Analysis

  • max time kernel
    150s
  • max time network
    154s
  • 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 08:17

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 11 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:3976
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1916
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      2⤵
        PID:2432

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1916-9-0x0000000005860000-0x00000000058C6000-memory.dmp
      Filesize

      408KB

    • memory/1916-10-0x0000000006B90000-0x0000000006BE0000-memory.dmp
      Filesize

      320KB

    • memory/1916-14-0x0000000005850000-0x0000000005860000-memory.dmp
      Filesize

      64KB

    • memory/1916-13-0x00000000746B0000-0x0000000074E60000-memory.dmp
      Filesize

      7.7MB

    • memory/1916-4-0x0000000000400000-0x0000000000448000-memory.dmp
      Filesize

      288KB

    • memory/1916-5-0x00000000746B0000-0x0000000074E60000-memory.dmp
      Filesize

      7.7MB

    • memory/1916-12-0x0000000006C30000-0x0000000006C3A000-memory.dmp
      Filesize

      40KB

    • memory/1916-11-0x0000000006C80000-0x0000000006D12000-memory.dmp
      Filesize

      584KB

    • memory/1916-6-0x0000000005E10000-0x00000000063B4000-memory.dmp
      Filesize

      5.6MB

    • memory/1916-7-0x0000000005850000-0x0000000005860000-memory.dmp
      Filesize

      64KB

    • memory/3976-0-0x000001FAB51E0000-0x000001FAB5258000-memory.dmp
      Filesize

      480KB

    • memory/3976-8-0x00007FFECBF80000-0x00007FFECCA41000-memory.dmp
      Filesize

      10.8MB

    • memory/3976-1-0x00007FFECBF80000-0x00007FFECCA41000-memory.dmp
      Filesize

      10.8MB

    • memory/3976-3-0x000001FACF730000-0x000001FACF7CC000-memory.dmp
      Filesize

      624KB

    • memory/3976-2-0x000001FAB5660000-0x000001FAB5670000-memory.dmp
      Filesize

      64KB