Analysis

  • max time kernel
    138s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2024 01:49

General

  • Target

    8e1168d2a5b92eecae7005aaff5ed4dde8c6cabc09924c3f14665c4242350ef8.exe

  • Size

    616KB

  • MD5

    60e2a19ea1cc79ea2f638338300b13ce

  • SHA1

    d636c535ad6d6c61e3b45c0b1a7b6463fd56721e

  • SHA256

    8e1168d2a5b92eecae7005aaff5ed4dde8c6cabc09924c3f14665c4242350ef8

  • SHA512

    de0961e003cb4cb29cd5aa571d8b17e15cddabd21a387a19ea69689fb719aec9fc227b6d4a0f2b8580e6ce04c2badd749c5427e0aa49f9c492ae0e0f37f38cd5

  • SSDEEP

    12288:Swa5WI/FrAT5/GrSJ30GxTZ1iZJ4eCFjBnr8H+28qC9AG:SQer6/x10G0ZChJhAH8qC1

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.yurel.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ;9RuYcVv2lyB

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.

  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e1168d2a5b92eecae7005aaff5ed4dde8c6cabc09924c3f14665c4242350ef8.exe
    "C:\Users\Admin\AppData\Local\Temp\8e1168d2a5b92eecae7005aaff5ed4dde8c6cabc09924c3f14665c4242350ef8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Users\Admin\AppData\Local\Temp\8e1168d2a5b92eecae7005aaff5ed4dde8c6cabc09924c3f14665c4242350ef8.exe
      "C:\Users\Admin\AppData\Local\Temp\8e1168d2a5b92eecae7005aaff5ed4dde8c6cabc09924c3f14665c4242350ef8.exe"
      2⤵
        PID:3512
      • C:\Users\Admin\AppData\Local\Temp\8e1168d2a5b92eecae7005aaff5ed4dde8c6cabc09924c3f14665c4242350ef8.exe
        "C:\Users\Admin\AppData\Local\Temp\8e1168d2a5b92eecae7005aaff5ed4dde8c6cabc09924c3f14665c4242350ef8.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1948

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Credential Access

    Unsecured Credentials

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Collection

    Data from Local System

    4
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8e1168d2a5b92eecae7005aaff5ed4dde8c6cabc09924c3f14665c4242350ef8.exe.log
      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/1640-8-0x00000000063D0000-0x0000000006454000-memory.dmp
      Filesize

      528KB

    • memory/1640-3-0x0000000005770000-0x0000000005802000-memory.dmp
      Filesize

      584KB

    • memory/1640-9-0x0000000008980000-0x0000000008A1C000-memory.dmp
      Filesize

      624KB

    • memory/1640-0-0x0000000000C70000-0x0000000000D10000-memory.dmp
      Filesize

      640KB

    • memory/1640-4-0x00000000058D0000-0x00000000058E0000-memory.dmp
      Filesize

      64KB

    • memory/1640-6-0x00000000056F0000-0x0000000005702000-memory.dmp
      Filesize

      72KB

    • memory/1640-7-0x0000000005710000-0x000000000571C000-memory.dmp
      Filesize

      48KB

    • memory/1640-1-0x0000000074A00000-0x00000000751B0000-memory.dmp
      Filesize

      7.7MB

    • memory/1640-13-0x0000000074A00000-0x00000000751B0000-memory.dmp
      Filesize

      7.7MB

    • memory/1640-2-0x0000000005C80000-0x0000000006224000-memory.dmp
      Filesize

      5.6MB

    • memory/1640-5-0x0000000005700000-0x000000000570A000-memory.dmp
      Filesize

      40KB

    • memory/1948-14-0x0000000074A00000-0x00000000751B0000-memory.dmp
      Filesize

      7.7MB

    • memory/1948-19-0x0000000005690000-0x00000000056A0000-memory.dmp
      Filesize

      64KB

    • memory/1948-15-0x0000000005690000-0x00000000056A0000-memory.dmp
      Filesize

      64KB

    • memory/1948-16-0x0000000005760000-0x00000000057C6000-memory.dmp
      Filesize

      408KB

    • memory/1948-17-0x0000000006E70000-0x0000000006EC0000-memory.dmp
      Filesize

      320KB

    • memory/1948-18-0x0000000074A00000-0x00000000751B0000-memory.dmp
      Filesize

      7.7MB

    • memory/1948-10-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB