Analysis

  • max time kernel
    99s
  • max time network
    89s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    11-06-2023 01:22

General

  • Target

    Revised Proforma Invoice WSI116850PF.exe

  • Size

    884KB

  • MD5

    eac45e7940e2536662d67f5c2bb888f8

  • SHA1

    99accc50514d38dfd74883b10789a471f4cc2bca

  • SHA256

    3e1f623f0b2c1b85bcbca396bbeb79e06db39138a004c14201827ed1a8ca377a

  • SHA512

    9053620605e242827e03dc5632e55dfef2ad839a63f5ad2be0d6e0a0a750e46c20e6d944623518e68753838f1629fe72ef5a48f780d12fbc33afef348ce16fc3

  • SSDEEP

    12288:EW0lwFqIwr+i3Tp3OQwN5V2cKxZMXdKkDkB0c:RZFwTp3duL2xxGKoy0c

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Revised Proforma Invoice WSI116850PF.exe
    "C:\Users\Admin\AppData\Local\Temp\Revised Proforma Invoice WSI116850PF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1500

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1500-63-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1500-64-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1500-77-0x0000000001100000-0x0000000001140000-memory.dmp

    Filesize

    256KB

  • memory/1500-69-0x0000000001100000-0x0000000001140000-memory.dmp

    Filesize

    256KB

  • memory/1500-68-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1500-59-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1500-66-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1500-62-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1500-60-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1500-61-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2016-54-0x0000000000EF0000-0x0000000000FD4000-memory.dmp

    Filesize

    912KB

  • memory/2016-55-0x0000000004C90000-0x0000000004CD0000-memory.dmp

    Filesize

    256KB

  • memory/2016-58-0x00000000006A0000-0x00000000006D0000-memory.dmp

    Filesize

    192KB

  • memory/2016-57-0x0000000004EE0000-0x0000000004F5C000-memory.dmp

    Filesize

    496KB

  • memory/2016-56-0x0000000000280000-0x0000000000294000-memory.dmp

    Filesize

    80KB