Analysis

  • max time kernel
    78s
  • max time network
    174s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    22-06-2022 07:16

General

  • Target

    2eb69eb4a2d104a90c53f8931a2c52dc649afe129f83fab568c252271b1819ed.exe

  • Size

    554KB

  • MD5

    882f3fea08adb86c77cb49f5beaa7140

  • SHA1

    6ae59d1ac44222bfb00fd57a675a8e75b231ea26

  • SHA256

    2eb69eb4a2d104a90c53f8931a2c52dc649afe129f83fab568c252271b1819ed

  • SHA512

    33dc65cee717ff6ab42f6ff4e9e305afed58b17c42868d635192042a09427dc713a293844f05d91b38a57f154d9de5f686e487b108c8178e557ad77879e253dd

Malware Config

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
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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
  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2eb69eb4a2d104a90c53f8931a2c52dc649afe129f83fab568c252271b1819ed.exe
    "C:\Users\Admin\AppData\Local\Temp\2eb69eb4a2d104a90c53f8931a2c52dc649afe129f83fab568c252271b1819ed.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Users\Admin\Documents\filemanagerr.exe
      "C:\Users\Admin\Documents\filemanagerr.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1544
      • C:\Users\Admin\Documents\filemanagerr.exe
        "C:\Users\Admin\Documents\filemanagerr.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2028
        • 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"
          4⤵
          • Accesses Microsoft Outlook accounts
          PID:1580
        • 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"
          4⤵
            PID:1112

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Defense Evasion

    Scripting

    1
    T1064

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    System Information Discovery

    1
    T1082

    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

    • C:\Users\Admin\AppData\Roaming\New text document.txt
      Filesize

      32B

      MD5

      c507a2a99e3fa95b0fe37b8e67c229ad

      SHA1

      b30010c98c70668981e80f44f347497eb54d400c

      SHA256

      e0a24e698043e9f3810c35afc585fe1767b8d6b4149946702bbf8e47974f0251

      SHA512

      465217eecedf2664ccdaf1d9504349a3bf0e3b51287b8ef3690b7c30a39769df9c6e6e7a34fe7ee30e156ece610ebb36366dd5d1dc5b72b6875006ee4a5d95b9

    • C:\Users\Admin\Documents\filemanagerr.exe
      Filesize

      554KB

      MD5

      882f3fea08adb86c77cb49f5beaa7140

      SHA1

      6ae59d1ac44222bfb00fd57a675a8e75b231ea26

      SHA256

      2eb69eb4a2d104a90c53f8931a2c52dc649afe129f83fab568c252271b1819ed

      SHA512

      33dc65cee717ff6ab42f6ff4e9e305afed58b17c42868d635192042a09427dc713a293844f05d91b38a57f154d9de5f686e487b108c8178e557ad77879e253dd

    • C:\Users\Admin\Documents\filemanagerr.exe
      Filesize

      554KB

      MD5

      882f3fea08adb86c77cb49f5beaa7140

      SHA1

      6ae59d1ac44222bfb00fd57a675a8e75b231ea26

      SHA256

      2eb69eb4a2d104a90c53f8931a2c52dc649afe129f83fab568c252271b1819ed

      SHA512

      33dc65cee717ff6ab42f6ff4e9e305afed58b17c42868d635192042a09427dc713a293844f05d91b38a57f154d9de5f686e487b108c8178e557ad77879e253dd

    • C:\Users\Admin\Documents\filemanagerr.exe
      Filesize

      554KB

      MD5

      882f3fea08adb86c77cb49f5beaa7140

      SHA1

      6ae59d1ac44222bfb00fd57a675a8e75b231ea26

      SHA256

      2eb69eb4a2d104a90c53f8931a2c52dc649afe129f83fab568c252271b1819ed

      SHA512

      33dc65cee717ff6ab42f6ff4e9e305afed58b17c42868d635192042a09427dc713a293844f05d91b38a57f154d9de5f686e487b108c8178e557ad77879e253dd

    • \Users\Admin\Documents\filemanagerr.exe
      Filesize

      554KB

      MD5

      882f3fea08adb86c77cb49f5beaa7140

      SHA1

      6ae59d1ac44222bfb00fd57a675a8e75b231ea26

      SHA256

      2eb69eb4a2d104a90c53f8931a2c52dc649afe129f83fab568c252271b1819ed

      SHA512

      33dc65cee717ff6ab42f6ff4e9e305afed58b17c42868d635192042a09427dc713a293844f05d91b38a57f154d9de5f686e487b108c8178e557ad77879e253dd

    • memory/1112-89-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1112-82-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1112-83-0x0000000000442628-mapping.dmp
    • memory/1112-86-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1112-87-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1544-57-0x0000000000000000-mapping.dmp
    • memory/1544-64-0x0000000074F50000-0x00000000754FB000-memory.dmp
      Filesize

      5.7MB

    • memory/1544-69-0x0000000074F50000-0x00000000754FB000-memory.dmp
      Filesize

      5.7MB

    • memory/1544-63-0x0000000074F50000-0x00000000754FB000-memory.dmp
      Filesize

      5.7MB

    • memory/1580-81-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1580-75-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1580-76-0x0000000000411654-mapping.dmp
    • memory/1580-79-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1580-80-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1640-54-0x0000000075AE1000-0x0000000075AE3000-memory.dmp
      Filesize

      8KB

    • memory/1640-61-0x0000000074F50000-0x00000000754FB000-memory.dmp
      Filesize

      5.7MB

    • memory/1640-55-0x0000000074F50000-0x00000000754FB000-memory.dmp
      Filesize

      5.7MB

    • memory/2028-74-0x0000000074EE0000-0x000000007548B000-memory.dmp
      Filesize

      5.7MB

    • memory/2028-73-0x0000000074EE0000-0x000000007548B000-memory.dmp
      Filesize

      5.7MB

    • memory/2028-71-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/2028-68-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/2028-65-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB