Overview

overview

10

Static

static

T.HALK BAN...si.exe

windows7_x64

1

T.HALK BAN...si.exe

windows10_x64

10

Analysis

  • max time kernel
    103s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    10/12/2020, 11:18

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General

  • Target
    T.HALK BANKASI A.S. 10.12.2020 Hesap Ekstresi.exe
  • Size 429KB
  • Sample201210-wc5ka8cl9j
  • SHA256 e5494aa04c88444aaa9e2d455b3e644aa5ce5a925afd3c5ff1c6b9ecee44d5e3
  • MD5 SHA1 SHA512
Score
10/10
spyware

Malware Config

Extracted

Credentials
  • Protocol

    smtp
  • Host

    pro40.emailserver.vn
  • Port

    587
  • Username

    [email protected]
  • Password

    Vexa@2013

Signatures

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spyware
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spyware
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • 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 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\T.HALK BANKASI A.S. 10.12.2020 Hesap Ekstresi.exe
    "C:\Users\Admin\AppData\Local\Temp\T.HALK BANKASI A.S. 10.12.2020 Hesap Ekstresi.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4640
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\41cd1d4fecc74645bf60440e4f5e93ef.xml"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5056
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\41cd1d4fecc74645bf60440e4f5e93ef.xml"
        3⤵
        • Creates scheduled task(s)
        PID:4104
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5068

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/5068-3-0x0000000000400000-0x000000000046A000-memory.dmp
        Download

        memory/5068-7-0x0000000073D60000-0x000000007444E000-memory.dmp
        Download

        memory/5068-11-0x00000000054D0000-0x00000000054D1000-memory.dmp
        Download

        memory/5068-12-0x0000000005A70000-0x0000000005A71000-memory.dmp
        Download

        memory/5068-13-0x0000000006500000-0x0000000006501000-memory.dmp
        Download

        memory/5068-14-0x0000000006770000-0x0000000006771000-memory.dmp
        Download

        memory/5068-15-0x00000000066D0000-0x00000000066D1000-memory.dmp
        Download