Analysis

  • max time kernel
    125s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-10-2024 08:13

General

  • Target

    RFQ 002593810024350.bat.exe

  • Size

    77.0MB

  • MD5

    56b26dafc409e4a26b3cdff29655c634

  • SHA1

    28218cdb90ed415758fa8432d85344f373f62665

  • SHA256

    5a0a36413c389c4a1dd98ba0544e39b456b082825bb21245f84c0beefef74ccc

  • SHA512

    6cec01314d39458c23859a85dbb51ea3f6b7c7dbb1a931a89f3a0112b31550700e8c1ec9f37a269cfa37814830d50d36d7d6070398f9605398b2ee5e39076229

  • SSDEEP

    24576:ffmMv6Ckr7Mny5QLTRiUecmRoNOlwOjcFD:f3v+7/5QLTR3DOlw28

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.flujoauditorias.cl
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    l;0jGu7J;z_a

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ 002593810024350.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ 002593810024350.bat.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ 002593810024350.bat.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3188
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4548,i,16315016104747277319,5510969007830467313,262144 --variations-seed-version --mojo-platform-channel-handle=3692 /prefetch:8
    1⤵
      PID:1740

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2244-2-0x0000000004370000-0x0000000004770000-memory.dmp

      Filesize

      4.0MB

    • memory/3188-3-0x0000000000350000-0x0000000000392000-memory.dmp

      Filesize

      264KB

    • memory/3188-4-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

      Filesize

      4KB

    • memory/3188-5-0x0000000005340000-0x00000000058E4000-memory.dmp

      Filesize

      5.6MB

    • memory/3188-6-0x0000000004E00000-0x0000000004E66000-memory.dmp

      Filesize

      408KB

    • memory/3188-7-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/3188-8-0x0000000005FD0000-0x0000000006062000-memory.dmp

      Filesize

      584KB

    • memory/3188-9-0x0000000006070000-0x00000000060C0000-memory.dmp

      Filesize

      320KB

    • memory/3188-10-0x0000000006160000-0x00000000061FC000-memory.dmp

      Filesize

      624KB

    • memory/3188-11-0x0000000006130000-0x000000000613A000-memory.dmp

      Filesize

      40KB

    • memory/3188-12-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

      Filesize

      4KB

    • memory/3188-13-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB