Analysis

  • max time kernel
    139s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/09/2022, 12:31

General

  • Target
    Purchase Order No. PO2732559-022.pdf (742 KB).exe
  • Size 808KB
  • Sample220905-pp2qeabfd2
  • SHA256 ea32c3c39c8c3f83e95916262d37b5aa49c920a9356dcebfa639b8391413ae9a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • netwire

C2
  • podzeye2.duckdns.org:4433

  • podzeye2.duckdns.org:4411

  • podzeye2.duckdns.org:4422

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • lock_executable

    false

  • offline_keylogger

    false

  • password

    Password

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 5 IoCs
  • Netwire

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase Order No. PO2732559-022.pdf (742 KB).exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order No. PO2732559-022.pdf (742 KB).exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2412
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QUpHmWbjFCSqN.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3368
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QUpHmWbjFCSqN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9C9E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1264
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:2572
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        2⤵
          PID:4340

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            tmp9C9E.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\tmp9C9E.tmp
            • Size 1KB
            • SHA256 4dc20feefdf2d7c0f07602ffcf70ed430d36dfc3381c7b9d7c9598f742679d16
            • MD5 SHA1 SHA512

            memory/2412-133-0x0000000005490000-0x0000000005A34000-memory.dmp

            memory/2412-134-0x0000000004D80000-0x0000000004E12000-memory.dmp

            memory/2412-135-0x0000000004D50000-0x0000000004D5A000-memory.dmp

            memory/2412-136-0x0000000008A10000-0x0000000008AAC000-memory.dmp

            memory/2412-137-0x0000000008AB0000-0x0000000008B16000-memory.dmp

            memory/2412-132-0x0000000000430000-0x0000000000500000-memory.dmp

            memory/3368-153-0x00000000718B0000-0x00000000718FC000-memory.dmp

            memory/3368-157-0x0000000007BA0000-0x0000000007BAA000-memory.dmp

            memory/3368-140-0x0000000005250000-0x0000000005286000-memory.dmp

            memory/3368-161-0x0000000007E50000-0x0000000007E58000-memory.dmp

            memory/3368-160-0x0000000007E70000-0x0000000007E8A000-memory.dmp

            memory/3368-159-0x0000000007D60000-0x0000000007D6E000-memory.dmp

            memory/3368-158-0x0000000007DB0000-0x0000000007E46000-memory.dmp

            memory/3368-148-0x0000000005890000-0x00000000058B2000-memory.dmp

            memory/3368-143-0x0000000005950000-0x0000000005F78000-memory.dmp

            memory/3368-150-0x0000000006130000-0x0000000006196000-memory.dmp

            memory/3368-151-0x0000000006830000-0x000000000684E000-memory.dmp

            memory/3368-152-0x00000000079E0000-0x0000000007A12000-memory.dmp

            memory/3368-154-0x0000000006DE0000-0x0000000006DFE000-memory.dmp

            memory/3368-155-0x0000000008180000-0x00000000087FA000-memory.dmp

            memory/3368-156-0x0000000007B30000-0x0000000007B4A000-memory.dmp

            memory/4340-149-0x0000000000400000-0x0000000000450000-memory.dmp

            memory/4340-146-0x0000000000400000-0x0000000000450000-memory.dmp

            memory/4340-147-0x0000000000400000-0x0000000000450000-memory.dmp

            memory/4340-145-0x0000000000400000-0x0000000000450000-memory.dmp

            memory/4340-162-0x0000000000400000-0x0000000000450000-memory.dmp