Analysis

  • max time kernel
    113s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:12

General

  • Target

    pedido urgente.exe

  • Size

    398KB

  • MD5

    027ec3c777c8acb409bf348c6fbed620

  • SHA1

    cb1cf03cbc583c2a389111f7a44ca4f0b9fb022d

  • SHA256

    e53b85600f2e1d2c612854eb25aa5ebb3cf93a966aef11b22e186f65cb097506

  • SHA512

    58e7110107cb77070d98a30def446fa6c87e020296680d752288f3eda11b327b91c20be41c7b4f062ec398814494abf0510c9812a74793e4653186832d8c46c2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.capeqlc.net
  • Port:
    587
  • Username:
    ezeube2@capeqlc.net
  • Password:
    TRf%Qah4

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\pedido urgente.exe
    "C:\Users\Admin\AppData\Local\Temp\pedido urgente.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:560
    • C:\Users\Admin\AppData\Local\Temp\pedido urgente.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:4072
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:4912

    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\pedido urgente.exe.log
      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/560-130-0x0000000000160000-0x00000000001CA000-memory.dmp
      Filesize

      424KB

    • memory/560-131-0x0000000005020000-0x00000000055C4000-memory.dmp
      Filesize

      5.6MB

    • memory/560-132-0x0000000004B60000-0x0000000004BF2000-memory.dmp
      Filesize

      584KB

    • memory/560-133-0x0000000006850000-0x000000000685A000-memory.dmp
      Filesize

      40KB

    • memory/560-134-0x0000000007410000-0x00000000074AC000-memory.dmp
      Filesize

      624KB

    • memory/4072-135-0x0000000000000000-mapping.dmp
    • memory/4072-136-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/4072-138-0x0000000005720000-0x0000000005786000-memory.dmp
      Filesize

      408KB

    • memory/4072-139-0x0000000006310000-0x0000000006360000-memory.dmp
      Filesize

      320KB

    • memory/4912-140-0x0000000000000000-mapping.dmp