Analysis

  • max time kernel
    146s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-04-2024 08:05

General

  • Target

    CHEMICAL SPECIFICATIONS.exe

  • Size

    1.0MB

  • MD5

    f564f9251bd76e796906aebb35ae478a

  • SHA1

    e6b87808a2a2b26bcda776e971e442598402b2bd

  • SHA256

    386af47105d3e905ab5c1327fa634dd38e8af6d29f380cfbf0546549734d22f9

  • SHA512

    c979305cd640afe04056d36e327acee49d4c0fa9af77cd7ec9fa6463e7b0c145400be854deda5f8739956cdd95e3bceb44306d16f899487aee53e056f7144308

  • SSDEEP

    24576:9wzV9w070Ln2qfI3F2IJ0mxhyEtWj9gBrZkpsZIjd4bnFdtJB:wV8n2q02IdnyPg1ZyGIjd4bFdtJB

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    1.$.#t~cK;4C

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    1.$.#t~cK;4C

Signatures

  • AgentTesla

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

  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CHEMICAL SPECIFICATIONS.exe
    "C:\Users\Admin\AppData\Local\Temp\CHEMICAL SPECIFICATIONS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3704
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
      2⤵
        PID:3524
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2520
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
        2⤵
          PID:3280

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2520-10-0x0000000006B70000-0x0000000006BC0000-memory.dmp
        Filesize

        320KB

      • memory/2520-14-0x0000000003040000-0x0000000003050000-memory.dmp
        Filesize

        64KB

      • memory/2520-13-0x00000000749D0000-0x0000000075180000-memory.dmp
        Filesize

        7.7MB

      • memory/2520-12-0x0000000006C10000-0x0000000006C1A000-memory.dmp
        Filesize

        40KB

      • memory/2520-4-0x0000000000400000-0x0000000000448000-memory.dmp
        Filesize

        288KB

      • memory/2520-5-0x00000000749D0000-0x0000000075180000-memory.dmp
        Filesize

        7.7MB

      • memory/2520-6-0x0000000005AF0000-0x0000000006094000-memory.dmp
        Filesize

        5.6MB

      • memory/2520-7-0x0000000003040000-0x0000000003050000-memory.dmp
        Filesize

        64KB

      • memory/2520-8-0x00000000056B0000-0x0000000005716000-memory.dmp
        Filesize

        408KB

      • memory/2520-11-0x0000000006C60000-0x0000000006CF2000-memory.dmp
        Filesize

        584KB

      • memory/3704-3-0x00000168DC120000-0x00000168DC1BC000-memory.dmp
        Filesize

        624KB

      • memory/3704-9-0x00007FFBD4550000-0x00007FFBD5011000-memory.dmp
        Filesize

        10.8MB

      • memory/3704-0-0x00000168DA450000-0x00000168DA4C8000-memory.dmp
        Filesize

        480KB

      • memory/3704-2-0x00000168F4AC0000-0x00000168F4AD0000-memory.dmp
        Filesize

        64KB

      • memory/3704-1-0x00007FFBD4550000-0x00007FFBD5011000-memory.dmp
        Filesize

        10.8MB