Analysis

  • max time kernel
    51s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-06-2024 11:44

General

  • Target

    PO-07172484.exe

  • Size

    879KB

  • MD5

    6ac757dcefc7993df00cff137458b643

  • SHA1

    056f655dee89d1d0939c27f3acf803d5f9c3f446

  • SHA256

    8ad4cfc5910c7367a8d9e92d4a1ebbb02b659abef458d8ee765ac09e3e46a484

  • SHA512

    fc7088dd68a1e1430cba2db998c7f4e1f5d2ba38ff22bca6e5d492e430dfee6fe5493218c6a9522b35538bc7e89d647bb3f32e19e569f4cdc23a1f076c01b9d0

  • SSDEEP

    12288:KueZmVKC5H2kbS89M+w53L4WfI6QJu8wR0LiBYhnWcHuIYVPeUxfc81:kt4qe0DwhWrIYVPeU

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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\PO-07172484.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-07172484.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1744
    • 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\PO-07172484.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1988
    • C:\Users\Admin\AppData\Local\Temp\PO-07172484.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-07172484.exe"
      2⤵
        PID:3380
      • C:\Users\Admin\AppData\Local\Temp\PO-07172484.exe
        "C:\Users\Admin\AppData\Local\Temp\PO-07172484.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3796

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO-07172484.exe.log

      Filesize

      1KB

      MD5

      639fa726aea13a708f1b5d2082e8e2bf

      SHA1

      9b1fdf6bf4611bc52b26efa773b8320da361bf44

      SHA256

      baf126d1a6c367f6092023d3f3b5c26852916cc243476fb0c038033a66462e4a

      SHA512

      ef1d99af8c8d962f3e61efead88648c57088f067fcdd10b300363f8e1887b3f77d709625b5a0ace78ee2f69187a8919d70769247981a43bb81b90ffd86f87366

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0fxb2uro.urm.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1744-8-0x0000000004FA0000-0x0000000004FB2000-memory.dmp

      Filesize

      72KB

    • memory/1744-9-0x0000000008C10000-0x0000000008F64000-memory.dmp

      Filesize

      3.3MB

    • memory/1744-4-0x0000000004B90000-0x0000000004B9A000-memory.dmp

      Filesize

      40KB

    • memory/1744-5-0x0000000004D70000-0x0000000004E0C000-memory.dmp

      Filesize

      624KB

    • memory/1744-7-0x0000000005A90000-0x0000000005FBC000-memory.dmp

      Filesize

      5.2MB

    • memory/1744-6-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1744-2-0x0000000004FB0000-0x0000000005554000-memory.dmp

      Filesize

      5.6MB

    • memory/1744-3-0x0000000004AE0000-0x0000000004B72000-memory.dmp

      Filesize

      584KB

    • memory/1744-10-0x0000000008750000-0x0000000008758000-memory.dmp

      Filesize

      32KB

    • memory/1744-11-0x0000000008760000-0x000000000876C000-memory.dmp

      Filesize

      48KB

    • memory/1744-12-0x0000000008770000-0x00000000087F0000-memory.dmp

      Filesize

      512KB

    • memory/1744-13-0x0000000008F70000-0x0000000008FE2000-memory.dmp

      Filesize

      456KB

    • memory/1744-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

      Filesize

      4KB

    • memory/1744-1-0x0000000000130000-0x0000000000212000-memory.dmp

      Filesize

      904KB

    • memory/1744-17-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1988-25-0x0000000005C90000-0x0000000005CF6000-memory.dmp

      Filesize

      408KB

    • memory/1988-41-0x00000000707A0000-0x00000000707EC000-memory.dmp

      Filesize

      304KB

    • memory/1988-64-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1988-22-0x00000000054C0000-0x0000000005AE8000-memory.dmp

      Filesize

      6.2MB

    • memory/1988-61-0x00000000079C0000-0x00000000079C8000-memory.dmp

      Filesize

      32KB

    • memory/1988-21-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1988-60-0x00000000079E0000-0x00000000079FA000-memory.dmp

      Filesize

      104KB

    • memory/1988-59-0x00000000078E0000-0x00000000078F4000-memory.dmp

      Filesize

      80KB

    • memory/1988-24-0x0000000005AF0000-0x0000000005B12000-memory.dmp

      Filesize

      136KB

    • memory/1988-32-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1988-36-0x0000000005EE0000-0x0000000006234000-memory.dmp

      Filesize

      3.3MB

    • memory/1988-37-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1988-38-0x0000000006370000-0x000000000638E000-memory.dmp

      Filesize

      120KB

    • memory/1988-39-0x00000000063B0000-0x00000000063FC000-memory.dmp

      Filesize

      304KB

    • memory/1988-40-0x0000000006950000-0x0000000006982000-memory.dmp

      Filesize

      200KB

    • memory/1988-19-0x0000000004DD0000-0x0000000004E06000-memory.dmp

      Filesize

      216KB

    • memory/1988-51-0x00000000069B0000-0x00000000069CE000-memory.dmp

      Filesize

      120KB

    • memory/1988-52-0x0000000007370000-0x0000000007413000-memory.dmp

      Filesize

      652KB

    • memory/1988-54-0x00000000076A0000-0x00000000076BA000-memory.dmp

      Filesize

      104KB

    • memory/1988-53-0x0000000007CF0000-0x000000000836A000-memory.dmp

      Filesize

      6.5MB

    • memory/1988-55-0x0000000007710000-0x000000000771A000-memory.dmp

      Filesize

      40KB

    • memory/1988-56-0x0000000007920000-0x00000000079B6000-memory.dmp

      Filesize

      600KB

    • memory/1988-57-0x00000000078A0000-0x00000000078B1000-memory.dmp

      Filesize

      68KB

    • memory/1988-58-0x00000000078D0000-0x00000000078DE000-memory.dmp

      Filesize

      56KB

    • memory/3796-14-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/3796-18-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3796-23-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3796-20-0x0000000004F00000-0x0000000004F66000-memory.dmp

      Filesize

      408KB

    • memory/3796-65-0x0000000006370000-0x00000000063C0000-memory.dmp

      Filesize

      320KB

    • memory/3796-66-0x0000000006590000-0x0000000006752000-memory.dmp

      Filesize

      1.8MB

    • memory/3796-67-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB