Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-10-2024 00:35

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:68
    • 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:4828
    • C:\Users\Admin\AppData\Local\Temp\PO23100070.exe
      "C:\Users\Admin\AppData\Local\Temp\PO23100070.exe"
      2⤵
        PID:2692
      • 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:2772

    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_4yzlw5au.x42.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/68-10-0x0000000005D90000-0x0000000005E00000-memory.dmp

      Filesize

      448KB

    • memory/68-1-0x0000000000040000-0x00000000000EA000-memory.dmp

      Filesize

      680KB

    • memory/68-4-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/68-5-0x0000000004AD0000-0x0000000004ADA000-memory.dmp

      Filesize

      40KB

    • memory/68-6-0x0000000004DF0000-0x0000000004E8C000-memory.dmp

      Filesize

      624KB

    • memory/68-7-0x0000000006380000-0x000000000639A000-memory.dmp

      Filesize

      104KB

    • memory/68-8-0x00000000751EE000-0x00000000751EF000-memory.dmp

      Filesize

      4KB

    • memory/68-9-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/68-0-0x00000000751EE000-0x00000000751EF000-memory.dmp

      Filesize

      4KB

    • memory/68-3-0x0000000004B00000-0x0000000004B92000-memory.dmp

      Filesize

      584KB

    • memory/68-2-0x00000000050B0000-0x0000000005654000-memory.dmp

      Filesize

      5.6MB

    • memory/68-15-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/2772-11-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2772-18-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/2772-64-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/2772-16-0x0000000005090000-0x00000000050F6000-memory.dmp

      Filesize

      408KB

    • memory/2772-56-0x0000000006540000-0x0000000006702000-memory.dmp

      Filesize

      1.8MB

    • memory/2772-54-0x0000000006320000-0x0000000006370000-memory.dmp

      Filesize

      320KB

    • memory/2772-14-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/4828-23-0x0000000004EB0000-0x0000000004ED2000-memory.dmp

      Filesize

      136KB

    • memory/4828-50-0x00000000077C0000-0x0000000007E3A000-memory.dmp

      Filesize

      6.5MB

    • memory/4828-24-0x0000000004F50000-0x0000000004FB6000-memory.dmp

      Filesize

      408KB

    • memory/4828-20-0x0000000005010000-0x0000000005638000-memory.dmp

      Filesize

      6.2MB

    • memory/4828-34-0x0000000005860000-0x0000000005BB4000-memory.dmp

      Filesize

      3.3MB

    • memory/4828-35-0x0000000005E50000-0x0000000005E6E000-memory.dmp

      Filesize

      120KB

    • memory/4828-36-0x0000000005E90000-0x0000000005EDC000-memory.dmp

      Filesize

      304KB

    • memory/4828-37-0x0000000006E20000-0x0000000006E52000-memory.dmp

      Filesize

      200KB

    • memory/4828-38-0x0000000070E60000-0x0000000070EAC000-memory.dmp

      Filesize

      304KB

    • memory/4828-48-0x0000000006430000-0x000000000644E000-memory.dmp

      Filesize

      120KB

    • memory/4828-49-0x0000000007060000-0x0000000007103000-memory.dmp

      Filesize

      652KB

    • memory/4828-22-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/4828-51-0x0000000007180000-0x000000000719A000-memory.dmp

      Filesize

      104KB

    • memory/4828-52-0x00000000071F0000-0x00000000071FA000-memory.dmp

      Filesize

      40KB

    • memory/4828-53-0x0000000007400000-0x0000000007496000-memory.dmp

      Filesize

      600KB

    • memory/4828-21-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/4828-55-0x0000000007380000-0x0000000007391000-memory.dmp

      Filesize

      68KB

    • memory/4828-19-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/4828-57-0x00000000073B0000-0x00000000073BE000-memory.dmp

      Filesize

      56KB

    • memory/4828-58-0x00000000073C0000-0x00000000073D4000-memory.dmp

      Filesize

      80KB

    • memory/4828-59-0x00000000074C0000-0x00000000074DA000-memory.dmp

      Filesize

      104KB

    • memory/4828-60-0x00000000074A0000-0x00000000074A8000-memory.dmp

      Filesize

      32KB

    • memory/4828-63-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/4828-17-0x0000000002530000-0x0000000002566000-memory.dmp

      Filesize

      216KB