General

  • Target

    1d10713238e6d48ee5b8e78207c73d9cb1149012d33101f32478793db23862a8.exe

  • Size

    544KB

  • Sample

    240516-bfp4csdb8y

  • MD5

    4b9ba132c7cb1877797cb86eec4dc49c

  • SHA1

    cd5854ed6232038efd1c40d04254ee3933a65842

  • SHA256

    1d10713238e6d48ee5b8e78207c73d9cb1149012d33101f32478793db23862a8

  • SHA512

    15383e4c216ef5a4e49e915da4368ca5e90e2cfeb618e2d8cb0a9a9fdb4f4190a383a90d28bcc2d84cb16414322952bcf5ddda02d2b07f19d555da25e37e9ee5

  • SSDEEP

    12288:aQl/9wJbmh3DVCQM1+1cGyb+IG9cwzkZPHsg1P8Mf+TeKm:aQl/CJbmRY1MRyb+IGHzkFHT1PJfe5m

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      1d10713238e6d48ee5b8e78207c73d9cb1149012d33101f32478793db23862a8.exe

    • Size

      544KB

    • MD5

      4b9ba132c7cb1877797cb86eec4dc49c

    • SHA1

      cd5854ed6232038efd1c40d04254ee3933a65842

    • SHA256

      1d10713238e6d48ee5b8e78207c73d9cb1149012d33101f32478793db23862a8

    • SHA512

      15383e4c216ef5a4e49e915da4368ca5e90e2cfeb618e2d8cb0a9a9fdb4f4190a383a90d28bcc2d84cb16414322952bcf5ddda02d2b07f19d555da25e37e9ee5

    • SSDEEP

      12288:aQl/9wJbmh3DVCQM1+1cGyb+IG9cwzkZPHsg1P8Mf+TeKm:aQl/CJbmRY1MRyb+IGHzkFHT1PJfe5m

    • AgentTesla

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

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Looks up external IP address via web service

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

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target

      $PLUGINSDIR/System.dll

    • Size

      12KB

    • MD5

      0d7ad4f45dc6f5aa87f606d0331c6901

    • SHA1

      48df0911f0484cbe2a8cdd5362140b63c41ee457

    • SHA256

      3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

    • SHA512

      c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

    • SSDEEP

      192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6

    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks