Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 08:34

General

  • Target

    PO23100070.exe

  • Size

    657KB

  • MD5

    885f5a1ad4e095da19fe160b8901cb45

  • SHA1

    5cc5a214ea49654280f3b1b842c1b8a3e772ebcb

  • SHA256

    03d70e61c415e7a0e2ec76c31cdaa056d05ba4a0c5424611df5b5b69c1415ff9

  • SHA512

    88cb9242d726db4e73194716090b17ef76c79f422d8931a960a4d9066b5415c447c32614df5a613c28712e4231ef64cf00d58d7cfff0db9e75adf72d610e806b

  • SSDEEP

    12288:WLKWTG4mCQGO93AI+6Z3i+wjYFTcqODJDKQhYLQ:0xTPeStjYFYqqDKQH

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 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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\PO23100070.exe
    "C:\Users\Admin\AppData\Local\Temp\PO23100070.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1784
    • 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\PO23100070.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2136
    • C:\Users\Admin\AppData\Local\Temp\PO23100070.exe
      "C:\Users\Admin\AppData\Local\Temp\PO23100070.exe"
      2⤵
        PID:424
      • C:\Users\Admin\AppData\Local\Temp\PO23100070.exe
        "C:\Users\Admin\AppData\Local\Temp\PO23100070.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3060

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO23100070.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vrf0oior.lhy.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1784-6-0x0000000005600000-0x000000000569C000-memory.dmp

      Filesize

      624KB

    • memory/1784-3-0x0000000005350000-0x00000000053E2000-memory.dmp

      Filesize

      584KB

    • memory/1784-4-0x0000000005410000-0x000000000541A000-memory.dmp

      Filesize

      40KB

    • memory/1784-5-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1784-2-0x00000000059F0000-0x0000000005F94000-memory.dmp

      Filesize

      5.6MB

    • memory/1784-7-0x0000000006C20000-0x0000000006C3A000-memory.dmp

      Filesize

      104KB

    • memory/1784-8-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

      Filesize

      4KB

    • memory/1784-9-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1784-10-0x0000000007EC0000-0x0000000007F30000-memory.dmp

      Filesize

      448KB

    • memory/1784-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

      Filesize

      4KB

    • memory/1784-1-0x00000000008E0000-0x000000000098A000-memory.dmp

      Filesize

      680KB

    • memory/1784-14-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2136-51-0x0000000006E20000-0x0000000006E3A000-memory.dmp

      Filesize

      104KB

    • memory/2136-37-0x0000000006AC0000-0x0000000006AF2000-memory.dmp

      Filesize

      200KB

    • memory/2136-63-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2136-18-0x00000000021E0000-0x0000000002216000-memory.dmp

      Filesize

      216KB

    • memory/2136-20-0x0000000004E20000-0x0000000005448000-memory.dmp

      Filesize

      6.2MB

    • memory/2136-19-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2136-21-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2136-22-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2136-23-0x0000000004B30000-0x0000000004B52000-memory.dmp

      Filesize

      136KB

    • memory/2136-24-0x0000000004BD0000-0x0000000004C36000-memory.dmp

      Filesize

      408KB

    • memory/2136-60-0x0000000007140000-0x0000000007148000-memory.dmp

      Filesize

      32KB

    • memory/2136-30-0x0000000005510000-0x0000000005864000-memory.dmp

      Filesize

      3.3MB

    • memory/2136-35-0x0000000005B00000-0x0000000005B1E000-memory.dmp

      Filesize

      120KB

    • memory/2136-36-0x0000000005B90000-0x0000000005BDC000-memory.dmp

      Filesize

      304KB

    • memory/2136-38-0x0000000070800000-0x000000007084C000-memory.dmp

      Filesize

      304KB

    • memory/2136-59-0x0000000007160000-0x000000000717A000-memory.dmp

      Filesize

      104KB

    • memory/2136-48-0x00000000060B0000-0x00000000060CE000-memory.dmp

      Filesize

      120KB

    • memory/2136-49-0x0000000006B00000-0x0000000006BA3000-memory.dmp

      Filesize

      652KB

    • memory/2136-50-0x0000000007470000-0x0000000007AEA000-memory.dmp

      Filesize

      6.5MB

    • memory/2136-58-0x0000000007060000-0x0000000007074000-memory.dmp

      Filesize

      80KB

    • memory/2136-52-0x0000000006EA0000-0x0000000006EAA000-memory.dmp

      Filesize

      40KB

    • memory/2136-53-0x00000000070A0000-0x0000000007136000-memory.dmp

      Filesize

      600KB

    • memory/2136-57-0x0000000007050000-0x000000000705E000-memory.dmp

      Filesize

      56KB

    • memory/2136-56-0x0000000007020000-0x0000000007031000-memory.dmp

      Filesize

      68KB

    • memory/3060-55-0x0000000006670000-0x0000000006832000-memory.dmp

      Filesize

      1.8MB

    • memory/3060-54-0x0000000006450000-0x00000000064A0000-memory.dmp

      Filesize

      320KB

    • memory/3060-11-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/3060-16-0x0000000005200000-0x0000000005266000-memory.dmp

      Filesize

      408KB

    • memory/3060-15-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3060-17-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3060-64-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB