Analysis

  • max time kernel
    130s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-07-2022 06:24

General

  • Target

    4c61215602f935c30d31bc6c34e55bb13297fc5d0b306bca4ed1fd577b70fbe0.exe

  • Size

    644KB

  • MD5

    3f89d02b34d744e61e88bbca179990d8

  • SHA1

    773d359222ca6ec67f388dcca81a54b4941cf20f

  • SHA256

    4c61215602f935c30d31bc6c34e55bb13297fc5d0b306bca4ed1fd577b70fbe0

  • SHA512

    fcc5547c869595e48bf40405aeb02615d774db8cb5a2cc120f0fa5f27a400e59116e71e3b1d5c468c3f7cdf3a245be97d4e6f89d954d898542bebc5ff9a9e162

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    pil.ge@yandex.com
  • Password:
    waterly12

Signatures

  • HawkEye

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

  • NirSoft MailPassView 8 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 8 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 13 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 3 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c61215602f935c30d31bc6c34e55bb13297fc5d0b306bca4ed1fd577b70fbe0.exe
    "C:\Users\Admin\AppData\Local\Temp\4c61215602f935c30d31bc6c34e55bb13297fc5d0b306bca4ed1fd577b70fbe0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Users\Admin\AppData\Local\Temp\4c61215602f935c30d31bc6c34e55bb13297fc5d0b306bca4ed1fd577b70fbe0.exe
      "C:\Users\Admin\AppData\Local\Temp\4c61215602f935c30d31bc6c34e55bb13297fc5d0b306bca4ed1fd577b70fbe0.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1704
      • 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:1820
      • 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:1916

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Scripting

    1
    T1064

    Modify Registry

    1
    T1112

    Collection

    Email Collection

    1
    T1114

    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/1580-65-0x00000000748C0000-0x0000000074E6B000-memory.dmp
      Filesize

      5.7MB

    • memory/1580-55-0x00000000748C0000-0x0000000074E6B000-memory.dmp
      Filesize

      5.7MB

    • memory/1580-56-0x00000000748C0000-0x0000000074E6B000-memory.dmp
      Filesize

      5.7MB

    • memory/1580-57-0x0000000002156000-0x0000000002167000-memory.dmp
      Filesize

      68KB

    • memory/1580-58-0x0000000002156000-0x0000000002167000-memory.dmp
      Filesize

      68KB

    • memory/1580-54-0x0000000076811000-0x0000000076813000-memory.dmp
      Filesize

      8KB

    • memory/1580-67-0x0000000002156000-0x0000000002167000-memory.dmp
      Filesize

      68KB

    • memory/1704-59-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1704-66-0x00000000748C0000-0x0000000074E6B000-memory.dmp
      Filesize

      5.7MB

    • memory/1704-63-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1704-68-0x00000000748C0000-0x0000000074E6B000-memory.dmp
      Filesize

      5.7MB

    • memory/1704-61-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1820-74-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1820-73-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1820-70-0x0000000000411654-mapping.dmp
    • memory/1820-69-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1820-83-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1916-75-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1916-76-0x0000000000442628-mapping.dmp
    • memory/1916-79-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1916-80-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1916-81-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB