Analysis

  • max time kernel
    136s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-04-2024 13:51

General

  • Target

    PO82200185.exe

  • Size

    580KB

  • MD5

    eee0f0e92e4a36df7c2d2090f22a8a94

  • SHA1

    609c041d487df68a4a1da0059024d0af7d575ef4

  • SHA256

    78fe38ba9a5ee5fc0156e1d2a7598597f0fdeb85bba64c86bcc36ed9d1d24bd4

  • SHA512

    c2d2384b1c1994d19755ca0cc9e6da760b18d11921e2a1545db9f0fad877ce821bb1279ae3edd7d9f22a5cbbf7aa2c10eb8b3d83ee2c91b5702ff75d030f1661

  • SSDEEP

    12288:RUF9WMVRodAgSnIzizlQViWLhg/WWYgG2tscsN21b9A:RU2MVR1g8k6lGVFWRG2tLoWi

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO82200185.exe
    "C:\Users\Admin\AppData\Local\Temp\PO82200185.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3540
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO82200185.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4656
    • C:\Users\Admin\AppData\Local\Temp\PO82200185.exe
      "C:\Users\Admin\AppData\Local\Temp\PO82200185.exe"
      2⤵
        PID:3140
      • C:\Users\Admin\AppData\Local\Temp\PO82200185.exe
        "C:\Users\Admin\AppData\Local\Temp\PO82200185.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4684

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Credential Access

    Unsecured Credentials

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    4
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qqbvd5u2.cet.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/3540-6-0x00000000052F0000-0x00000000052FA000-memory.dmp
      Filesize

      40KB

    • memory/3540-2-0x00000000056C0000-0x0000000005C64000-memory.dmp
      Filesize

      5.6MB

    • memory/3540-3-0x00000000051F0000-0x0000000005282000-memory.dmp
      Filesize

      584KB

    • memory/3540-4-0x0000000005C70000-0x0000000005FC4000-memory.dmp
      Filesize

      3.3MB

    • memory/3540-5-0x0000000005460000-0x0000000005470000-memory.dmp
      Filesize

      64KB

    • memory/3540-15-0x0000000074880000-0x0000000075030000-memory.dmp
      Filesize

      7.7MB

    • memory/3540-7-0x0000000006090000-0x00000000060A8000-memory.dmp
      Filesize

      96KB

    • memory/3540-8-0x00000000067D0000-0x00000000067DE000-memory.dmp
      Filesize

      56KB

    • memory/3540-9-0x00000000067E0000-0x00000000067F4000-memory.dmp
      Filesize

      80KB

    • memory/3540-10-0x000000000A570000-0x000000000A5E2000-memory.dmp
      Filesize

      456KB

    • memory/3540-11-0x000000000D680000-0x000000000D71C000-memory.dmp
      Filesize

      624KB

    • memory/3540-1-0x0000000074880000-0x0000000075030000-memory.dmp
      Filesize

      7.7MB

    • memory/3540-0-0x00000000008B0000-0x0000000000948000-memory.dmp
      Filesize

      608KB

    • memory/4656-23-0x0000000005040000-0x0000000005062000-memory.dmp
      Filesize

      136KB

    • memory/4656-54-0x0000000007370000-0x000000000737A000-memory.dmp
      Filesize

      40KB

    • memory/4656-63-0x0000000074880000-0x0000000075030000-memory.dmp
      Filesize

      7.7MB

    • memory/4656-18-0x00000000026D0000-0x0000000002706000-memory.dmp
      Filesize

      216KB

    • memory/4656-22-0x00000000051B0000-0x00000000057D8000-memory.dmp
      Filesize

      6.2MB

    • memory/4656-21-0x0000000002680000-0x0000000002690000-memory.dmp
      Filesize

      64KB

    • memory/4656-20-0x0000000002680000-0x0000000002690000-memory.dmp
      Filesize

      64KB

    • memory/4656-19-0x0000000074880000-0x0000000075030000-memory.dmp
      Filesize

      7.7MB

    • memory/4656-60-0x0000000007620000-0x0000000007628000-memory.dmp
      Filesize

      32KB

    • memory/4656-24-0x00000000057E0000-0x0000000005846000-memory.dmp
      Filesize

      408KB

    • memory/4656-59-0x0000000007640000-0x000000000765A000-memory.dmp
      Filesize

      104KB

    • memory/4656-30-0x0000000005A30000-0x0000000005D84000-memory.dmp
      Filesize

      3.3MB

    • memory/4656-35-0x0000000005FE0000-0x0000000005FFE000-memory.dmp
      Filesize

      120KB

    • memory/4656-36-0x0000000006070000-0x00000000060BC000-memory.dmp
      Filesize

      304KB

    • memory/4656-38-0x0000000072500000-0x000000007254C000-memory.dmp
      Filesize

      304KB

    • memory/4656-37-0x00000000065F0000-0x0000000006622000-memory.dmp
      Filesize

      200KB

    • memory/4656-48-0x0000000006580000-0x000000000659E000-memory.dmp
      Filesize

      120KB

    • memory/4656-49-0x0000000007200000-0x00000000072A3000-memory.dmp
      Filesize

      652KB

    • memory/4656-58-0x0000000007540000-0x0000000007554000-memory.dmp
      Filesize

      80KB

    • memory/4656-57-0x0000000007530000-0x000000000753E000-memory.dmp
      Filesize

      56KB

    • memory/4656-52-0x0000000007940000-0x0000000007FBA000-memory.dmp
      Filesize

      6.5MB

    • memory/4656-53-0x0000000007300000-0x000000000731A000-memory.dmp
      Filesize

      104KB

    • memory/4656-56-0x0000000007500000-0x0000000007511000-memory.dmp
      Filesize

      68KB

    • memory/4656-55-0x0000000007580000-0x0000000007616000-memory.dmp
      Filesize

      600KB

    • memory/4684-16-0x00000000057B0000-0x00000000057C0000-memory.dmp
      Filesize

      64KB

    • memory/4684-51-0x0000000006C90000-0x0000000006E52000-memory.dmp
      Filesize

      1.8MB

    • memory/4684-50-0x0000000006A70000-0x0000000006AC0000-memory.dmp
      Filesize

      320KB

    • memory/4684-12-0x0000000000400000-0x0000000000430000-memory.dmp
      Filesize

      192KB

    • memory/4684-14-0x0000000074880000-0x0000000075030000-memory.dmp
      Filesize

      7.7MB

    • memory/4684-17-0x0000000005670000-0x00000000056D6000-memory.dmp
      Filesize

      408KB

    • memory/4684-64-0x0000000074880000-0x0000000075030000-memory.dmp
      Filesize

      7.7MB

    • memory/4684-65-0x00000000057B0000-0x00000000057C0000-memory.dmp
      Filesize

      64KB