Analysis

  • max time kernel
    119s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 02:03

General

  • Target

    4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe

  • Size

    689KB

  • MD5

    217fd03c398f156a343e2791206505ad

  • SHA1

    cc819116f40772ec1ffba29c452063c04d552eaf

  • SHA256

    4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff

  • SHA512

    fcb633fa506a5212e37fb138b216585af1ad7b25c18685a97ca1b7b9ed4794da7291053da5eefac2a1dac17242feb3f20e6d976db7f7cd7f7794522a4a800af1

  • SSDEEP

    12288:H4rx504bFC8VPhPXJfgEbUUz7oBIxtNwwWyPtPew42OZca7L+xN:Yrw4bPPPfg2UYNwwW+PqDZcALg

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    w#chNV#1

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe
    "C:\Users\Admin\AppData\Local\Temp\4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4464
    • 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\4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3324
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cGhOYFUbb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2964
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cGhOYFUbb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5BBC.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2464
    • C:\Users\Admin\AppData\Local\Temp\4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe
      "C:\Users\Admin\AppData\Local\Temp\4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe"
      2⤵
        PID:2884
      • C:\Users\Admin\AppData\Local\Temp\4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe
        "C:\Users\Admin\AppData\Local\Temp\4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe"
        2⤵
          PID:3380
        • C:\Users\Admin\AppData\Local\Temp\4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe
          "C:\Users\Admin\AppData\Local\Temp\4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe"
          2⤵
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4780

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        18KB

        MD5

        f319482c7928cd2a1a31d6a2f44d5db9

        SHA1

        c85e35aca1a35da3b7971fac0366ffbb4cbee435

        SHA256

        d98c99d0447fab182ae0763fe95b27264537583f345c6af64734db141c405062

        SHA512

        0cb27ab377ad1f9abdd5188c8c72726faa2b9ff178c1066aff89ced80eb39e2dbef506e1a83b94f5677930744f80d2a1697c5a6c40363da7ac6491a805473bcd

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vu0zavah.vxc.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmp5BBC.tmp

        Filesize

        1KB

        MD5

        71f8f48170c857c8235cd3ace96badc5

        SHA1

        a4b833e333e735263a85ccd78d610d30584891d9

        SHA256

        7402a899184c79d011fcb0ef2ce15c0c489da74be39c21744cfeb834dae2e2a8

        SHA512

        6e4fa2e8ffccd467b8586ffe4e633bd7b7aa1f9b4a905ab7e8210d167891df9c00b8c6d3e479e9e81235146833dcff35b91f825fc55c010fc21dcb3284929ac9

      • memory/2964-50-0x0000000071620000-0x000000007166C000-memory.dmp

        Filesize

        304KB

      • memory/2964-77-0x0000000007AC0000-0x0000000007AD4000-memory.dmp

        Filesize

        80KB

      • memory/2964-70-0x0000000007740000-0x00000000077E3000-memory.dmp

        Filesize

        652KB

      • memory/2964-78-0x0000000007BC0000-0x0000000007BDA000-memory.dmp

        Filesize

        104KB

      • memory/2964-21-0x00000000055A0000-0x00000000055C2000-memory.dmp

        Filesize

        136KB

      • memory/2964-84-0x0000000074F80000-0x0000000075730000-memory.dmp

        Filesize

        7.7MB

      • memory/2964-24-0x0000000005F40000-0x0000000006294000-memory.dmp

        Filesize

        3.3MB

      • memory/2964-22-0x0000000005640000-0x00000000056A6000-memory.dmp

        Filesize

        408KB

      • memory/2964-23-0x0000000005D90000-0x0000000005DF6000-memory.dmp

        Filesize

        408KB

      • memory/2964-20-0x0000000074F80000-0x0000000075730000-memory.dmp

        Filesize

        7.7MB

      • memory/2964-18-0x0000000074F80000-0x0000000075730000-memory.dmp

        Filesize

        7.7MB

      • memory/3324-15-0x0000000005960000-0x0000000005F88000-memory.dmp

        Filesize

        6.2MB

      • memory/3324-76-0x0000000007DB0000-0x0000000007DBE000-memory.dmp

        Filesize

        56KB

      • memory/3324-16-0x0000000074F80000-0x0000000075730000-memory.dmp

        Filesize

        7.7MB

      • memory/3324-83-0x0000000074F80000-0x0000000075730000-memory.dmp

        Filesize

        7.7MB

      • memory/3324-14-0x00000000052F0000-0x0000000005326000-memory.dmp

        Filesize

        216KB

      • memory/3324-79-0x0000000007EA0000-0x0000000007EA8000-memory.dmp

        Filesize

        32KB

      • memory/3324-17-0x0000000074F80000-0x0000000075730000-memory.dmp

        Filesize

        7.7MB

      • memory/3324-75-0x0000000007D80000-0x0000000007D91000-memory.dmp

        Filesize

        68KB

      • memory/3324-74-0x0000000007E00000-0x0000000007E96000-memory.dmp

        Filesize

        600KB

      • memory/3324-73-0x0000000007BF0000-0x0000000007BFA000-memory.dmp

        Filesize

        40KB

      • memory/3324-46-0x0000000006840000-0x000000000685E000-memory.dmp

        Filesize

        120KB

      • memory/3324-47-0x00000000068D0000-0x000000000691C000-memory.dmp

        Filesize

        304KB

      • memory/3324-48-0x0000000006E40000-0x0000000006E72000-memory.dmp

        Filesize

        200KB

      • memory/3324-72-0x0000000007B80000-0x0000000007B9A000-memory.dmp

        Filesize

        104KB

      • memory/3324-49-0x0000000071620000-0x000000007166C000-memory.dmp

        Filesize

        304KB

      • memory/3324-69-0x0000000006E20000-0x0000000006E3E000-memory.dmp

        Filesize

        120KB

      • memory/3324-71-0x00000000081D0000-0x000000000884A000-memory.dmp

        Filesize

        6.5MB

      • memory/4464-4-0x0000000074F80000-0x0000000075730000-memory.dmp

        Filesize

        7.7MB

      • memory/4464-6-0x0000000007C80000-0x0000000007C9A000-memory.dmp

        Filesize

        104KB

      • memory/4464-45-0x0000000074F80000-0x0000000075730000-memory.dmp

        Filesize

        7.7MB

      • memory/4464-7-0x0000000005660000-0x0000000005670000-memory.dmp

        Filesize

        64KB

      • memory/4464-8-0x0000000007CA0000-0x0000000007D24000-memory.dmp

        Filesize

        528KB

      • memory/4464-5-0x0000000005080000-0x000000000508A000-memory.dmp

        Filesize

        40KB

      • memory/4464-3-0x00000000050C0000-0x0000000005152000-memory.dmp

        Filesize

        584KB

      • memory/4464-9-0x000000000A400000-0x000000000A49C000-memory.dmp

        Filesize

        624KB

      • memory/4464-2-0x0000000005670000-0x0000000005C14000-memory.dmp

        Filesize

        5.6MB

      • memory/4464-1-0x00000000005C0000-0x0000000000672000-memory.dmp

        Filesize

        712KB

      • memory/4464-0-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

        Filesize

        4KB

      • memory/4780-32-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/4780-86-0x0000000006CA0000-0x0000000006CF0000-memory.dmp

        Filesize

        320KB