Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220414-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-07-2022 01:43

General

  • Target

    Quotation.exe

  • Size

    668KB

  • MD5

    e3f0a2033a78e307a71320217ef738bc

  • SHA1

    c27e02a95ee0a960cfca209db890c4508fcf4954

  • SHA256

    c111b6a522bd2d810182c96174d6e5b06396a07fe06a711d7d018b517461e358

  • SHA512

    8e24817a9192dfe21240b3fe5e909938650e4706fd7f1b62cf47091f90efbf2003290af55b65c6c4656610d02c0433c71aaf14a03eb38da67ec874539e48d4ab

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.vivaldi.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    application@

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 6 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 10 IoCs
  • 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.

  • 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 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quotation.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3932
    • C:\Users\Admin\AppData\Local\Temp\Quotation.exe
      C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2280
      • 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:3772
      • 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:1452

    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/1452-163-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1452-161-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1452-160-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1452-158-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2280-149-0x00007FF91FAD0000-0x00007FF91FCC5000-memory.dmp

      Filesize

      2.0MB

    • memory/2280-139-0x0000000000400000-0x000000000047B000-memory.dmp

      Filesize

      492KB

    • memory/2280-145-0x00007FF91FAD0000-0x00007FF91FCC5000-memory.dmp

      Filesize

      2.0MB

    • memory/2280-146-0x0000000077D10000-0x0000000077EB3000-memory.dmp

      Filesize

      1.6MB

    • memory/2280-147-0x0000000075380000-0x0000000075931000-memory.dmp

      Filesize

      5.7MB

    • memory/2280-148-0x00000000005C0000-0x00000000005C7000-memory.dmp

      Filesize

      28KB

    • memory/2280-150-0x0000000077D10000-0x0000000077EB3000-memory.dmp

      Filesize

      1.6MB

    • memory/2280-151-0x0000000075380000-0x0000000075931000-memory.dmp

      Filesize

      5.7MB

    • memory/2280-137-0x0000000000400000-0x00000000004A7000-memory.dmp

      Filesize

      668KB

    • memory/2280-142-0x0000000006B40000-0x0000000006BD4000-memory.dmp

      Filesize

      592KB

    • memory/3772-155-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/3772-156-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/3772-153-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/3932-136-0x0000000077D10000-0x0000000077EB3000-memory.dmp

      Filesize

      1.6MB

    • memory/3932-135-0x00007FF91FAD0000-0x00007FF91FCC5000-memory.dmp

      Filesize

      2.0MB

    • memory/3932-134-0x00000000022F0000-0x00000000022F7000-memory.dmp

      Filesize

      28KB

    • memory/3932-132-0x00000000022F0000-0x00000000022F7000-memory.dmp

      Filesize

      28KB