Analysis

  • max time kernel
    166s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-10-2023 08:33

General

  • Target

    ad21aff38e3b20ca7c9c7236977dfb0821d515962cb5c705d8a5b9a8cbc43859.exe

  • Size

    592KB

  • MD5

    2b17ef662bfb9464153c8dbd60ccbad9

  • SHA1

    a2883daa62d0f99d6cbf8b51b28d3f479c3807dc

  • SHA256

    ad21aff38e3b20ca7c9c7236977dfb0821d515962cb5c705d8a5b9a8cbc43859

  • SHA512

    e0cb94d546284ee3400a2e8f372b3365c0686ae5a6265b6bbd598f33d677d0582d29e0b6ef33dbadda496f89089a89a3bc9ead862708c4f19a7a5c96793284b4

  • SSDEEP

    12288:Wi+rhsEgj79G/vpZyofAj+KD5icYPahZ:zITpq5icYPahZ

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.giroplastic.com.br
  • Port:
    587
  • Username:
    jesiane@giroplastic.com.br
  • Password:
    #no2@tec
  • Email To:
    originallog@mail.com

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
  • 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\ad21aff38e3b20ca7c9c7236977dfb0821d515962cb5c705d8a5b9a8cbc43859.exe
    "C:\Users\Admin\AppData\Local\Temp\ad21aff38e3b20ca7c9c7236977dfb0821d515962cb5c705d8a5b9a8cbc43859.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5048
    • C:\Users\Admin\AppData\Local\Temp\ad21aff38e3b20ca7c9c7236977dfb0821d515962cb5c705d8a5b9a8cbc43859.exe
      C:\Users\Admin\AppData\Local\Temp\ad21aff38e3b20ca7c9c7236977dfb0821d515962cb5c705d8a5b9a8cbc43859.exe
      2⤵
        PID:3648
      • C:\Users\Admin\AppData\Local\Temp\ad21aff38e3b20ca7c9c7236977dfb0821d515962cb5c705d8a5b9a8cbc43859.exe
        C:\Users\Admin\AppData\Local\Temp\ad21aff38e3b20ca7c9c7236977dfb0821d515962cb5c705d8a5b9a8cbc43859.exe
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1208

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Credential Access

    Unsecured Credentials

    3
    T1552

    Credentials In Files

    3
    T1552.001

    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\ad21aff38e3b20ca7c9c7236977dfb0821d515962cb5c705d8a5b9a8cbc43859.exe.log
      Filesize

      1KB

      MD5

      489c7565f9b029ba9fadff774073cc98

      SHA1

      56c05089b33ee7e7dfa9e6a2d098164efd8e1150

      SHA256

      10bf6242da02dad8b2e1208b9dab9a7303cf986320e05e5ef20b99c9b71326d4

      SHA512

      ddea09c011a8d4f85905842c2f34c98add0110a0b6b3b2709718c3614a2c42dec5f4f5d5b9442cfd3c6c23e9a90c8c0b25c14c3dbd42faea9cc8dd232cace1ac

    • memory/1208-13-0x00000000752E0000-0x0000000075A90000-memory.dmp
      Filesize

      7.7MB

    • memory/1208-20-0x0000000006150000-0x000000000615A000-memory.dmp
      Filesize

      40KB

    • memory/1208-19-0x0000000005EA0000-0x0000000005F32000-memory.dmp
      Filesize

      584KB

    • memory/1208-18-0x0000000005DB0000-0x0000000005E00000-memory.dmp
      Filesize

      320KB

    • memory/1208-17-0x0000000005050000-0x0000000005060000-memory.dmp
      Filesize

      64KB

    • memory/1208-16-0x00000000752E0000-0x0000000075A90000-memory.dmp
      Filesize

      7.7MB

    • memory/1208-15-0x0000000005160000-0x00000000051C6000-memory.dmp
      Filesize

      408KB

    • memory/1208-14-0x0000000005050000-0x0000000005060000-memory.dmp
      Filesize

      64KB

    • memory/1208-8-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/5048-5-0x00000000064A0000-0x00000000064E4000-memory.dmp
      Filesize

      272KB

    • memory/5048-12-0x00000000752E0000-0x0000000075A90000-memory.dmp
      Filesize

      7.7MB

    • memory/5048-11-0x0000000005010000-0x0000000005020000-memory.dmp
      Filesize

      64KB

    • memory/5048-7-0x0000000006BA0000-0x0000000007144000-memory.dmp
      Filesize

      5.6MB

    • memory/5048-6-0x00000000065A0000-0x00000000065EC000-memory.dmp
      Filesize

      304KB

    • memory/5048-0-0x00000000752E0000-0x0000000075A90000-memory.dmp
      Filesize

      7.7MB

    • memory/5048-4-0x00000000058C0000-0x0000000005914000-memory.dmp
      Filesize

      336KB

    • memory/5048-3-0x00000000752E0000-0x0000000075A90000-memory.dmp
      Filesize

      7.7MB

    • memory/5048-2-0x0000000005010000-0x0000000005020000-memory.dmp
      Filesize

      64KB

    • memory/5048-1-0x0000000000540000-0x00000000005DA000-memory.dmp
      Filesize

      616KB