0740,root\vmwvmcihostdev
Source: Amcache.hve.0.dr Binary or memory string: c:/windows/system32/drivers/vmci.sys
Source: Amcache.hve.0.dr Binary or memory string: scsi/cdrom&ven_necvmwar&prod_vmware_sata_cd00/4&224f42ef&0&000000
Source: Amcache.hve.0.dr Binary or memory string: vmci.sys
Source: Amcache.hve.0.dr Binary or memory string: VMware-56 4d 43 71 48 15 3d ed-ae e6 c7 5a ec d9 3b f0
Source: Amcache.hve.0.dr Binary or memory string: vmci.syshbin`
Source: Amcache.hve.0.dr Binary or memory string: \driver\vmci,\driver\pci
Source: Amcache.hve.0.dr Binary or memory string: scsi/disk&ven_vmware&prod_virtual_disk/4&1656f219&0&000000
Source: Amcache.hve.0.dr Binary or memory string: VMware20,1
Source: Amcache.hve.0.dr Binary or memory string: Microsoft Hyper-V Generation Counter
Source: Amcache.hve.0.dr Binary or memory string: NECVMWar VMware SATA CD00
Source: Amcache.hve.0.dr Binary or memory string: VMware Virtual disk SCSI Disk Device
Source: Amcache.hve.0.dr Binary or memory string: scsi\cdromnecvmwarvmware_sata_cd001.00,scsi\cdromnecvmwarvmware_sata_cd00,scsi\cdromnecvmwar,scsi\necvmwarvmware_sata_cd001,necvmwarvmware_sata_cd001,gencdrom
Source: Amcache.hve.0.dr Binary or memory string: scsi\diskvmware__virtual_disk____2.0_,scsi\diskvmware__virtual_disk____,scsi\diskvmware__,scsi\vmware__virtual_disk____2,vmware__virtual_disk____2,gendisk
Source: Amcache.hve.0.dr Binary or memory string: Microsoft Hyper-V Virtualization Infrastructure Driver
Source: Amcache.hve.0.dr Binary or memory string: VMware PCI VMCI Bus Device
Source: Amcache.hve.0.dr Binary or memory string: VMware VMCI Bus Device
Source: Amcache.hve.0.dr Binary or memory string: VMware Virtual RAM
Source: Amcache.hve.0.dr Binary or memory string: BiosVendor:VMware, Inc.,BiosVersion:VMW201.00V.20829224.B64.2211211842,BiosReleaseDate:11/21/2022,BiosMajorRelease:0xff,BiosMinorRelease:0xff,SystemManufacturer:VMware, Inc.,SystemProduct:VMware20,1,SystemFamily:,SystemSKUNumber:,BaseboardManufacturer:,BaseboardProduct:,BaseboardVersion:,EnclosureType:0x1
Source: Amcache.hve.0.dr Binary or memory string: vmci.inf_amd64_68ed49469341f563
Enables debug privileges
Source: C:\Windows\System32\tasklist.exe Process token adjusted: Debug Jump to behavior
Source: C:\Windows\System32\tasklist.exe Process token adjusted: Debug Jump to behavior
Creates a process in suspended mode (likely to inject code)
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\tasklist.exe tasklist Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\findstr.exe findstr /I "opssvc wrsa" Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\tasklist.exe tasklist Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\findstr.exe findstr "AvastUI AVGUI bdservicehost nsWscSvc ekrn SophosHealth" Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\cmd.exe cmd /c md 459250 Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\findstr.exe findstr /V "Sorry" Branches Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\cmd.exe cmd /c copy /b ..\Penalties + ..\Let + ..\No + ..\Giant + ..\Instance + ..\Reed + ..\Hawk y Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\choice.exe choice /d y /t 5 Jump to behavior
AV process strings found (often used to terminate AV products)
Source: Amcache.hve.0.dr Binary or memory string: c:\programdata\microsoft\windows defender\platform\4.18.23080.2006-0\msmpeng.exe
Source: Amcache.hve.0.dr Binary or memory string: msmpeng.exe
Source: Amcache.hve.0.dr Binary or memory string: c:\program files\windows defender\msmpeng.exe
Source: Amcache.hve.0.dr Binary or memory string: MsMpEng.exe
windows-stand
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Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
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  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1580455 Sample: Walls.cmd Startdate: 24/12/2024 Architecture: WINDOWS Score: 52 17 Sigma detected: Search for Antivirus process 2->17 19 AI detected suspicious sample 2->19 6 cmd.exe 2 2->6         started        process3 signatures4 21 Submitted sample is a known malware sample 6->21 9 conhost.exe 6->9         started        11 tasklist.exe 1 6->11         started        13 tasklist.exe 1 6->13         started        15 6 other processes 6->15 process5
⊘No contacted IP infos