Analysis

  • max time kernel
    132s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2022 19:04

General

  • Target

    33178b7107d55ddbbb52a9e0268ea73b9a96b8092470688e2fc3c9e76719330c.exe

  • Size

    505KB

  • MD5

    e17cee656c450820e2139ca9ad5576af

  • SHA1

    8d130ae39b9c4ad6d549532a1bfa0161785de137

  • SHA256

    33178b7107d55ddbbb52a9e0268ea73b9a96b8092470688e2fc3c9e76719330c

  • SHA512

    ede11b20e0be5106cd6cd0bdcc095927f4072dd38d19e83247288803ca9eb3a70bef04bb1677cb2842337b49bad49758a12829150ad73bb419da88ff5b277cfb

  • SSDEEP

    6144:teOFbS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9OaI:IOFQtqB5urTIoYWBQk1E+VF9mOx9Q

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    express1234

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 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 9 IoCs
  • 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\33178b7107d55ddbbb52a9e0268ea73b9a96b8092470688e2fc3c9e76719330c.exe
    "C:\Users\Admin\AppData\Local\Temp\33178b7107d55ddbbb52a9e0268ea73b9a96b8092470688e2fc3c9e76719330c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:896
    • 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"
      2⤵
      • Accesses Microsoft Outlook accounts
      PID:1752
    • 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"
      2⤵
        PID:1196

    Network

    MITRE ATT&CK Enterprise v6

    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/896-62-0x0000000074AA0000-0x000000007504B000-memory.dmp

      Filesize

      5.7MB

    • memory/896-55-0x0000000074AA0000-0x000000007504B000-memory.dmp

      Filesize

      5.7MB

    • memory/896-54-0x0000000075B41000-0x0000000075B43000-memory.dmp

      Filesize

      8KB

    • memory/1196-64-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1196-65-0x0000000000442628-mapping.dmp

    • memory/1196-68-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1196-69-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1752-61-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1752-60-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1752-63-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1752-57-0x0000000000411654-mapping.dmp

    • memory/1752-56-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB