Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-06-2024 01:40

General

  • Target

    a9bba02b96d42694417f39596c58112f086b63160d2bd5ff4beef616fb130bb2.exe

  • Size

    238KB

  • MD5

    e0659414477aceed1bd5ef7c92dc6b7b

  • SHA1

    df1045306471a6b392cce2f28bfd4efdae6dd31b

  • SHA256

    a9bba02b96d42694417f39596c58112f086b63160d2bd5ff4beef616fb130bb2

  • SHA512

    db13b348fcd04d201d0dfb8499d65a1b47e333931bf27146cd2472ed062bf61faf278a9cbbb1f5f3d2f366856d61fc8471f91374b174a08789d6423f7fad0a45

  • SSDEEP

    3072:BhGIm6GyWP/rUcJhwyyyyyyyyyyyyyyyyyyyyy1yyyyyyyyyyyy9yyyybe4VGDmH:BNm6GyWP/rRdBG6SOqeV

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.lampadari.gr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    P8P[uVeJU=vh

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • 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 1 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9bba02b96d42694417f39596c58112f086b63160d2bd5ff4beef616fb130bb2.exe
    "C:\Users\Admin\AppData\Local\Temp\a9bba02b96d42694417f39596c58112f086b63160d2bd5ff4beef616fb130bb2.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4752
  • 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=3808 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:716

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Credential Access

    Unsecured Credentials

    2
    T1552

    Credentials In Files

    2
    T1552.001

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4752-0-0x000000007529E000-0x000000007529F000-memory.dmp
      Filesize

      4KB

    • memory/4752-1-0x00000000003D0000-0x0000000000412000-memory.dmp
      Filesize

      264KB

    • memory/4752-2-0x00000000052E0000-0x0000000005884000-memory.dmp
      Filesize

      5.6MB

    • memory/4752-3-0x0000000075290000-0x0000000075A40000-memory.dmp
      Filesize

      7.7MB

    • memory/4752-4-0x0000000004F30000-0x0000000004F96000-memory.dmp
      Filesize

      408KB

    • memory/4752-5-0x0000000006490000-0x00000000064E0000-memory.dmp
      Filesize

      320KB

    • memory/4752-6-0x0000000006580000-0x000000000661C000-memory.dmp
      Filesize

      624KB

    • memory/4752-7-0x000000007529E000-0x000000007529F000-memory.dmp
      Filesize

      4KB

    • memory/4752-8-0x0000000075290000-0x0000000075A40000-memory.dmp
      Filesize

      7.7MB

    • memory/4752-9-0x00000000066C0000-0x0000000006752000-memory.dmp
      Filesize

      584KB

    • memory/4752-10-0x0000000006630000-0x000000000663A000-memory.dmp
      Filesize

      40KB