Analysis

  • max time kernel
    104s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 18:53

General

  • Target

    c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe

  • Size

    546KB

  • MD5

    10c7a3129013b5cf9b6568239efb68a6

  • SHA1

    966797bab8af96e91601225a76cdd9ef86af6524

  • SHA256

    c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269

  • SHA512

    080d9a26b6e6eb95fa52cde6bac8e52cb865956ee5068b253a2d6dea2d982048e432d38598f0e6093d617271f775c8f2a694df685c9f2b6ef7031d086d159e9c

  • SSDEEP

    12288:uR4JIfBsDKnR83RP9E1W0TsNJC0+VcdmzkjRQetj+WgaJ8:uR4JHDxE1WesNJC0+VcdmzkjRNl+W

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    kevinstewartmail@gmail.com
  • Password:
    idrisbaba1

Signatures

  • HawkEye

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

  • NirSoft MailPassView 11 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 11 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 16 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 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 1 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\c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe
    "C:\Users\Admin\AppData\Local\Temp\c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Users\Admin\AppData\Local\Temp\c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe
      "C:\Users\Admin\AppData\Local\Temp\c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.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:1980
      • 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:1388
      • 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:980

    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/980-79-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/980-80-0x0000000000442628-mapping.dmp
    • memory/980-85-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/980-84-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/980-83-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1388-78-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1388-72-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1388-77-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1388-76-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1388-73-0x0000000000411654-mapping.dmp
    • memory/1752-54-0x0000000075931000-0x0000000075933000-memory.dmp
      Filesize

      8KB

    • memory/1752-55-0x0000000074770000-0x0000000074D1B000-memory.dmp
      Filesize

      5.7MB

    • memory/1752-69-0x0000000074770000-0x0000000074D1B000-memory.dmp
      Filesize

      5.7MB

    • memory/1980-61-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1980-71-0x0000000000525000-0x0000000000536000-memory.dmp
      Filesize

      68KB

    • memory/1980-70-0x0000000074770000-0x0000000074D1B000-memory.dmp
      Filesize

      5.7MB

    • memory/1980-68-0x0000000074770000-0x0000000074D1B000-memory.dmp
      Filesize

      5.7MB

    • memory/1980-66-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1980-64-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1980-62-0x000000000047EA8E-mapping.dmp
    • memory/1980-57-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1980-60-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1980-59-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1980-56-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1980-87-0x0000000000525000-0x0000000000536000-memory.dmp
      Filesize

      68KB