Analysis

  • max time kernel
    125s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2024 01:25

General

  • Target

    4e09705fc9592258eaae7197c020154ca63dd68cb7bf86f72a764caccec0c397.exe

  • Size

    639KB

  • MD5

    5089336d3597b0bdb04bbe027e54082a

  • SHA1

    4d3abc99188696bf99e8c13aa97e7a57eeb74aab

  • SHA256

    4e09705fc9592258eaae7197c020154ca63dd68cb7bf86f72a764caccec0c397

  • SHA512

    a8b43672994925fdf8452cafd7bc0935bb62cec27099182d5f10a75b3dc266e77badfdb5bb1a57806c01382caa3fe4913a08b25d2b678486c46f452597b05846

  • SSDEEP

    12288:6Y7LJq4yAWNYqJFTPa2udBr5BvscpLnIhjEjE:665aYqtuD5B0yIhKE

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sharpn.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    )^$(6$n3eSDoq@@##$$###

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • 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 3 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4e09705fc9592258eaae7197c020154ca63dd68cb7bf86f72a764caccec0c397.exe
    "C:\Users\Admin\AppData\Local\Temp\4e09705fc9592258eaae7197c020154ca63dd68cb7bf86f72a764caccec0c397.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Users\Admin\AppData\Local\Temp\4e09705fc9592258eaae7197c020154ca63dd68cb7bf86f72a764caccec0c397.exe
      "{path}"
      2⤵
        PID:3940
      • C:\Users\Admin\AppData\Local\Temp\4e09705fc9592258eaae7197c020154ca63dd68cb7bf86f72a764caccec0c397.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:3280

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4e09705fc9592258eaae7197c020154ca63dd68cb7bf86f72a764caccec0c397.exe.log

      Filesize

      1KB

      MD5

      17573558c4e714f606f997e5157afaac

      SHA1

      13e16e9415ceef429aaf124139671ebeca09ed23

      SHA256

      c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

      SHA512

      f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

    • memory/1968-12-0x0000000007F60000-0x0000000007F9C000-memory.dmp

      Filesize

      240KB

    • memory/1968-8-0x0000000004CC0000-0x0000000004CD4000-memory.dmp

      Filesize

      80KB

    • memory/1968-3-0x0000000005350000-0x00000000058F4000-memory.dmp

      Filesize

      5.6MB

    • memory/1968-4-0x0000000004DA0000-0x0000000004E32000-memory.dmp

      Filesize

      584KB

    • memory/1968-5-0x0000000004CA0000-0x0000000004CAA000-memory.dmp

      Filesize

      40KB

    • memory/1968-6-0x0000000004F90000-0x0000000004FE6000-memory.dmp

      Filesize

      344KB

    • memory/1968-7-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1968-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

      Filesize

      4KB

    • memory/1968-9-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

      Filesize

      4KB

    • memory/1968-10-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1968-11-0x00000000059F0000-0x0000000005A74000-memory.dmp

      Filesize

      528KB

    • memory/1968-2-0x0000000004D00000-0x0000000004D9C000-memory.dmp

      Filesize

      624KB

    • memory/1968-16-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1968-1-0x00000000001F0000-0x0000000000296000-memory.dmp

      Filesize

      664KB

    • memory/3280-25-0x00000000065D0000-0x0000000006620000-memory.dmp

      Filesize

      320KB

    • memory/3280-17-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3280-18-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3280-19-0x0000000005740000-0x0000000005758000-memory.dmp

      Filesize

      96KB

    • memory/3280-20-0x0000000005FE0000-0x0000000006046000-memory.dmp

      Filesize

      408KB

    • memory/3280-21-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3280-22-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3280-13-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/3280-26-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3280-27-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB