Analysis

  • max time kernel
    142s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:42

General

  • Target

    RFQ 4130.exe

  • Size

    812KB

  • MD5

    6fe80178c6f3c6f378e4c912084b361a

  • SHA1

    39817ec4aa705c3c6b06482d2204bde8602f7b7c

  • SHA256

    6c7bf42396c259f45697b3582c5449e0b82059690eb3a7ad4ec3bc2a90a282c1

  • SHA512

    eaec66679c167d4399ac0fcda9dc62bdd1573f92e8bc16dc4a33f050e71c10cb775b25ca194cbbf79e9937b1169776fe7f1ed37cd56f3f46a306745382dbae31

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.framafilms.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    lister11

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ 4130.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ 4130.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:884
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "{path}"
      2⤵
        PID:1724
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2028

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Collection

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/884-54-0x0000000075941000-0x0000000075943000-memory.dmp
      Filesize

      8KB

    • memory/884-55-0x00000000745C0000-0x0000000074B6B000-memory.dmp
      Filesize

      5.7MB

    • memory/2028-56-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/2028-57-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/2028-59-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/2028-60-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/2028-61-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/2028-62-0x000000000044612E-mapping.dmp
    • memory/2028-64-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/2028-66-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/2028-68-0x00000000745C0000-0x0000000074B6B000-memory.dmp
      Filesize

      5.7MB