Analysis

  • max time kernel
    300s
  • max time network
    300s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    03-12-2021 16:05

General

  • Target

    Swift advice.exe

  • Size

    554KB

  • MD5

    806b37f909371d495e99e3e8ed226db7

  • SHA1

    88bee8748a329ba78d63f435b5d17b6a03dcaf12

  • SHA256

    52ed6cb16a2e40d034aaa76324718eadced0ec69c9b0cf96200d37c3a80e664e

  • SHA512

    f67fc8fa2930bf777292d3fbd959d78aac0ffe526b342c407f712fd8d6c01eba63ae3e4323770c9a4f0daccdc06f449842fac134f951bd42c4764908de703a6f

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ananthasuites.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Anantha225@#

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Swift advice.exe
    "C:\Users\Admin\AppData\Local\Temp\Swift advice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:320
    • C:\Users\Admin\AppData\Local\Temp\Swift advice.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:664

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/320-55-0x0000000000360000-0x0000000000361000-memory.dmp
    Filesize

    4KB

  • memory/320-57-0x00000000765D1000-0x00000000765D3000-memory.dmp
    Filesize

    8KB

  • memory/320-58-0x00000000049E0000-0x00000000049E1000-memory.dmp
    Filesize

    4KB

  • memory/320-59-0x0000000000480000-0x0000000000485000-memory.dmp
    Filesize

    20KB

  • memory/320-60-0x00000000051C0000-0x000000000523C000-memory.dmp
    Filesize

    496KB

  • memory/320-61-0x0000000000770000-0x00000000007A8000-memory.dmp
    Filesize

    224KB

  • memory/664-62-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/664-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/664-64-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/664-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/664-66-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/664-67-0x00000000004375EE-mapping.dmp
  • memory/664-68-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/664-70-0x00000000047F0000-0x00000000047F1000-memory.dmp
    Filesize

    4KB

  • memory/664-71-0x00000000047F1000-0x00000000047F2000-memory.dmp
    Filesize

    4KB