Analysis

  • max time kernel
    111s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:37

General

  • Target

    Daily Report_2020_xls.exe

  • Size

    407KB

  • MD5

    cbb11d12d229cb506a559509ff0d5041

  • SHA1

    fa1b25bb450aa82ee3f2c13b96f9fde45f493533

  • SHA256

    1f5501175aa21ba313350d75cf0c5346095ea7df5b8a4f258bba1b95af6b5a1b

  • SHA512

    38a45fe05b7940d1dd0b2f09d6a4bf7834db6649955653acaf3c5e7e74779ba3a47b31ba04461f9c8a283000af208030a704abfd0f5f9ae9a22be87232ef5bf2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.moorefundz.com
  • Port:
    587
  • Username:
    evra@moorefundz.com
  • Password:
    g7g2Ig?Aeh_+

Signatures

  • AgentTesla

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

  • AgentTesla Payload 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 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\Daily Report_2020_xls.exe
    "C:\Users\Admin\AppData\Local\Temp\Daily Report_2020_xls.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2836
    • C:\Users\Admin\AppData\Local\Temp\Daily Report_2020_xls.exe
      "{path}"
      2⤵
        PID:4300
      • C:\Users\Admin\AppData\Local\Temp\Daily Report_2020_xls.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:4504

    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\Daily Report_2020_xls.exe.log
      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/2836-130-0x0000000000040000-0x00000000000AC000-memory.dmp
      Filesize

      432KB

    • memory/2836-131-0x00000000050D0000-0x0000000005674000-memory.dmp
      Filesize

      5.6MB

    • memory/2836-132-0x0000000004A40000-0x0000000004AD2000-memory.dmp
      Filesize

      584KB

    • memory/2836-133-0x0000000004AE0000-0x0000000004AEA000-memory.dmp
      Filesize

      40KB

    • memory/2836-134-0x0000000007390000-0x000000000742C000-memory.dmp
      Filesize

      624KB

    • memory/4300-135-0x0000000000000000-mapping.dmp
    • memory/4504-136-0x0000000000000000-mapping.dmp
    • memory/4504-137-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/4504-139-0x0000000005F30000-0x0000000005F96000-memory.dmp
      Filesize

      408KB