379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2

General
Target

379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe

Filesize

850KB

Completed

20-10-2021 08:14

Score
10/10
MD5

ef11147a57a9bf1da1f49f4b21cf534b

SHA1

a641acfee3c3864b4b71d50627f54b4d9377706c

SHA256

379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2

Malware Config

Extracted

Family vidar
Version 41.5
Botnet 517
C2

https://mas.to/@xeroxxx

Attributes
profile_id
517

Extracted

Family djvu
C2

http://rlrz.org/fhsgtsspen6

Signatures 24

Filter: none

Collection
Credential Access
Defense Evasion
Discovery
Persistence
  • Detected Djvu ransomware

    Reported IOCs

    resourceyara_rule
    behavioral1/memory/3552-117-0x0000000000424141-mapping.dmpfamily_djvu
    behavioral1/memory/3552-116-0x0000000000400000-0x0000000000537000-memory.dmpfamily_djvu
    behavioral1/memory/2352-118-0x0000000004B20000-0x0000000004C3B000-memory.dmpfamily_djvu
    behavioral1/memory/3552-119-0x0000000000400000-0x0000000000537000-memory.dmpfamily_djvu
    behavioral1/memory/3144-125-0x0000000000424141-mapping.dmpfamily_djvu
    behavioral1/memory/3144-126-0x0000000000400000-0x0000000000537000-memory.dmpfamily_djvu
  • Djvu Ransomware

    Description

    Ransomware which is a variant of the STOP family.

  • Vidar

    Description

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer

    Tags

    Reported IOCs

    resourceyara_rule
    behavioral1/memory/792-135-0x0000000000400000-0x00000000004D9000-memory.dmpfamily_vidar
    behavioral1/memory/792-136-0x00000000004A18CD-mapping.dmpfamily_vidar
    behavioral1/memory/792-142-0x0000000000400000-0x00000000004D9000-memory.dmpfamily_vidar
    behavioral1/memory/2860-141-0x0000000004B70000-0x0000000004C46000-memory.dmpfamily_vidar
    behavioral1/memory/3164-173-0x0000000003250000-0x000000000339A000-memory.dmpfamily_vidar
  • Downloads MZ/PE file
  • Executes dropped EXE
    build2.exebuild2.exebuild3.exebuild3.exemstsca.exemstsca.exemstsca.exemstsca.exe

    Reported IOCs

    pidprocess
    2860build2.exe
    792build2.exe
    1384build3.exe
    964build3.exe
    3024mstsca.exe
    3388mstsca.exe
    3164mstsca.exe
    3604mstsca.exe
  • Loads dropped DLL
    build2.exe

    Reported IOCs

    pidprocess
    792build2.exe
    792build2.exe
  • Modifies file permissions
    icacls.exe

    Tags

    TTPs

    File Permissions Modification

    Reported IOCs

    pidprocess
    372icacls.exe
  • Reads user/profile data of web browsers

    Description

    Infostealers often target stored browser data, which can include saved credentials etc.

    TTPs

    Data from Local SystemCredentials in Files
  • Accesses 2FA software files, possible credential harvesting

    TTPs

    Data from Local SystemCredentials in Files
  • Accesses cryptocurrency files/wallets, possible credential harvesting

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Adds Run key to start application
    379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe

    TTPs

    Registry Run Keys / Startup FolderModify Registry

    Reported IOCs

    descriptioniocprocess
    Set value (str)\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\d3972d28-10a7-40a1-8c40-e7abc584b7de\\379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe\" --AutoStart"379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
  • Checks installed software on the system

    Description

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    Tags

    TTPs

    Query Registry
  • Looks up external IP address via web service

    Description

    Uses a legitimate IP lookup service to find the infected system's external IP.

