Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-05-2023 09:16

General

  • Target

    PO Lists --- pdf.exe

  • Size

    1.2MB

  • MD5

    e488e1a45eb1b7ea061c6a3d9f0729f7

  • SHA1

    523c99b72980e3a82a20378fe22949b2c2bf43a1

  • SHA256

    4e08d3d7a3ecb630ccf016f97a79aab7f44b255484737d574599c25acf0952b2

  • SHA512

    a8398e7323c247c5f5bd4239e44f2037aa03619828b8927c30277651128c392950bfd9a3fe59e946f28b3937b473d0ba86169b1baa52f59ed30f53ac7c8ccd53

  • SSDEEP

    12288:p0yiHh/Iwu6+pM3BHB0kTp05xm0Nj/RfycXzN/7RPyIoDvS/efj1WI0CVq:pGhNu65fI5/NjJfRpNPz1AR0C

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.lucd.ru
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    obum@911

Signatures

  • HawkEye

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

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 8 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 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\PO Lists --- pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PO Lists --- pdf.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Users\Admin\AppData\Local\Temp\PO Lists --- pdf.exe
      "{path}"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4368
      • 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:3496
      • 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:4148

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO Lists --- pdf.exe.log

      Filesize

      1KB

      MD5

      5200da2e50f24d5d543c3f10674acdcb

      SHA1

      b574a3336839882d799c0a7f635ea238efb934ee

      SHA256

      d2d81c1c9d35bc66149beaa77029bee68664d8512fc1efe373180bab77d61026

      SHA512

      24722a7de3250a6027a411c8b79d0720554c4efd59553f54b94ab77dc21efbf3191e0912901db475f08a6e9c1855d9e9594504d80d27300097418f4384a9d9cb

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

      Filesize

      3KB

      MD5

      f94dc819ca773f1e3cb27abbc9e7fa27

      SHA1

      9a7700efadc5ea09ab288544ef1e3cd876255086

      SHA256

      a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

      SHA512

      72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

    • memory/1528-133-0x0000000000C60000-0x0000000000DA2000-memory.dmp

      Filesize

      1.3MB

    • memory/1528-134-0x0000000005710000-0x00000000057AC000-memory.dmp

      Filesize

      624KB

    • memory/1528-135-0x0000000005E10000-0x00000000063B4000-memory.dmp

      Filesize

      5.6MB

    • memory/1528-136-0x0000000005860000-0x00000000058F2000-memory.dmp

      Filesize

      584KB

    • memory/1528-137-0x00000000057D0000-0x00000000057DA000-memory.dmp

      Filesize

      40KB

    • memory/1528-138-0x0000000005A10000-0x0000000005A66000-memory.dmp

      Filesize

      344KB

    • memory/1528-139-0x0000000005A00000-0x0000000005A10000-memory.dmp

      Filesize

      64KB

    • memory/1528-140-0x0000000005A00000-0x0000000005A10000-memory.dmp

      Filesize

      64KB

    • memory/1528-141-0x000000000C910000-0x000000000C976000-memory.dmp

      Filesize

      408KB

    • memory/3496-150-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/3496-152-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/3496-153-0x0000000000420000-0x00000000004E9000-memory.dmp

      Filesize

      804KB

    • memory/3496-154-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4148-157-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4148-159-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4148-160-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4148-167-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4368-147-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

      Filesize

      64KB

    • memory/4368-155-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

      Filesize

      64KB

    • memory/4368-156-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

      Filesize

      64KB

    • memory/4368-142-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/4368-168-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

      Filesize

      64KB