Analysis

  • max time kernel
    110s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:36

General

  • Target

    SOA july.exe

  • Size

    446KB

  • MD5

    49f4d61510b00da46d1ed0081dadd436

  • SHA1

    9259413803d64671da96bc27c1ca10b87e3a5688

  • SHA256

    7666a9640caa1cd3032c124ae3b763f280cae9da5028586721e3aed9f476bf2d

  • SHA512

    49aa2a1fbbd81ee8b3829292509aad3a62574cd380a16f5b44fa96229572a8bd43981abd8f6a590684322b94bccdecf6610123d24bfcb3da69cdb0f1999fb116

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    1xH}wgu7}f%E

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    1xH}wgu7}f%E

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 behavior: RenamesItself 1 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\SOA july.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA july.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Users\Admin\AppData\Local\Temp\SOA july.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:4836
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:112

    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_v2.0_32\UsageLogs\SOA july.exe.log
      Filesize

      408B

      MD5

      04ad5d645afd4aad8257d37d2b197bd9

      SHA1

      f27458933c22a18ed06c3ef023d9356bae6f5e89

      SHA256

      519a7b0a515b09c8d149c48a26e782e13decd80c2a2957a751f58801bed026d0

      SHA512

      34097f7ec87c917ebb2f38a156a33ff1b5f8570141acd666a1fce2cd5d40e464762a3a596a44f078318f92823a7d7b961751c4399040a09e5eddb941f22c4754

    • memory/112-135-0x0000000000000000-mapping.dmp
    • memory/1488-130-0x0000000075220000-0x00000000757D1000-memory.dmp
      Filesize

      5.7MB

    • memory/4836-131-0x0000000000000000-mapping.dmp
    • memory/4836-132-0x0000000000400000-0x0000000000450000-memory.dmp
      Filesize

      320KB

    • memory/4836-134-0x0000000075220000-0x00000000757D1000-memory.dmp
      Filesize

      5.7MB