    Reported IOCs

    flowioc
    14api.2ip.ua
    8api.2ip.ua
    9api.2ip.ua
  • Suspicious use of SetThreadContext
    379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exebuild2.exebuild3.exemstsca.exemstsca.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 2352 set thread context of 35522352379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 1972 set thread context of 31441972379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 2860 set thread context of 7922860build2.exebuild2.exe
    PID 1384 set thread context of 9641384build3.exebuild3.exe
    PID 3024 set thread context of 33883024mstsca.exemstsca.exe
    PID 3164 set thread context of 36043164mstsca.exemstsca.exe
  • Enumerates physical storage devices

    Description

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

    TTPs

    System Information Discovery
  • Checks processor information in registry
    build2.exe

    Description

    Processor information is often read in order to detect sandboxing environments.

    TTPs

    Query RegistrySystem Information Discovery

    Reported IOCs

    descriptioniocprocess
    Key opened\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0build2.exe
    Key value queried\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameStringbuild2.exe
  • Creates scheduled task(s)
    schtasks.exeschtasks.exe

    Description

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    TTPs

    Scheduled Task

    Reported IOCs

    pidprocess
    4064schtasks.exe
    1032schtasks.exe
  • Delays execution with timeout.exe
    timeout.exe

    Tags

    Reported IOCs

    pidprocess
    2504timeout.exe
  • Kills process with taskkill
    taskkill.exe

    Tags

    Reported IOCs

    pidprocess
    1968taskkill.exe
  • Modifies system certificate store
    379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe

    TTPs

    Install Root CertificateModify Registry

    Reported IOCs

    descriptioniocprocess
    Key created\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    Set value (data)\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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.exe
  • Suspicious behavior: EnumeratesProcesses
    379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exebuild2.exe

    Reported IOCs

    pidprocess
    3552379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    3552379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    3144379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    3144379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    792build2.exe
    792build2.exe
    792build2.exe
    792build2.exe
    792build2.exe
    792build2.exe
    792build2.exe
    792build2.exe
  • Suspicious use of AdjustPrivilegeToken
    taskkill.exe

    Reported IOCs

    descriptionpidprocess
    Token: SeDebugPrivilege1968taskkill.exe
  • Suspicious use of WriteProcessMemory
    379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exebuild2.exebuild3.exebuild3.exebuild2.execmd.exemstsca.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 2352 wrote to memory of 35522352379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 2352 wrote to memory of 35522352379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 2352 wrote to memory of 35522352379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 2352 wrote to memory of 35522352379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 2352 wrote to memory of 35522352379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 2352 wrote to memory of 35522352379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 2352 wrote to memory of 35522352379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 2352 wrote to memory of 35522352379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 2352 wrote to memory of 35522352379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 2352 wrote to memory of 35522352379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 3552 wrote to memory of 3723552379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exeicacls.exe
    PID 3552 wrote to memory of 3723552379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exeicacls.exe
    PID 3552 wrote to memory of 3723552379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exeicacls.exe
    PID 3552 wrote to memory of 19723552379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 3552 wrote to memory of 19723552379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 3552 wrote to memory of 19723552379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 1972 wrote to memory of 31441972379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 1972 wrote to memory of 31441972379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 1972 wrote to memory of 31441972379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 1972 wrote to memory of 31441972379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 1972 wrote to memory of 31441972379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 1972 wrote to memory of 31441972379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 1972 wrote to memory of 31441972379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 1972 wrote to memory of 31441972379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 1972 wrote to memory of 31441972379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 1972 wrote to memory of 31441972379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    PID 3144 wrote to memory of 28603144379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exebuild2.exe
    PID 3144 wrote to memory of 28603144379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exebuild2.exe
    PID 3144 wrote to memory of 28603144379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exebuild2.exe
    PID 2860 wrote to memory of 7922860build2.exebuild2.exe
    PID 2860 wrote to memory of 7922860build2.exebuild2.exe
    PID 2860 wrote to memory of 7922860build2.exebuild2.exe
    PID 2860 wrote to memory of 7922860build2.exebuild2.exe
    PID 2860 wrote to memory of 7922860build2.exebuild2.exe
    PID 2860 wrote to memory of 7922860build2.exebuild2.exe
    PID 2860 wrote to memory of 7922860build2.exebuild2.exe
    PID 2860 wrote to memory of 7922860build2.exebuild2.exe
    PID 3144 wrote to memory of 13843144379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exebuild3.exe
    PID 3144 wrote to memory of 13843144379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exebuild3.exe
    PID 3144 wrote to memory of 13843144379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exebuild3.exe
    PID 1384 wrote to memory of 9641384build3.exebuild3.exe
    PID 1384 wrote to memory of 9641384build3.exebuild3.exe
    PID 1384 wrote to memory of 9641384build3.exebuild3.exe
    PID 1384 wrote to memory of 9641384build3.exebuild3.exe
    PID 1384 wrote to memory of 9641384build3.exebuild3.exe
    PID 1384 wrote to memory of 9641384build3.exebuild3.exe
    PID 1384 wrote to memory of 9641384build3.exebuild3.exe
    PID 1384 wrote to memory of 9641384build3.exebuild3.exe
    PID 1384 wrote to memory of 9641384build3.exebuild3.exe
    PID 964 wrote to memory of 1032964build3.exeschtasks.exe
    PID 964 wrote to memory of 1032964build3.exeschtasks.exe
    PID 964 wrote to memory of 1032964build3.exeschtasks.exe
    PID 792 wrote to memory of 1860792build2.execmd.exe
    PID 792 wrote to memory of 1860792build2.execmd.exe
    PID 792 wrote to memory of 1860792build2.execmd.exe
    PID 1860 wrote to memory of 19681860cmd.exetaskkill.exe
    PID 1860 wrote to memory of 19681860cmd.exetaskkill.exe
    PID 1860 wrote to memory of 19681860cmd.exetaskkill.exe
    PID 1860 wrote to memory of 25041860cmd.exetimeout.exe
    PID 1860 wrote to memory of 25041860cmd.exetimeout.exe
    PID 1860 wrote to memory of 25041860cmd.exetimeout.exe
    PID 3024 wrote to memory of 33883024mstsca.exemstsca.exe
    PID 3024 wrote to memory of 33883024mstsca.exemstsca.exe
    PID 3024 wrote to memory of 33883024mstsca.exemstsca.exe
Processes 18
  • C:\Users\Admin\AppData\Local\Temp\379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
    "C:\Users\Admin\AppData\Local\Temp\379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe"
    Suspicious use of SetThreadContext
    Suspicious use of WriteProcessMemory
    PID:2352
    • C:\Users\Admin\AppData\Local\Temp\379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
      "C:\Users\Admin\AppData\Local\Temp\379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe"
      Adds Run key to start application
      Modifies system certificate store
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:3552
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\d3972d28-10a7-40a1-8c40-e7abc584b7de" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        Modifies file permissions
        PID:372
      • C:\Users\Admin\AppData\Local\Temp\379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
        "C:\Users\Admin\AppData\Local\Temp\379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe" --Admin IsNotAutoStart IsNotTask
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        PID:1972
        • C:\Users\Admin\AppData\Local\Temp\379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe
          "C:\Users\Admin\AppData\Local\Temp\379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe" --Admin IsNotAutoStart IsNotTask
          Suspicious behavior: EnumeratesProcesses
          Suspicious use of WriteProcessMemory
          PID:3144
          • C:\Users\Admin\AppData\Local\6cab759d-6030-4269-b33b-1f335a80e9b9\build2.exe
            "C:\Users\Admin\AppData\Local\6cab759d-6030-4269-b33b-1f335a80e9b9\build2.exe"
            Executes dropped EXE
            Suspicious use of SetThreadContext
            Suspicious use of WriteProcessMemory
            PID:2860
            • C:\Users\Admin\AppData\Local\6cab759d-6030-4269-b33b-1f335a80e9b9\build2.exe
              "C:\Users\Admin\AppData\Local\6cab759d-6030-4269-b33b-1f335a80e9b9\build2.exe"
              Executes dropped EXE
              Loads dropped DLL
              Checks processor information in registry
              Suspicious behavior: EnumeratesProcesses
              Suspicious use of WriteProcessMemory
              PID:792
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c taskkill /im build2.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\6cab759d-6030-4269-b33b-1f335a80e9b9\build2.exe" & del C:\ProgramData\*.dll & exit
                Suspicious use of WriteProcessMemory
                PID:1860
                • C:\Windows\SysWOW64\taskkill.exe
                  taskkill /im build2.exe /f
                  Kills process with taskkill
                  Suspicious use of AdjustPrivilegeToken
                  PID:1968
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  Delays execution with timeout.exe
                  PID:2504
          • C:\Users\Admin\AppData\Local\6cab759d-6030-4269-b33b-1f335a80e9b9\build3.exe
            "C:\Users\Admin\AppData\Local\6cab759d-6030-4269-b33b-1f335a80e9b9\build3.exe"
            Executes dropped EXE
            Suspicious use of SetThreadContext
            Suspicious use of WriteProcessMemory
            PID:1384
            • C:\Users\Admin\AppData\Local\6cab759d-6030-4269-b33b-1f335a80e9b9\build3.exe
              "C:\Users\Admin\AppData\Local\6cab759d-6030-4269-b33b-1f335a80e9b9\build3.exe"
              Executes dropped EXE
              Suspicious use of WriteProcessMemory
              PID:964
              • C:\Windows\SysWOW64\schtasks.exe
                /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
                Creates scheduled task(s)
                PID:1032
  • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    Executes dropped EXE
    Suspicious use of SetThreadContext
    Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
      Executes dropped EXE
      PID:3388
      • C:\Windows\SysWOW64\schtasks.exe
        /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
        Creates scheduled task(s)
        PID:4064
  • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    Executes dropped EXE
    Suspicious use of SetThreadContext
    PID:3164
    • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
      Executes dropped EXE
      PID:3604
Network
MITRE ATT&CK Matrix
Command and Control
    Credential Access
    Execution
      Exfiltration
        Impact
          Initial Access
            Lateral Movement
              Privilege Escalation
                Replay Monitor
                00:00 00:00
                Downloads
                • C:\ProgramData\freebl3.dll

                  MD5

                  ef2834ac4ee7d6724f255beaf527e635

                  SHA1

                  5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

                  SHA256

                  a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

                  SHA512

                  c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

                • C:\ProgramData\mozglue.dll

                  MD5

                  8f73c08a9660691143661bf7332c3c27

                  SHA1

                  37fa65dd737c50fda710fdbde89e51374d0c204a

                  SHA256

                  3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

                  SHA512

                  0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

                • C:\ProgramData\msvcp140.dll

                  MD5

                  109f0f02fd37c84bfc7508d4227d7ed5

                  SHA1

                  ef7420141bb15ac334d3964082361a460bfdb975

                  SHA256

                  334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

                  SHA512

                  46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

                • C:\ProgramData\nss3.dll

                  MD5

                  bfac4e3c5908856ba17d41edcd455a51

                  SHA1

                  8eec7e888767aa9e4cca8ff246eb2aacb9170428

                  SHA256

                  e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

                  SHA512

                  2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

                • C:\ProgramData\softokn3.dll

                  MD5

                  a2ee53de9167bf0d6c019303b7ca84e5

                  SHA1

                  2a3c737fa1157e8483815e98b666408a18c0db42

                  SHA256

                  43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

                  SHA512

                  45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

                • C:\ProgramData\vcruntime140.dll

                  MD5

                  7587bf9cb4147022cd5681b015183046

                  SHA1

                  f2106306a8f6f0da5afb7fc765cfa0757ad5a628

                  SHA256

                  c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

                  SHA512

                  0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

                • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

                  MD5

                  3183751859498c44f6d0ee8e2aab2c17

                  SHA1

                  3948927d001256209b5e4b25003c3c4ccb9ad6bc

                  SHA256

                  fd7b40ffbaccd347c4daa2d0530a3b74114fcb55c78423d67750a8be92c70a28

                  SHA512

                  88de4b4c2818650f7080a9afdcbe8764f1604bbf77f08f2ce286beb5a00e6cb30352f6180f64e7b5d9790a1e5ebefde6e62d8221e55228942d5652a1e0cd4fa6

                • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

                  MD5

                  98a2414b3a6062f69b5e91e8ef853e60

                  SHA1

                  a7c76d8cc77cc535d73bc6b0ee4f64527572145d

                  SHA256

                  cea0b3398c3a6ac31f4582a21afb131878dfd3e489d101af94fd3d682000dba3

                  SHA512

                  d186ac4f87a04cc56d2a120d1aa7d96f1574ac7353a7d8b237452260f11a3ebfadb556eb46ee894c75ae1bdc6dae480599c6109eb25873074546847d158dddda

                • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

                  MD5

                  8998735f57fa47aed7ffea883de9fe4b

                  SHA1

                  b017a45d2f77f1c85198c33bd142a99ebed288db

                  SHA256

                  0eea97f97338e5f7553a9473a75c44bdc05ea48c4f20ca8f71cec4a21531ee09

                  SHA512

                  58e4f89d60c0f437b700aaceb15f5680a3ecb7e5f2659bea08cbc202d602ba06e9b98cbdb016c31ec06d4f72ff090988b84d289426d18cf19f72113b0d4f0f3d

                • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

                  MD5

                  b86332fd7e1085ba8b779fd99eb4c60c

                  SHA1

                  860967864498c7a628f6c8b9f6b06e40b4f555a0

                  SHA256

                  9dda2612184bbcc702366b4c86f03cd38d5d15c35d2b6fe94b27bf65744766f8

                  SHA512

                  7e7aa7c80c611e53928444cf822e9d6e82e81f80ee44e7dfaa0a4da45aade67fff83f71acaea90024e4fcc37c0f2f13d4da51aa4282bc903f36e773602ff2527

                • C:\Users\Admin\AppData\Local\6cab759d-6030-4269-b33b-1f335a80e9b9\build2.exe

                  MD5

                  a2ef57bbe3a8af95196a419a7962bfaa

                  SHA1

                  1a0c42723cd1e2e947f904619de7fcea5ca4a183

                  SHA256

                  4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

                  SHA512

                  ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

                • C:\Users\Admin\AppData\Local\6cab759d-6030-4269-b33b-1f335a80e9b9\build2.exe

                  MD5

                  a2ef57bbe3a8af95196a419a7962bfaa

                  SHA1

                  1a0c42723cd1e2e947f904619de7fcea5ca4a183

                  SHA256

                  4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

                  SHA512

                  ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

                • C:\Users\Admin\AppData\Local\6cab759d-6030-4269-b33b-1f335a80e9b9\build2.exe

                  MD5

                  a2ef57bbe3a8af95196a419a7962bfaa

                  SHA1

                  1a0c42723cd1e2e947f904619de7fcea5ca4a183

                  SHA256

                  4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

                  SHA512

                  ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

                • C:\Users\Admin\AppData\Local\6cab759d-6030-4269-b33b-1f335a80e9b9\build3.exe

                  MD5

                  0fea771099e342facd95a9d659548919

                  SHA1

                  9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

                  SHA256

                  6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

                  SHA512

                  2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

                • C:\Users\Admin\AppData\Local\6cab759d-6030-4269-b33b-1f335a80e9b9\build3.exe

                  MD5

                  0fea771099e342facd95a9d659548919

                  SHA1

                  9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

                  SHA256

                  6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

                  SHA512

                  2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

                • C:\Users\Admin\AppData\Local\6cab759d-6030-4269-b33b-1f335a80e9b9\build3.exe

                  MD5

                  0fea771099e342facd95a9d659548919

                  SHA1

                  9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

                  SHA256

                  6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

                  SHA512

                  2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

                • C:\Users\Admin\AppData\Local\d3972d28-10a7-40a1-8c40-e7abc584b7de\379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2.exe

