Analysis

  • max time kernel
    116s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/09/2024, 14:02

General

  • Target

    urgent inquiry.exe

  • Size

    635KB

  • MD5

    1fb2088c9d4054cb8881b8065f8c7fcc

  • SHA1

    4adeea429e6ec3fd6c3ce62e184c61b4a1be12b1

  • SHA256

    c39033fb9aa3af73b672cd1784036e84a3bb20d7cb8d2dd612208bdd5b96d622

  • SHA512

    f7935457e959d4ba4684483753e2ca02820fac4fc0c5d3f08a43108d85230dc62be4ad0dd437a276f4f10005ca585896e179a0e3e7ab6ea098b28d7076dc7bd7

  • SSDEEP

    12288:T/qRqjqYB2HqyF1ip9IfxWledlMq6mapp/VhwXyhl43E5aIsKtM:TqpUcrF+IZWljq1mp/Vh2yhl5lM

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bonnyriggdentalsurgery.com.au
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    eL)rV@QBKA#m

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\urgent inquiry.exe
    "C:\Users\Admin\AppData\Local\Temp\urgent inquiry.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:3308
    • 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\urgent inquiry.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2616
    • C:\Users\Admin\AppData\Local\Temp\urgent inquiry.exe
      "C:\Users\Admin\AppData\Local\Temp\urgent inquiry.exe"
      2⤵
        PID:972
      • C:\Users\Admin\AppData\Local\Temp\urgent inquiry.exe
        "C:\Users\Admin\AppData\Local\Temp\urgent inquiry.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1648

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_luqhr0qx.k0m.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1648-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1648-64-0x00000000749D0000-0x0000000075180000-memory.dmp

      Filesize

      7.7MB

    • memory/1648-63-0x00000000749D0000-0x0000000075180000-memory.dmp

      Filesize

      7.7MB

    • memory/1648-57-0x00000000069A0000-0x00000000069F0000-memory.dmp

      Filesize

      320KB

    • memory/1648-34-0x00000000749D0000-0x0000000075180000-memory.dmp

      Filesize

      7.7MB

    • memory/1648-19-0x0000000005290000-0x00000000052F6000-memory.dmp

      Filesize

      408KB

    • memory/1648-14-0x00000000749D0000-0x0000000075180000-memory.dmp

      Filesize

      7.7MB

    • memory/2616-22-0x0000000005960000-0x00000000059C6000-memory.dmp

      Filesize

      408KB

    • memory/2616-52-0x00000000074A0000-0x00000000074AA000-memory.dmp

      Filesize

      40KB

    • memory/2616-62-0x00000000749D0000-0x0000000075180000-memory.dmp

      Filesize

      7.7MB

    • memory/2616-59-0x0000000007750000-0x0000000007758000-memory.dmp

      Filesize

      32KB

    • memory/2616-58-0x0000000007770000-0x000000000778A000-memory.dmp

      Filesize

      104KB

    • memory/2616-56-0x0000000007670000-0x0000000007684000-memory.dmp

      Filesize

      80KB

    • memory/2616-16-0x0000000004B50000-0x0000000004B86000-memory.dmp

      Filesize

      216KB

    • memory/2616-18-0x00000000749D0000-0x0000000075180000-memory.dmp

      Filesize

      7.7MB

    • memory/2616-17-0x00000000051C0000-0x00000000057E8000-memory.dmp

      Filesize

      6.2MB

    • memory/2616-55-0x0000000007660000-0x000000000766E000-memory.dmp

      Filesize

      56KB

    • memory/2616-21-0x0000000005150000-0x0000000005172000-memory.dmp

      Filesize

      136KB

    • memory/2616-20-0x00000000749D0000-0x0000000075180000-memory.dmp

      Filesize

      7.7MB

    • memory/2616-54-0x0000000007630000-0x0000000007641000-memory.dmp

      Filesize

      68KB

    • memory/2616-53-0x00000000076B0000-0x0000000007746000-memory.dmp

      Filesize

      600KB

    • memory/2616-28-0x00000000749D0000-0x0000000075180000-memory.dmp

      Filesize

      7.7MB

    • memory/2616-30-0x0000000005AC0000-0x0000000005E14000-memory.dmp

      Filesize

      3.3MB

    • memory/2616-51-0x0000000007430000-0x000000000744A000-memory.dmp

      Filesize

      104KB

    • memory/2616-35-0x0000000006110000-0x000000000612E000-memory.dmp

      Filesize

      120KB

    • memory/2616-36-0x00000000061A0000-0x00000000061EC000-memory.dmp

      Filesize

      304KB

    • memory/2616-37-0x00000000066E0000-0x0000000006712000-memory.dmp

      Filesize

      200KB

    • memory/2616-38-0x0000000070650000-0x000000007069C000-memory.dmp

      Filesize

      304KB

    • memory/2616-48-0x00000000066C0000-0x00000000066DE000-memory.dmp

      Filesize

      120KB

    • memory/2616-49-0x0000000006730000-0x00000000067D3000-memory.dmp

      Filesize

      652KB

    • memory/2616-50-0x0000000007A80000-0x00000000080FA000-memory.dmp

      Filesize

      6.5MB

    • memory/3308-4-0x00000000749D0000-0x0000000075180000-memory.dmp

      Filesize

      7.7MB

    • memory/3308-10-0x0000000006B00000-0x0000000006B84000-memory.dmp

      Filesize

      528KB

    • memory/3308-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

      Filesize

      4KB

    • memory/3308-5-0x0000000005080000-0x000000000508A000-memory.dmp

      Filesize

      40KB

    • memory/3308-6-0x0000000005320000-0x00000000053BC000-memory.dmp

      Filesize

      624KB

    • memory/3308-15-0x00000000749D0000-0x0000000075180000-memory.dmp

      Filesize

      7.7MB

    • memory/3308-3-0x00000000050A0000-0x0000000005132000-memory.dmp

      Filesize

      584KB

    • memory/3308-7-0x00000000067A0000-0x00000000067B0000-memory.dmp

      Filesize

      64KB

    • memory/3308-8-0x00000000749DE000-0x00000000749DF000-memory.dmp

      Filesize

      4KB

    • memory/3308-9-0x00000000749D0000-0x0000000075180000-memory.dmp

      Filesize

      7.7MB

    • memory/3308-2-0x0000000005570000-0x0000000005B14000-memory.dmp

      Filesize

      5.6MB

    • memory/3308-1-0x00000000005E0000-0x0000000000684000-memory.dmp

      Filesize

      656KB