Analysis

  • max time kernel
    134s
  • max time network
    12s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    11-05-2021 13:30

General

  • Target

    4207f7b13155e7caf8897d4d119f808699093d79e63037c79c0feec1cd7cf997.bin.exe

  • Size

    1006KB

  • MD5

    038ece8f6c92ccb2dd38133d85e80caf

  • SHA1

    96a2e3466f10d59020501b076cfab07f237bb7c1

  • SHA256

    4207f7b13155e7caf8897d4d119f808699093d79e63037c79c0feec1cd7cf997

  • SHA512

    8af98ef60f05ffc9324647bad8214989883f2128eac44814c7f37730f7a4d4e7019c495015a3460a15fb411f78559a60dbad528c151d07df9a2cc030c7f1ce23

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.myremediez.com
  • Port:
    587
  • Username:
    sales@myremediez.com
  • Password:
    123123456

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4207f7b13155e7caf8897d4d119f808699093d79e63037c79c0feec1cd7cf997.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\4207f7b13155e7caf8897d4d119f808699093d79e63037c79c0feec1cd7cf997.bin.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:752
    • C:\Users\Admin\AppData\Local\Temp\4207f7b13155e7caf8897d4d119f808699093d79e63037c79c0feec1cd7cf997.bin.exe
      "C:\Users\Admin\AppData\Local\Temp\4207f7b13155e7caf8897d4d119f808699093d79e63037c79c0feec1cd7cf997.bin.exe"
      2⤵
        PID:984
      • C:\Users\Admin\AppData\Local\Temp\4207f7b13155e7caf8897d4d119f808699093d79e63037c79c0feec1cd7cf997.bin.exe
        "C:\Users\Admin\AppData\Local\Temp\4207f7b13155e7caf8897d4d119f808699093d79e63037c79c0feec1cd7cf997.bin.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1500

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/752-59-0x00000000001A0000-0x00000000001A1000-memory.dmp
      Filesize

      4KB

    • memory/752-61-0x00000000007C0000-0x00000000007C4000-memory.dmp
      Filesize

      16KB

    • memory/752-62-0x0000000002140000-0x0000000002141000-memory.dmp
      Filesize

      4KB

    • memory/752-63-0x00000000051C0000-0x000000000528C000-memory.dmp
      Filesize

      816KB

    • memory/752-64-0x0000000005290000-0x0000000005323000-memory.dmp
      Filesize

      588KB

    • memory/1500-66-0x00000000004375AE-mapping.dmp
    • memory/1500-65-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1500-67-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1500-69-0x0000000004AC0000-0x0000000004AC1000-memory.dmp
      Filesize

      4KB