                  MD5

                  ef11147a57a9bf1da1f49f4b21cf534b

                  SHA1

                  a641acfee3c3864b4b71d50627f54b4d9377706c

                  SHA256

                  379b5ac3cc488a42a44ad1f4f8f7ccfa2ca02bce0ecee7a7f1c0f8dba8b97ac2

                  SHA512

                  5892e1df2b8b9fb579ad16b3c71de0a41c533a2ab304ed6ac2708884dcbe83655fc0687243e6b66c2c59e6f0bae1dfa70770556665e84bfd5ae6e7d08c75f674

                • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

                  MD5

                  0fea771099e342facd95a9d659548919

                  SHA1

                  9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

                  SHA256

                  6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

                  SHA512

                  2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

                • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

                  MD5

                  0fea771099e342facd95a9d659548919

                  SHA1

                  9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

                  SHA256

                  6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

                  SHA512

                  2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

                • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

                  MD5

                  0fea771099e342facd95a9d659548919

                  SHA1

                  9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

                  SHA256

                  6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

                  SHA512

                  2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

                • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

                  MD5

                  0fea771099e342facd95a9d659548919

                  SHA1

                  9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

                  SHA256

                  6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

                  SHA512

                  2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

                • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

                  MD5

                  0fea771099e342facd95a9d659548919

                  SHA1

                  9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

                  SHA256

                  6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

                  SHA512

                  2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

                • \ProgramData\mozglue.dll

                  MD5

                  8f73c08a9660691143661bf7332c3c27

                  SHA1

                  37fa65dd737c50fda710fdbde89e51374d0c204a

                  SHA256

                  3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

                  SHA512

                  0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

                • \ProgramData\nss3.dll

                  MD5

                  bfac4e3c5908856ba17d41edcd455a51

                  SHA1

                  8eec7e888767aa9e4cca8ff246eb2aacb9170428

                  SHA256

                  e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

                  SHA512

                  2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

                • memory/372-120-0x0000000000000000-mapping.dmp

                • memory/792-142-0x0000000000400000-0x00000000004D9000-memory.dmp

                • memory/792-135-0x0000000000400000-0x00000000004D9000-memory.dmp

                • memory/792-136-0x00000000004A18CD-mapping.dmp

                • memory/964-144-0x0000000000400000-0x0000000000406000-memory.dmp

                • memory/964-145-0x0000000000401AFA-mapping.dmp

                • memory/964-149-0x0000000000400000-0x0000000000406000-memory.dmp

                • memory/1032-147-0x0000000000000000-mapping.dmp

                • memory/1384-148-0x00000000001D0000-0x00000000001D4000-memory.dmp

                • memory/1384-138-0x0000000000000000-mapping.dmp

                • memory/1860-152-0x0000000000000000-mapping.dmp

                • memory/1968-153-0x0000000000000000-mapping.dmp

                • memory/1972-122-0x0000000000000000-mapping.dmp

                • memory/1972-123-0x0000000004962000-0x00000000049F4000-memory.dmp

                • memory/2352-118-0x0000000004B20000-0x0000000004C3B000-memory.dmp

                • memory/2352-115-0x0000000004A8D000-0x0000000004B1F000-memory.dmp

                • memory/2504-154-0x0000000000000000-mapping.dmp

                • memory/2860-141-0x0000000004B70000-0x0000000004C46000-memory.dmp

                • memory/2860-131-0x0000000000000000-mapping.dmp

                • memory/3024-163-0x0000000003578000-0x0000000003589000-memory.dmp

                • memory/3144-126-0x0000000000400000-0x0000000000537000-memory.dmp

                • memory/3144-125-0x0000000000424141-mapping.dmp

                • memory/3164-173-0x0000000003250000-0x000000000339A000-memory.dmp

                • memory/3164-169-0x00000000034BE000-0x00000000034CE000-memory.dmp

                • memory/3388-165-0x0000000000401AFA-mapping.dmp

                • memory/3552-119-0x0000000000400000-0x0000000000537000-memory.dmp

                • memory/3552-116-0x0000000000400000-0x0000000000537000-memory.dmp

                • memory/3552-117-0x0000000000424141-mapping.dmp

                • memory/3604-171-0x0000000000401AFA-mapping.dmp

                • memory/4064-167-0x0000000000000000-mapping.dmp