Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/02/2024, 03:25

General

  • Target

    95bcdb36ea04ac618c085d218c16e994eb39080ea9e81024cd346c75fa83438b.exe

  • Size

    234KB

  • MD5

    a2d1a58f5ce44cab11865085de306c50

  • SHA1

    212505087b5c3bc7227433b04a9c89f1d2bc383d

  • SHA256

    95bcdb36ea04ac618c085d218c16e994eb39080ea9e81024cd346c75fa83438b

  • SHA512

    e929f27110e4b3f4d1f758775b72a5d68c27038632bac6fb3abd5dab3bdafb48fc000a950977476901d4c8da72adbadbc1db5431ffb62146abbafb04e8b75b31

  • SSDEEP

    3072:izZlx1JDgntYBAdbTgB2DRcWNdysHG5tLUQf4e:OZlx1JDgntSubTgB2mWvyC9Qg

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sgbumperscar.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    cunduy123456789

Extracted

Family

agenttesla

Credentials

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\95bcdb36ea04ac618c085d218c16e994eb39080ea9e81024cd346c75fa83438b.exe
    "C:\Users\Admin\AppData\Local\Temp\95bcdb36ea04ac618c085d218c16e994eb39080ea9e81024cd346c75fa83438b.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3984

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3984-0-0x0000000000B00000-0x0000000000B40000-memory.dmp

          Filesize

          256KB

        • memory/3984-1-0x0000000075050000-0x0000000075800000-memory.dmp

          Filesize

          7.7MB

        • memory/3984-2-0x0000000005A00000-0x0000000005FA4000-memory.dmp

          Filesize

          5.6MB

        • memory/3984-3-0x0000000002DB0000-0x0000000002DC0000-memory.dmp

          Filesize

          64KB

        • memory/3984-4-0x00000000053D0000-0x0000000005436000-memory.dmp

          Filesize

          408KB

        • memory/3984-5-0x0000000006BA0000-0x0000000006BF0000-memory.dmp

          Filesize

          320KB

        • memory/3984-6-0x0000000006C90000-0x0000000006D2C000-memory.dmp

          Filesize

          624KB

        • memory/3984-7-0x0000000006DD0000-0x0000000006E62000-memory.dmp

          Filesize

          584KB

        • memory/3984-8-0x0000000006D80000-0x0000000006D8A000-memory.dmp

          Filesize

          40KB

        • memory/3984-9-0x0000000075050000-0x0000000075800000-memory.dmp

          Filesize

          7.7MB

        • memory/3984-10-0x0000000002DB0000-0x0000000002DC0000-memory.dmp

          Filesize

          64KB