Analysis

  • max time kernel
    98s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/11/2022, 18:09

General

  • Target
    SecuriteInfo.com.Variant.Barys.51933.17281.33.exe
  • Size 791KB
  • Sample221115-wrfdhsfb59
  • SHA256 1cc44e0f214cbf72c836dcbd1b1e67ad574bba62873f974432ee076072bf42cc
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • netwire

C2
  • 79.134.225.121:2210

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • install_path

    %AppData%\Install\Host.exe

  • lock_executable

    false

  • offline_keylogger

    false

  • password

    Elibee88

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 7 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Executes dropped EXE 6 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Barys.51933.17281.33.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Barys.51933.17281.33.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4240
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\URdnAiSIrsI.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4820
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\URdnAiSIrsI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp25F7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3632
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Barys.51933.17281.33.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Barys.51933.17281.33.exe"
      2⤵
        PID:3776
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Barys.51933.17281.33.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Barys.51933.17281.33.exe"
        2⤵
          PID:1188
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Barys.51933.17281.33.exe
          "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Barys.51933.17281.33.exe"
          2⤵
          • Checks computer location settings
          • Suspicious use of WriteProcessMemory
          PID:3108
          • C:\Users\Admin\AppData\Roaming\Install\Host.exe
            "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
            3⤵
            • Executes dropped EXE
            • Checks computer location settings
            • Suspicious use of SetThreadContext
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1820
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\URdnAiSIrsI.exe"
              4⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:1156
            • C:\Windows\SysWOW64\schtasks.exe
              "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\URdnAiSIrsI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD428.tmp"
              4⤵
              • Creates scheduled task(s)
              PID:2928
            • C:\Users\Admin\AppData\Roaming\Install\Host.exe
              "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
              4⤵
              • Executes dropped EXE
              PID:4624
            • C:\Users\Admin\AppData\Roaming\Install\Host.exe
              "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
              4⤵
              • Executes dropped EXE
              PID:2032
            • C:\Users\Admin\AppData\Roaming\Install\Host.exe
              "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
              4⤵
              • Executes dropped EXE
              PID:4752
            • C:\Users\Admin\AppData\Roaming\Install\Host.exe
              "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
              4⤵
              • Executes dropped EXE
              PID:2616
            • C:\Users\Admin\AppData\Roaming\Install\Host.exe
              "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
              4⤵
              • Executes dropped EXE
              PID:3996
      • C:\Windows\system32\wbem\WmiApSrv.exe
        C:\Windows\system32\wbem\WmiApSrv.exe
        1⤵
          PID:4960
        • C:\Windows\system32\wbem\WmiApSrv.exe
          C:\Windows\system32\wbem\WmiApSrv.exe
          1⤵
            PID:2456

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

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                Downloads

                powershell.exe.log

                • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
                • Size 2KB
                • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
                • MD5 SHA1 SHA512

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 18KB
                • SHA256 04b9eb6417214c6585ff5d7d4f5abd946e860c449fd94c7774f2968e03162437
                • MD5 SHA1 SHA512 SSDEEP

                tmp25F7.tmp

                • Path C:\Users\Admin\AppData\Local\Temp\tmp25F7.tmp
                • Size 1KB
                • SHA256 be65e797bc52abaaee2b8090955c7a924220c9c7cf54a305494de7cd4adc485a
                • MD5 SHA1 SHA512

                tmpD428.tmp

                • Path C:\Users\Admin\AppData\Local\Temp\tmpD428.tmp
                • Size 1KB
                • SHA256 be65e797bc52abaaee2b8090955c7a924220c9c7cf54a305494de7cd4adc485a
                • MD5 SHA1 SHA512

                Host.exe

                • Path C:\Users\Admin\AppData\Roaming\Install\Host.exe
                • Size 791KB
                • SHA256 1cc44e0f214cbf72c836dcbd1b1e67ad574bba62873f974432ee076072bf42cc
                • MD5 SHA1 SHA512 SSDEEP

                Host.exe

                • Path C:\Users\Admin\AppData\Roaming\Install\Host.exe
                • Size 791KB
                • SHA256 1cc44e0f214cbf72c836dcbd1b1e67ad574bba62873f974432ee076072bf42cc
                • MD5 SHA1 SHA512 SSDEEP

                Host.exe

                • Path C:\Users\Admin\AppData\Roaming\Install\Host.exe
                • Size 791KB
                • SHA256 1cc44e0f214cbf72c836dcbd1b1e67ad574bba62873f974432ee076072bf42cc
                • MD5 SHA1 SHA512 SSDEEP

                Host.exe

                • Path C:\Users\Admin\AppData\Roaming\Install\Host.exe
                • Size 791KB
                • SHA256 1cc44e0f214cbf72c836dcbd1b1e67ad574bba62873f974432ee076072bf42cc
                • MD5 SHA1 SHA512 SSDEEP

                Host.exe

                • Path C:\Users\Admin\AppData\Roaming\Install\Host.exe
                • Size 791KB
                • SHA256 1cc44e0f214cbf72c836dcbd1b1e67ad574bba62873f974432ee076072bf42cc
                • MD5 SHA1 SHA512 SSDEEP

                Host.exe

                • Path C:\Users\Admin\AppData\Roaming\Install\Host.exe
                • Size 791KB
                • SHA256 1cc44e0f214cbf72c836dcbd1b1e67ad574bba62873f974432ee076072bf42cc
                • MD5 SHA1 SHA512 SSDEEP

                Host.exe

                • Path C:\Users\Admin\AppData\Roaming\Install\Host.exe
                • Size 791KB
                • SHA256 1cc44e0f214cbf72c836dcbd1b1e67ad574bba62873f974432ee076072bf42cc
                • MD5 SHA1 SHA512 SSDEEP

                memory/1156-183-0x000000006FD70000-0x000000006FDBC000-memory.dmp

                memory/3108-161-0x0000000000400000-0x000000000044F000-memory.dmp

                memory/3108-164-0x0000000000400000-0x000000000044F000-memory.dmp

                memory/3108-159-0x0000000000400000-0x000000000044F000-memory.dmp

                memory/3108-160-0x0000000000400000-0x000000000044F000-memory.dmp

                memory/3996-185-0x0000000000400000-0x000000000044F000-memory.dmp

                memory/3996-184-0x0000000000400000-0x000000000044F000-memory.dmp

                memory/3996-182-0x0000000000400000-0x000000000044F000-memory.dmp

                memory/4240-134-0x0000000005A20000-0x0000000005AB2000-memory.dmp

                memory/4240-132-0x0000000000F70000-0x000000000103C000-memory.dmp

                memory/4240-135-0x00000000059D0000-0x00000000059DA000-memory.dmp

                memory/4240-136-0x0000000009440000-0x00000000094DC000-memory.dmp

                memory/4240-133-0x0000000005F30000-0x00000000064D4000-memory.dmp

                memory/4820-144-0x0000000007230000-0x0000000007262000-memory.dmp

                memory/4820-142-0x00000000051D0000-0x0000000005236000-memory.dmp

                memory/4820-141-0x0000000005160000-0x00000000051C6000-memory.dmp

                memory/4820-143-0x0000000006070000-0x000000000608E000-memory.dmp

                memory/4820-140-0x0000000004FA0000-0x0000000004FC2000-memory.dmp

                memory/4820-139-0x00000000054C0000-0x0000000005AE8000-memory.dmp

                memory/4820-151-0x00000000075B0000-0x00000000075BE000-memory.dmp

                memory/4820-138-0x0000000000FA0000-0x0000000000FD6000-memory.dmp

                memory/4820-145-0x000000006F710000-0x000000006F75C000-memory.dmp

                memory/4820-146-0x0000000006630000-0x000000000664E000-memory.dmp

                memory/4820-147-0x00000000079C0000-0x000000000803A000-memory.dmp

                memory/4820-148-0x0000000007380000-0x000000000739A000-memory.dmp

                memory/4820-149-0x00000000073F0000-0x00000000073FA000-memory.dmp

                memory/4820-150-0x0000000007600000-0x0000000007696000-memory.dmp

                memory/4820-153-0x00000000076A0000-0x00000000076A8000-memory.dmp

                memory/4820-152-0x00000000076C0000-0x00000000076DA000-memory.dmp