Overview

overview

10

Static

static

7

bc559e3422...b8.exe

windows7-x64

10

bc559e3422...b8.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    175s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 17:28

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General

  • Target

    bc559e34221021bd9447ec44a01514d60e3a0947ed67f6ea7b6da4537431c6b8.exe

  • Size

    1.0MB

  • MD5

    b94449517e6e249068ed414e93fd1124

  • SHA1

    f09f2517a4c1930bd6d1c12ebd0e75864bc4a7ac

  • SHA256

    bc559e34221021bd9447ec44a01514d60e3a0947ed67f6ea7b6da4537431c6b8

  • SHA512

    5769d014364e054fc75fcb221136699504dd736544deae38b52b4ff304c51950404f37d553c834921ab7a1154244d9e5b69941b7c1ec984a5724b077e3364b82

  • SSDEEP

    24576:pYAxsZn4U7D3hIC96owoKYAB+Aq/gX57L4BmAvXpDqedXUEQ1LCINN5:pY0sCU7D3mCsogYUNplINvtq6X9Un5

Score
9/10

Malware Config

Signatures

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 6 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bc559e34221021bd9447ec44a01514d60e3a0947ed67f6ea7b6da4537431c6b8.exe
    "C:\Users\Admin\AppData\Local\Temp\bc559e34221021bd9447ec44a01514d60e3a0947ed67f6ea7b6da4537431c6b8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4776
    • C:\Users\Admin\AppData\Local\Temp\bc559e34221021bd9447ec44a01514d60e3a0947ed67f6ea7b6da4537431c6b8.exe
      "C:\Users\Admin\AppData\Local\Temp\bc559e34221021bd9447ec44a01514d60e3a0947ed67f6ea7b6da4537431c6b8.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:980
      • 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:4448
        • 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⤵
            PID:2312
          • 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\holderprodkey.txt" /stext "C:\Users\Admin\AppData\Local\Temp\holderprodkey.txt"
            3⤵
              PID:2900
            • 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\holderprodkey.txt"
              3⤵
                PID:2140
              • 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\holderskypeview.txt"
                3⤵
                  PID:1332

            Network

            MITRE ATT&CK Matrix ATT&CK v6

            Initial Access

            Execution

            Scripting

            1
            T1064

            Persistence

            Privilege Escalation

            Defense Evasion

            Scripting

            1
            T1064

            Credential Access

            Discovery

            Lateral Movement

            Collection

            Exfiltration

            Command and Control

            Impact

            Replay Monitor

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            Downloads

            • memory/980-139-0x0000000074EC0000-0x0000000075471000-memory.dmp
              Filesize

              5.7MB

              Download
            • memory/980-140-0x0000000074EC0000-0x0000000075471000-memory.dmp
              Filesize

              5.7MB

              Download
            • memory/980-136-0x0000000000000000-mapping.dmp
              Download
            • memory/1332-223-0x0000000000400000-0x000000000044F000-memory.dmp
              Filesize

              316KB

              Download
            • memory/1332-221-0x0000000000000000-mapping.dmp
              Download
            • memory/2312-142-0x0000000000000000-mapping.dmp
              Download
            • memory/2900-170-0x0000000000000000-mapping.dmp
              Download
            • memory/2900-173-0x0000000000400000-0x0000000000415000-memory.dmp
              Filesize

              84KB

              Download
            • memory/4448-141-0x0000000000000000-mapping.dmp
              Download
            • memory/4448-143-0x0000000000400000-0x0000000000459000-memory.dmp
              Filesize

              356KB

              Download
            • memory/4776-138-0x0000000074EC0000-0x0000000075471000-memory.dmp
              Filesize

              5.7MB

              Download
            • memory/4776-135-0x0000000074EC0000-0x0000000075471000-memory.dmp
              Filesize

              5.7MB

              Download
            • memory/4776-132-0x0000000074EC0000-0x0000000075471000-memory.dmp
              Filesize

              5.7MB

              Download
            • memory/4776-134-0x0000000074EC0000-0x0000000075471000-memory.dmp
              Filesize

              5.7MB

              Download
            • memory/4776-133-0x0000000074EC0000-0x0000000075471000-memory.dmp
              Filesize

              5.7MB

              Download