Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 02:03

General

  • Target

    RFQ - 026.exe

  • Size

    750KB

  • MD5

    28a4d4adbc0134107703cd1b2d800052

  • SHA1

    62c5a02ca9fc8ce570992f37a433ef5eb811eb98

  • SHA256

    a10341c58574b8a08c3f1469fadf00b14d93376e3cfe50d0799bac052462d170

  • SHA512

    0b672ba0cea136c277e65eee0b114dd9d4fdb4691d6194dec3c423e16bb3c687d0fd0890c99d8626b8d87a8eacaff9de0d2cfad316b89e43bdce2df84e5af548

  • SSDEEP

    12288:WHtZIA61Eix1//lmek//1ECz0mcMtOzGQRv2XMZACR5leZlN:WHEp1Eix9wbSeo6QRPZA+er

Malware Config

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 1 IoCs

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

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ - 026.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ - 026.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3056
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rCDSBGfJmL.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2292
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rCDSBGfJmL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp57B1.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2148
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:2656
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2068

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp57B1.tmp

      Filesize

      1KB

      MD5

      ab2815d16363b9e5b8af50072c994b93

      SHA1

      0467ddd0916ff14d01b9d47929ebaa0ac2dd44f7

      SHA256

      2726d68778b189bdc9a20f82f8dd8eedc7c7601b6c7a4268309b7a9c416ed21f

      SHA512

      99e8b47cadd4b86dedd7aaa004520abab8b40d258f59dc9a35211f0fa3f8424e048e395caa799ba2f68e471a144467bd867689a91a2c4f7aae1fb75a9efb9ba3

    • memory/2068-19-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2068-21-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

      Filesize

      4KB

    • memory/2068-15-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2068-17-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2068-23-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2068-22-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2068-13-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2068-24-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3056-2-0x0000000074410000-0x0000000074AFE000-memory.dmp

      Filesize

      6.9MB

    • memory/3056-1-0x00000000008C0000-0x0000000000982000-memory.dmp

      Filesize

      776KB

    • memory/3056-5-0x0000000004DA0000-0x0000000004E22000-memory.dmp

      Filesize

      520KB

    • memory/3056-0-0x000000007441E000-0x000000007441F000-memory.dmp

      Filesize

      4KB

    • memory/3056-4-0x0000000001DD0000-0x0000000001DE0000-memory.dmp

      Filesize

      64KB

    • memory/3056-3-0x00000000008A0000-0x00000000008C2000-memory.dmp

      Filesize

      136KB

    • memory/3056-25-0x0000000074410000-0x0000000074AFE000-memory.dmp

      Filesize

      6.9MB