Analysis

  • max time kernel
    121s
  • max time network
    180s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-06-2022 03:15

General

  • Target

    3097002f3918903a6b3542660d8a8521e498f1638b0ec236969ba6ccf3718cb0.exe

  • Size

    1.1MB

  • MD5

    93e14e7f69673f008a2cec126e19ea60

  • SHA1

    dd753748784deb2b9a09ab3892521878a655a237

  • SHA256

    3097002f3918903a6b3542660d8a8521e498f1638b0ec236969ba6ccf3718cb0

  • SHA512

    0c0b92446c0a52ddd47459de4d34e2c402a18f34aa0e67de2cc49e9245df4c06d27d704918aed34d203945e8fc6761fbd6e32ed549eec99c162d1f57cd4194d1

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    longwheelbase2018@yandex.com
  • Password:
    success

Signatures

  • HawkEye

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

  • NirSoft MailPassView 6 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 6 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 11 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3097002f3918903a6b3542660d8a8521e498f1638b0ec236969ba6ccf3718cb0.exe
    "C:\Users\Admin\AppData\Local\Temp\3097002f3918903a6b3542660d8a8521e498f1638b0ec236969ba6ccf3718cb0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1588
    • C:\Users\Admin\AppData\Local\Temp\3097002f3918903a6b3542660d8a8521e498f1638b0ec236969ba6ccf3718cb0.exe
      C:\Users\Admin\AppData\Local\Temp\3097002f3918903a6b3542660d8a8521e498f1638b0ec236969ba6ccf3718cb0.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1960
      • 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:1908
      • 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:676

    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

    2
    T1112

    Install Root Certificate

    1
    T1130

    Credential Access

    Credentials in Files

    1
    T1081

    Collection

    Data from Local System

    1
    T1005

    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/676-83-0x0000000000442628-mapping.dmp
    • memory/676-89-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/676-87-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/676-86-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/676-82-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1588-59-0x0000000077240000-0x00000000773C0000-memory.dmp
      Filesize

      1.5MB

    • memory/1588-57-0x0000000075CF1000-0x0000000075CF3000-memory.dmp
      Filesize

      8KB

    • memory/1588-56-0x00000000002C0000-0x00000000002C7000-memory.dmp
      Filesize

      28KB

    • memory/1908-79-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1908-81-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1908-80-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1908-75-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1908-76-0x0000000000411654-mapping.dmp
    • memory/1960-67-0x0000000000480000-0x0000000000510000-memory.dmp
      Filesize

      576KB

    • memory/1960-74-0x0000000074410000-0x00000000749BB000-memory.dmp
      Filesize

      5.7MB

    • memory/1960-73-0x0000000077240000-0x00000000773C0000-memory.dmp
      Filesize

      1.5MB

    • memory/1960-72-0x0000000074410000-0x00000000749BB000-memory.dmp
      Filesize

      5.7MB

    • memory/1960-71-0x0000000077240000-0x00000000773C0000-memory.dmp
      Filesize

      1.5MB

    • memory/1960-70-0x0000000077240000-0x00000000773C0000-memory.dmp
      Filesize

      1.5MB

    • memory/1960-69-0x0000000008C70000-0x0000000008DF8000-memory.dmp
      Filesize

      1.5MB

    • memory/1960-63-0x0000000000400000-0x0000000000477000-memory.dmp
      Filesize

      476KB

    • memory/1960-58-0x000000000049A910-mapping.dmp