Analysis

  • max time kernel
    59s
  • max time network
    40s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 07:39

General

  • Target

    SecuriteInfo.com.Trojan.DownLoader46.60844.7642.4031.exe

  • Size

    505KB

  • MD5

    88db09b12a478cac87ed465252c6c8f7

  • SHA1

    0e3acd2b568bd58fcfd2e914eff2c982deb55258

  • SHA256

    0f0b721073a35fe3e6b37d75582704acd5bdc1b3d71343e74d6fec59ac932deb

  • SHA512

    7d228d662e3271920094e345d36597c2e6c880d12fc3cef8c3f1206711a0b49f93d2275b5527d8ce88c1e3772d0b011161d1bd16688cb9db28471a75b949ab67

  • SSDEEP

    6144:+Z6ySmRH93qXyS8KevIl/8/vpwO4XMGdKf4xU0PrH7KjnvQWTk85KqZIMHYJqE4E:RySuRbpGv64vPrHmnkb+NHYqXZ4fa

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    gator3220.hostgator.com
  • Port:
    587
  • Username:
    zt22@qlststv.com
  • Password:
    28#75@ts76#V1F8h
  • Email To:
    simpacks@qlststv.com

Signatures

  • AgentTesla

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

  • 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 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader46.60844.7642.4031.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader46.60844.7642.4031.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" 'C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader46.60844.7642.4031.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\command-line.exe'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2340
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2608
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4224

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Credential Access

    Unsecured Credentials

    2
    T1552

    Credentials In Files

    2
    T1552.001

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2xp0y3vn.u2s.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1648-0-0x0000000000FA0000-0x0000000001024000-memory.dmp
      Filesize

      528KB

    • memory/1648-1-0x00000000749F0000-0x00000000751A0000-memory.dmp
      Filesize

      7.7MB

    • memory/1648-2-0x0000000006050000-0x00000000065F4000-memory.dmp
      Filesize

      5.6MB

    • memory/1648-3-0x0000000005AA0000-0x0000000005B32000-memory.dmp
      Filesize

      584KB

    • memory/1648-4-0x0000000005A70000-0x0000000005A80000-memory.dmp
      Filesize

      64KB

    • memory/1648-5-0x0000000005A10000-0x0000000005A1A000-memory.dmp
      Filesize

      40KB

    • memory/1648-6-0x0000000005CA0000-0x0000000005CF6000-memory.dmp
      Filesize

      344KB

    • memory/1648-7-0x0000000005DE0000-0x0000000005E7C000-memory.dmp
      Filesize

      624KB

    • memory/1648-32-0x00000000749F0000-0x00000000751A0000-memory.dmp
      Filesize

      7.7MB

    • memory/1648-26-0x0000000005A20000-0x0000000005A2A000-memory.dmp
      Filesize

      40KB

    • memory/2340-14-0x00000000056C0000-0x0000000005726000-memory.dmp
      Filesize

      408KB

    • memory/2340-9-0x00000000749F0000-0x00000000751A0000-memory.dmp
      Filesize

      7.7MB

    • memory/2340-13-0x00000000054E0000-0x0000000005546000-memory.dmp
      Filesize

      408KB

    • memory/2340-11-0x0000000004E40000-0x0000000005468000-memory.dmp
      Filesize

      6.2MB

    • memory/2340-8-0x0000000004730000-0x0000000004766000-memory.dmp
      Filesize

      216KB

    • memory/2340-24-0x0000000005730000-0x0000000005A84000-memory.dmp
      Filesize

      3.3MB

    • memory/2340-25-0x0000000005CF0000-0x0000000005D0E000-memory.dmp
      Filesize

      120KB

    • memory/2340-27-0x0000000006270000-0x00000000062BC000-memory.dmp
      Filesize

      304KB

    • memory/2340-35-0x00000000749F0000-0x00000000751A0000-memory.dmp
      Filesize

      7.7MB

    • memory/2340-12-0x0000000004D40000-0x0000000004D62000-memory.dmp
      Filesize

      136KB

    • memory/2340-10-0x0000000004800000-0x0000000004810000-memory.dmp
      Filesize

      64KB

    • memory/4224-30-0x0000000005580000-0x0000000005590000-memory.dmp
      Filesize

      64KB

    • memory/4224-29-0x00000000749F0000-0x00000000751A0000-memory.dmp
      Filesize

      7.7MB

    • memory/4224-28-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/4224-36-0x00000000749F0000-0x00000000751A0000-memory.dmp
      Filesize

      7.7MB

    • memory/4224-37-0x0000000005580000-0x0000000005590000-memory.dmp
      Filesize

      64KB

    • memory/4224-38-0x0000000006C40000-0x0000000006C90000-memory.dmp
      Filesize

      320KB