Analysis

  • max time kernel
    151s
  • max time network
    90s
  • platform
    windows7_x64
  • resource
    win7-20220414-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 28 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:604
    • 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:2040
      • 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:1552
      • 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:1492

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/604-54-0x00000000012C0000-0x0000000001364000-memory.dmp
      Filesize

      656KB

    • memory/604-55-0x00000000007C0000-0x0000000000850000-memory.dmp
      Filesize

      576KB

    • memory/604-56-0x00000000757C1000-0x00000000757C3000-memory.dmp
      Filesize

      8KB

    • memory/604-58-0x0000000000380000-0x0000000000383000-memory.dmp
      Filesize

      12KB

    • memory/1492-69-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1492-70-0x0000000000442628-mapping.dmp
    • memory/1492-73-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1492-74-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1552-63-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1552-64-0x0000000000411654-mapping.dmp
    • memory/1552-67-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1552-68-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/2040-61-0x0000000004C75000-0x0000000004C86000-memory.dmp
      Filesize

      68KB

    • memory/2040-62-0x0000000000910000-0x0000000000918000-memory.dmp
      Filesize

      32KB

    • memory/2040-60-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/2040-57-0x0000000000480C5E-mapping.dmp