Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-09-2024 18:30

General

  • Target

    rQUu2eHuvuSOA1L.exe

  • Size

    652KB

  • MD5

    999c2c940d0c49ab173cd107e6d5323c

  • SHA1

    8e14d16e2a7ca0e253203fbb9c44814d7ed6b3f4

  • SHA256

    3b318399e094b9024f2b6c8d92eff595a636b147b4bf240752e92a6bcd7b7fd8

  • SHA512

    5b3d480b1569a8780098cfe80a9ae3fda010d601979ed0973d1e86a1ee34003eedd21d5d1fe8c98fdba059da7ae7c6bd20f3c6cdbb309a2fc3c9e7d094e85d4d

  • SSDEEP

    12288:+SaxzV17d704jDHWOkAJbH4aQDbRE8hUrHmAxOqZysQpryO0Nsy9i72l:KzV1R7RH9kAZARUjSz3yOysykE

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.apexrnun.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    %qroUozO;(C2Rlyb

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe
    "C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2416
    • C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe
      "C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe"
      2⤵
        PID:3520
      • C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe
        "C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe"
        2⤵
          PID:5016
        • C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe
          "C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe"
          2⤵
            PID:4860
          • C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe
            "C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe"
            2⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2828

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_o51xs1gs.icr.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/1420-6-0x0000000005720000-0x0000000005730000-memory.dmp

          Filesize

          64KB

        • memory/1420-2-0x00000000057B0000-0x0000000005D54000-memory.dmp

          Filesize

          5.6MB

        • memory/1420-3-0x0000000005200000-0x0000000005292000-memory.dmp

          Filesize

          584KB

        • memory/1420-4-0x00000000053B0000-0x00000000053BA000-memory.dmp

          Filesize

          40KB

        • memory/1420-5-0x00000000744D0000-0x0000000074C80000-memory.dmp

          Filesize

          7.7MB

        • memory/1420-16-0x00000000744D0000-0x0000000074C80000-memory.dmp

          Filesize

          7.7MB

        • memory/1420-7-0x00000000744DE000-0x00000000744DF000-memory.dmp

          Filesize

          4KB

        • memory/1420-8-0x00000000744D0000-0x0000000074C80000-memory.dmp

          Filesize

          7.7MB

        • memory/1420-9-0x0000000006710000-0x0000000006794000-memory.dmp

          Filesize

          528KB

        • memory/1420-10-0x000000000A200000-0x000000000A29C000-memory.dmp

          Filesize

          624KB

        • memory/1420-1-0x0000000000760000-0x000000000080A000-memory.dmp

          Filesize

          680KB

        • memory/1420-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

          Filesize

          4KB

        • memory/2416-26-0x0000000006040000-0x0000000006062000-memory.dmp

          Filesize

          136KB

        • memory/2416-53-0x0000000007E30000-0x0000000007E3E000-memory.dmp

          Filesize

          56KB

        • memory/2416-59-0x00000000744D0000-0x0000000074C80000-memory.dmp

          Filesize

          7.7MB

        • memory/2416-17-0x00000000744D0000-0x0000000074C80000-memory.dmp

          Filesize

          7.7MB

        • memory/2416-56-0x0000000007F20000-0x0000000007F28000-memory.dmp

          Filesize

          32KB

        • memory/2416-18-0x00000000744D0000-0x0000000074C80000-memory.dmp

          Filesize

          7.7MB

        • memory/2416-55-0x0000000007F40000-0x0000000007F5A000-memory.dmp

          Filesize

          104KB

        • memory/2416-13-0x0000000005310000-0x0000000005346000-memory.dmp

          Filesize

          216KB

        • memory/2416-54-0x0000000007E40000-0x0000000007E54000-memory.dmp

          Filesize

          80KB

        • memory/2416-31-0x00000000062E0000-0x0000000006346000-memory.dmp

          Filesize

          408KB

        • memory/2416-32-0x0000000006520000-0x0000000006874000-memory.dmp

          Filesize

          3.3MB

        • memory/2416-33-0x00000000068A0000-0x00000000068BE000-memory.dmp

          Filesize

          120KB

        • memory/2416-34-0x0000000006900000-0x000000000694C000-memory.dmp

          Filesize

          304KB

        • memory/2416-36-0x0000000070150000-0x000000007019C000-memory.dmp

          Filesize

          304KB

        • memory/2416-35-0x0000000007880000-0x00000000078B2000-memory.dmp

          Filesize

          200KB

        • memory/2416-46-0x0000000006E80000-0x0000000006E9E000-memory.dmp

          Filesize

          120KB

        • memory/2416-47-0x00000000078C0000-0x0000000007963000-memory.dmp

          Filesize

          652KB

        • memory/2416-48-0x0000000008240000-0x00000000088BA000-memory.dmp

          Filesize

          6.5MB

        • memory/2416-49-0x0000000007C00000-0x0000000007C1A000-memory.dmp

          Filesize

          104KB

        • memory/2416-50-0x0000000007C70000-0x0000000007C7A000-memory.dmp

          Filesize

          40KB

        • memory/2416-51-0x0000000007E80000-0x0000000007F16000-memory.dmp

          Filesize

          600KB

        • memory/2416-52-0x0000000007E00000-0x0000000007E11000-memory.dmp

          Filesize

          68KB

        • memory/2416-15-0x00000000059C0000-0x0000000005FE8000-memory.dmp

          Filesize

          6.2MB

        • memory/2828-11-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2828-20-0x0000000005950000-0x00000000059B6000-memory.dmp

          Filesize

          408KB

        • memory/2828-19-0x00000000744D0000-0x0000000074C80000-memory.dmp

          Filesize

          7.7MB

        • memory/2828-14-0x00000000744D0000-0x0000000074C80000-memory.dmp

          Filesize

          7.7MB

        • memory/2828-60-0x0000000006E70000-0x0000000006EC0000-memory.dmp

          Filesize

          320KB

        • memory/2828-61-0x00000000744D0000-0x0000000074C80000-memory.dmp

          Filesize

          7.7MB