Analysis

  • max time kernel
    91s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2022 20:20

General

  • Target

    397e51f9b8a9a61de32f21b12d23334dca268c256d9024cfe4fb3605bd9c4204.exe

  • Size

    628KB

  • MD5

    04172d4b087c8dac6fdb91053b6b443e

  • SHA1

    1fdfab48af8c0c9044601b9ccdefdb26702b8aa8

  • SHA256

    397e51f9b8a9a61de32f21b12d23334dca268c256d9024cfe4fb3605bd9c4204

  • SHA512

    617ebf7ef2af8d2110acedd81dfdc1f3519e73f5352cfd5276ea14652b97115018bb022868dbbedf995cea02a67a3c3966eaa19a93e0935d6abcbeef9a8324b1

  • SSDEEP

    12288:G+NEDj+9UI94nOGmFmiLXgHxW7mwItay/lmprFKG0yBBzXLxd:GPj+9iOGqXMxZwrUMVBdXLxd

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    hnxqezadblabdsss

Signatures

  • AgentTesla

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

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 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\397e51f9b8a9a61de32f21b12d23334dca268c256d9024cfe4fb3605bd9c4204.exe
    "C:\Users\Admin\AppData\Local\Temp\397e51f9b8a9a61de32f21b12d23334dca268c256d9024cfe4fb3605bd9c4204.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Users\Admin\AppData\Local\Temp\397e51f9b8a9a61de32f21b12d23334dca268c256d9024cfe4fb3605bd9c4204.exe
      "C:\Users\Admin\AppData\Local\Temp\397e51f9b8a9a61de32f21b12d23334dca268c256d9024cfe4fb3605bd9c4204.exe"
      2⤵
        PID:4572
      • C:\Users\Admin\AppData\Local\Temp\397e51f9b8a9a61de32f21b12d23334dca268c256d9024cfe4fb3605bd9c4204.exe
        "C:\Users\Admin\AppData\Local\Temp\397e51f9b8a9a61de32f21b12d23334dca268c256d9024cfe4fb3605bd9c4204.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:2852

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\397e51f9b8a9a61de32f21b12d23334dca268c256d9024cfe4fb3605bd9c4204.exe.log
      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/1848-132-0x0000000000B70000-0x0000000000C14000-memory.dmp
      Filesize

      656KB

    • memory/1848-133-0x0000000005B50000-0x00000000060F4000-memory.dmp
      Filesize

      5.6MB

    • memory/1848-134-0x0000000005640000-0x00000000056D2000-memory.dmp
      Filesize

      584KB

    • memory/1848-135-0x00000000055C0000-0x00000000055CA000-memory.dmp
      Filesize

      40KB

    • memory/1848-136-0x0000000009830000-0x00000000098CC000-memory.dmp
      Filesize

      624KB

    • memory/2852-138-0x0000000000000000-mapping.dmp
    • memory/2852-139-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/2852-141-0x0000000005B40000-0x0000000005BA6000-memory.dmp
      Filesize

      408KB

    • memory/2852-142-0x0000000006F50000-0x0000000006FA0000-memory.dmp
      Filesize

      320KB

    • memory/4572-137-0x0000000000000000-mapping.dmp