Analysis

  • max time kernel
    145s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    01-07-2022 03:52

General

  • Target

    a19ef3c8f6c0c6ce70f506b53b53a3a17b42d72fa10153a041e6a5e85ea4277d.exe

  • Size

    764KB

  • MD5

    d676648ba14480398bb328d1282d32a5

  • SHA1

    a68f335c3df9f10bfd499445ba060512d70b4bc7

  • SHA256

    a19ef3c8f6c0c6ce70f506b53b53a3a17b42d72fa10153a041e6a5e85ea4277d

  • SHA512

    3c3357aee7f5b7875950682900b4b7e2f70c5451d019b37043b3e9aaa5307b08050e7c258cc84c3f466c4ac34301206d13cdce442e8e0050b8751875c5689350

Score
9/10

Malware Config

Signatures

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a19ef3c8f6c0c6ce70f506b53b53a3a17b42d72fa10153a041e6a5e85ea4277d.exe
    "C:\Users\Admin\AppData\Local\Temp\a19ef3c8f6c0c6ce70f506b53b53a3a17b42d72fa10153a041e6a5e85ea4277d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:388
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4512
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tmp8CDE.tmp"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3512
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tmpA0E4.tmp"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:5028

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8CDE.tmp

    Filesize

    4KB

    MD5

    a44410c464bc23ac615f732de976447c

    SHA1

    e13bb8bfa077dd78dda795b3c21750f217ba4d36

    SHA256

    a1a6fab77bd9c6713b610b41cb025ba806b8fd64fb80b862e1c44ab2277545a6

    SHA512

    15e8af0f65161d9ffe068f10083bb2aebfa9be89a36ca6816853f05b58dd05ea46c5abd2f306a354b6ce9eeab20f26a900c6cf3233553bacf168dcbefb79e31a

  • memory/388-131-0x0000000075480000-0x0000000075A31000-memory.dmp

    Filesize

    5.7MB

  • memory/388-134-0x0000000075480000-0x0000000075A31000-memory.dmp

    Filesize

    5.7MB

  • memory/388-130-0x0000000075480000-0x0000000075A31000-memory.dmp

    Filesize

    5.7MB

  • memory/3512-141-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/3512-142-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/3512-137-0x0000000000000000-mapping.dmp

  • memory/3512-138-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/3512-140-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/4512-135-0x0000000075480000-0x0000000075A31000-memory.dmp

    Filesize

    5.7MB

  • memory/4512-136-0x0000000075480000-0x0000000075A31000-memory.dmp

    Filesize

    5.7MB

  • memory/4512-132-0x0000000000000000-mapping.dmp

  • memory/5028-144-0x0000000000000000-mapping.dmp

  • memory/5028-145-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/5028-147-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/5028-148-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB