Analysis

  • max time kernel
    151s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 01:46

General

  • Target

    3bbb2a13c8bf4cb9ad75f237b66466f32b58d9b04f3bf81cf169f7efb464417e.exe

  • Size

    245KB

  • MD5

    1a0560f13b44ddf5f184133acf4a45d5

  • SHA1

    2950616500d9b6f6b131b65b913b4483be8fa0db

  • SHA256

    3bbb2a13c8bf4cb9ad75f237b66466f32b58d9b04f3bf81cf169f7efb464417e

  • SHA512

    52130d758e3ab71c53985ceea24d2055b001367e5de9fb3e9d308df971b6be915023a951249f89db9035b24485ea63cea17923999c8fceda48c1d7d6d9958e7c

  • SSDEEP

    3072:LybzvbfzheJeHB6p2Smetl4+Hr5qDUPyZT:mzvbfzheJeHBCm4l4+H6UqZ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.softtricksmedia.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    soft#!7som7

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Adds Run key to start application 2 TTPs 1 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 behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3bbb2a13c8bf4cb9ad75f237b66466f32b58d9b04f3bf81cf169f7efb464417e.exe
    "C:\Users\Admin\AppData\Local\Temp\3bbb2a13c8bf4cb9ad75f237b66466f32b58d9b04f3bf81cf169f7efb464417e.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2920
  • 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 --no-appcompat-clear --mojo-platform-channel-handle=1424 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4848

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2920-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

      Filesize

      4KB

    • memory/2920-1-0x0000000000590000-0x00000000005D4000-memory.dmp

      Filesize

      272KB

    • memory/2920-2-0x0000000005620000-0x0000000005BC4000-memory.dmp

      Filesize

      5.6MB

    • memory/2920-3-0x0000000074BF0000-0x00000000753A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2920-4-0x00000000050E0000-0x0000000005146000-memory.dmp

      Filesize

      408KB

    • memory/2920-7-0x0000000006640000-0x0000000006690000-memory.dmp

      Filesize

      320KB

    • memory/2920-8-0x0000000006730000-0x00000000067CC000-memory.dmp

      Filesize

      624KB

    • memory/2920-9-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

      Filesize

      4KB

    • memory/2920-10-0x0000000074BF0000-0x00000000753A0000-memory.dmp

      Filesize

      7.7MB