Analysis

  • max time kernel
    125s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-09-2024 18:02

General

  • Target

    Shipping documents 0002939948400055.exe

  • Size

    1.3MB

  • MD5

    b4c7e0b0ef40ea0f57b6b265158e087f

  • SHA1

    da9c36b3eb690cbd15cd0a19ee6beae39191b7f7

  • SHA256

    8025e068e401764653aed170b3a0b07c5ed8c327f80e8d5b5f7d8ae3b0f44eaa

  • SHA512

    efb7488ba4c8243cf76414b5629c4bc29405109ba875f50d84a8f7cdcb468dbfd41a7422a2d621227c129a0afd977209aa0a2d6abf3ddc366feccba9c1340ac5

  • SSDEEP

    12288:7NYnJyPKtca75RqRF6UxaKPHDM18qwdNcQeRFoubL0KZ1YkE9bMRvQSsHc69+c:GTma75ARF6Ux9HDe8felYUmHc69+c

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.concaribe.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ro}UWgz#!38E

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.concaribe.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ro}UWgz#!38E

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • 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
  • 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping documents 0002939948400055.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping documents 0002939948400055.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    • Suspicious use of WriteProcessMemory
    PID:5020
    • C:\Users\Admin\AppData\Local\Temp\Shipping documents 0002939948400055.exe
      "C:\Users\Admin\AppData\Local\Temp\Shipping documents 0002939948400055.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4788
  • 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=4260,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=3944 /prefetch:8
    1⤵
      PID:3580

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4788-7-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4788-14-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4788-13-0x0000000006870000-0x000000000690C000-memory.dmp

      Filesize

      624KB

    • memory/4788-12-0x0000000006780000-0x00000000067D0000-memory.dmp

      Filesize

      320KB

    • memory/4788-10-0x00000000050D0000-0x0000000005136000-memory.dmp

      Filesize

      408KB

    • memory/4788-9-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4788-8-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB

    • memory/5020-3-0x0000000004A00000-0x0000000004A92000-memory.dmp

      Filesize

      584KB

    • memory/5020-6-0x0000000004C50000-0x0000000004C98000-memory.dmp

      Filesize

      288KB

    • memory/5020-5-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB

    • memory/5020-4-0x0000000004BD0000-0x0000000004BDA000-memory.dmp

      Filesize

      40KB

    • memory/5020-11-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB

    • memory/5020-0-0x0000000074A2E000-0x0000000074A2F000-memory.dmp

      Filesize

      4KB

    • memory/5020-2-0x0000000004ED0000-0x0000000005474000-memory.dmp

      Filesize

      5.6MB

    • memory/5020-1-0x0000000000010000-0x0000000000156000-memory.dmp

      Filesize

      1.3MB