Analysis

  • max time kernel
    111s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 06:43

General

  • Target

    fb5f2c16ed59f0b7ae25bbeb9bed2de49948e78d18b5659f9eaacca29b65cafa.exe

  • Size

    633KB

  • MD5

    3699aaf13e4c7a6af0fb51762aeb2e4a

  • SHA1

    a3490c719b593b14c3763ac0ce9633e5730cf218

  • SHA256

    fb5f2c16ed59f0b7ae25bbeb9bed2de49948e78d18b5659f9eaacca29b65cafa

  • SHA512

    2eb82e12a1d932b20d228a542409c496e88ebf67b21165dbff4a70a4d7b011bbe7be6f31d85597725e0095e2bd7651fd551bc71d2336de884498e6d715316ae9

  • SSDEEP

    12288:gUxtb6xklSM2IszglAlgJVIpPYBqAFMr10wRJGVljMk6mayoVAXW7NShs+R6:g67lSMRs5lgJVI5YMAsy7VljMxOqN

Malware Config

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
  • 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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb5f2c16ed59f0b7ae25bbeb9bed2de49948e78d18b5659f9eaacca29b65cafa.exe
    "C:\Users\Admin\AppData\Local\Temp\fb5f2c16ed59f0b7ae25bbeb9bed2de49948e78d18b5659f9eaacca29b65cafa.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1452
    • C:\Users\Admin\AppData\Local\Temp\fb5f2c16ed59f0b7ae25bbeb9bed2de49948e78d18b5659f9eaacca29b65cafa.exe
      "C:\Users\Admin\AppData\Local\Temp\fb5f2c16ed59f0b7ae25bbeb9bed2de49948e78d18b5659f9eaacca29b65cafa.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1572
      • 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:340
      • 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:1988

    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

    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/340-73-0x0000000000411654-mapping.dmp
    • memory/340-79-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/340-78-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/340-76-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/340-72-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1452-70-0x0000000074550000-0x0000000074AFB000-memory.dmp
      Filesize

      5.7MB

    • memory/1452-54-0x0000000075041000-0x0000000075043000-memory.dmp
      Filesize

      8KB

    • memory/1452-55-0x0000000074550000-0x0000000074AFB000-memory.dmp
      Filesize

      5.7MB

    • memory/1452-56-0x0000000074550000-0x0000000074AFB000-memory.dmp
      Filesize

      5.7MB

    • memory/1572-77-0x0000000002165000-0x0000000002176000-memory.dmp
      Filesize

      68KB

    • memory/1572-65-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1572-67-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1572-71-0x0000000074550000-0x0000000074AFB000-memory.dmp
      Filesize

      5.7MB

    • memory/1572-61-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1572-60-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1572-58-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1572-62-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1572-57-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1572-69-0x0000000074550000-0x0000000074AFB000-memory.dmp
      Filesize

      5.7MB

    • memory/1572-88-0x0000000002165000-0x0000000002176000-memory.dmp
      Filesize

      68KB

    • memory/1572-63-0x000000000047EA8E-mapping.dmp
    • memory/1988-84-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1988-85-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1988-81-0x0000000000442628-mapping.dmp
    • memory/1988-87-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1988-80-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB