Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 01:35

General

  • Target

    Payment_PO.exe

  • Size

    627KB

  • MD5

    7d98f4732cff55ffe7505d4c020ac2dc

  • SHA1

    ec9b164ea991a90ec7224a3612ca7303a24edf05

  • SHA256

    893c4fed40fd177ccf67add3628dafa31ce34c2e3b77aac29fcc6d2b52be9ef4

  • SHA512

    49cda046d919a9bd39e19ccfbd3136689f9b7e8edbaf3b0dcce3bb62dec3ac80b2e28c247176cf92dfb95c0800a6fb9d24d5442220ea5112ee31340e3b3ad858

Malware Config

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 9 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 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment_PO.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment_PO.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3980
      • 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\holdermail.txt"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:1720
      • 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\holderwb.txt"
        3⤵
          PID:1064

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\holderwb.txt
      Filesize

      3KB

      MD5

      f94dc819ca773f1e3cb27abbc9e7fa27

      SHA1

      9a7700efadc5ea09ab288544ef1e3cd876255086

      SHA256

      a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

      SHA512

      72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

    • memory/1064-149-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1064-148-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1064-146-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1064-145-0x0000000000000000-mapping.dmp
    • memory/1720-141-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1720-144-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1720-143-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1720-140-0x0000000000000000-mapping.dmp
    • memory/2456-132-0x0000000005800000-0x0000000005803000-memory.dmp
      Filesize

      12KB

    • memory/2456-130-0x0000000000CE0000-0x0000000000D84000-memory.dmp
      Filesize

      656KB

    • memory/3980-134-0x0000000005510000-0x00000000055AC000-memory.dmp
      Filesize

      624KB

    • memory/3980-139-0x0000000008510000-0x0000000008576000-memory.dmp
      Filesize

      408KB

    • memory/3980-138-0x00000000057F0000-0x0000000005846000-memory.dmp
      Filesize

      344KB

    • memory/3980-137-0x00000000055E0000-0x00000000055EA000-memory.dmp
      Filesize

      40KB

    • memory/3980-136-0x0000000005650000-0x00000000056E2000-memory.dmp
      Filesize

      584KB

    • memory/3980-135-0x0000000005B60000-0x0000000006104000-memory.dmp
      Filesize

      5.6MB

    • memory/3980-133-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/3980-131-0x0000000000000000-mapping.dmp