Overview

overview

10

Static

static

10

71a71b31d3...ef.exe

windows7-x64

9

71a71b31d3...ef.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/09/2022, 10:16

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General

  • Target
    71a71b31d3efffb3deb678ed63a786ef.exe
  • Size 469KB
  • Sample220927-mas4lsdca2
  • SHA256 0773f517b40992fd3e6291eb906558588f1de9e3887bb2433f95bb4ea9f5904a
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
collectionspywarestealer

Malware Config

Signatures

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
    collection
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\71a71b31d3efffb3deb678ed63a786ef.exe
    "C:\Users\Admin\AppData\Local\Temp\71a71b31d3efffb3deb678ed63a786ef.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Users\Admin\AppData\Local\Temp\71a71b31d3efffb3deb678ed63a786ef.exe
      C:\Users\Admin\AppData\Local\Temp\71a71b31d3efffb3deb678ed63a786ef.exe /stext "C:\Users\Admin\AppData\Local\Temp\ywmpcblrhgpm"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:5092
    • C:\Users\Admin\AppData\Local\Temp\71a71b31d3efffb3deb678ed63a786ef.exe
      C:\Users\Admin\AppData\Local\Temp\71a71b31d3efffb3deb678ed63a786ef.exe /stext "C:\Users\Admin\AppData\Local\Temp\iyzhdtwsvohrvjm"
      2⤵
      • Accesses Microsoft Outlook accounts
      PID:4920
    • C:\Users\Admin\AppData\Local\Temp\71a71b31d3efffb3deb678ed63a786ef.exe
      C:\Users\Admin\AppData\Local\Temp\71a71b31d3efffb3deb678ed63a786ef.exe /stext "C:\Users\Admin\AppData\Local\Temp\ttesdlgmjwzwgxioii"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4700

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        ywmpcblrhgpm
        • Path C:\Users\Admin\AppData\Local\Temp\ywmpcblrhgpm
        • Size 4KB
        • SHA256 76d4066990e2ee2776f733a25ce23e9af545fd6f1a3b5760d603bdc05d9402d5
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/4700-136-0x0000000000400000-0x0000000000424000-memory.dmp
        Download

        memory/4920-135-0x0000000000400000-0x0000000000457000-memory.dmp
        Download

        memory/5092-137-0x0000000000400000-0x0000000000478000-memory.dmp
        Download

        memory/5092-138-0x0000000000400000-0x0000000000478000-memory.dmp
        Download