Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2024, 11:36

General

  • Target

    248A016D6E110A78E0630A00BA4D2B88.exe

  • Size

    561KB

  • MD5

    f8b23495334eff37789ba6cf4f6a6f46

  • SHA1

    5bc2e5a2218015c5a9be057404d040f5a182382c

  • SHA256

    165005cb8423f38beba5461a10f3cf5fb69304013b5033463265c5457e48b76d

  • SHA512

    c145ac1b03bb1683cd156f98cd43446666745b33ef7709d00a7c420dc49f647c1d9d92ffe8ed84b098ad152e5f343b1abadaecd6bb0d71b5bcf4fef7de7ec5fe

  • SSDEEP

    12288:Ephg7eqHFK/zilwRYpvd/rAJ60X+3tLZstDQBmBvNMdQ:EphClg7RYpvNtddsFJ

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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\248A016D6E110A78E0630A00BA4D2B88.exe
    "C:\Users\Admin\AppData\Local\Temp\248A016D6E110A78E0630A00BA4D2B88.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:5100
    • 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\248A016D6E110A78E0630A00BA4D2B88.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4636
    • C:\Users\Admin\AppData\Local\Temp\248A016D6E110A78E0630A00BA4D2B88.exe
      "C:\Users\Admin\AppData\Local\Temp\248A016D6E110A78E0630A00BA4D2B88.exe"
      2⤵
        PID:1352
      • C:\Users\Admin\AppData\Local\Temp\248A016D6E110A78E0630A00BA4D2B88.exe
        "C:\Users\Admin\AppData\Local\Temp\248A016D6E110A78E0630A00BA4D2B88.exe"
        2⤵
          PID:2084
        • C:\Users\Admin\AppData\Local\Temp\248A016D6E110A78E0630A00BA4D2B88.exe
          "C:\Users\Admin\AppData\Local\Temp\248A016D6E110A78E0630A00BA4D2B88.exe"
          2⤵
            PID:4612
          • C:\Users\Admin\AppData\Local\Temp\248A016D6E110A78E0630A00BA4D2B88.exe
            "C:\Users\Admin\AppData\Local\Temp\248A016D6E110A78E0630A00BA4D2B88.exe"
            2⤵
            • Accesses Microsoft Outlook profiles
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            • outlook_office_path
            • outlook_win_path
            PID:4616

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\248A016D6E110A78E0630A00BA4D2B88.exe.log

          Filesize

          1KB

          MD5

          8ec831f3e3a3f77e4a7b9cd32b48384c

          SHA1

          d83f09fd87c5bd86e045873c231c14836e76a05c

          SHA256

          7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

          SHA512

          26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1tqqilq0.bhk.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/4616-60-0x0000000006AA0000-0x0000000006C62000-memory.dmp

          Filesize

          1.8MB

        • memory/4616-59-0x0000000006880000-0x00000000068D0000-memory.dmp

          Filesize

          320KB

        • memory/4616-43-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/4636-28-0x0000000005F80000-0x0000000005FCC000-memory.dmp

          Filesize

          304KB

        • memory/4636-30-0x00000000064B0000-0x00000000064E2000-memory.dmp

          Filesize

          200KB

        • memory/4636-58-0x00007FFDBBB50000-0x00007FFDBBD45000-memory.dmp

          Filesize

          2.0MB

        • memory/4636-55-0x0000000007530000-0x0000000007538000-memory.dmp

          Filesize

          32KB

        • memory/4636-54-0x0000000007550000-0x000000000756A000-memory.dmp

          Filesize

          104KB

        • memory/4636-11-0x00007FFDBBB50000-0x00007FFDBBD45000-memory.dmp

          Filesize

          2.0MB

        • memory/4636-10-0x00000000025A0000-0x00000000025D6000-memory.dmp

          Filesize

          216KB

        • memory/4636-12-0x00007FFDBBB50000-0x00007FFDBBD45000-memory.dmp

          Filesize

          2.0MB

        • memory/4636-13-0x0000000005260000-0x0000000005888000-memory.dmp

          Filesize

          6.2MB

        • memory/4636-14-0x0000000004F30000-0x0000000004F52000-memory.dmp

          Filesize

          136KB

        • memory/4636-15-0x0000000004FD0000-0x0000000005036000-memory.dmp

          Filesize

          408KB

        • memory/4636-16-0x0000000005040000-0x00000000050A6000-memory.dmp

          Filesize

          408KB

        • memory/4636-53-0x0000000007450000-0x0000000007464000-memory.dmp

          Filesize

          80KB

        • memory/4636-26-0x00000000058A0000-0x0000000005BF4000-memory.dmp

          Filesize

          3.3MB

        • memory/4636-27-0x0000000005EF0000-0x0000000005F0E000-memory.dmp

          Filesize

          120KB

        • memory/4636-52-0x0000000007440000-0x000000000744E000-memory.dmp

          Filesize

          56KB

        • memory/4636-29-0x00007FFDBBB50000-0x00007FFDBBD45000-memory.dmp

          Filesize

          2.0MB

        • memory/4636-51-0x0000000007410000-0x0000000007421000-memory.dmp

          Filesize

          68KB

        • memory/4636-31-0x000000006F8E0000-0x000000006F92C000-memory.dmp

          Filesize

          304KB

        • memory/4636-41-0x0000000006510000-0x000000000652E000-memory.dmp

          Filesize

          120KB

        • memory/4636-42-0x0000000006EE0000-0x0000000006F83000-memory.dmp

          Filesize

          652KB

        • memory/4636-50-0x0000000007490000-0x0000000007526000-memory.dmp

          Filesize

          600KB

        • memory/4636-49-0x0000000007280000-0x000000000728A000-memory.dmp

          Filesize

          40KB

        • memory/4636-48-0x0000000007210000-0x000000000722A000-memory.dmp

          Filesize

          104KB

        • memory/4636-47-0x0000000007860000-0x0000000007EDA000-memory.dmp

          Filesize

          6.5MB

        • memory/5100-3-0x0000000004BF0000-0x0000000004C82000-memory.dmp

          Filesize

          584KB

        • memory/5100-46-0x00007FFDBBB50000-0x00007FFDBBD45000-memory.dmp

          Filesize

          2.0MB

        • memory/5100-4-0x00007FFDBBB50000-0x00007FFDBBD45000-memory.dmp

          Filesize

          2.0MB

        • memory/5100-6-0x00000000050F0000-0x0000000005102000-memory.dmp

          Filesize

          72KB

        • memory/5100-0-0x00007FFDBBB50000-0x00007FFDBBD45000-memory.dmp

          Filesize

          2.0MB

        • memory/5100-5-0x0000000004D80000-0x0000000004D8A000-memory.dmp

          Filesize

          40KB

        • memory/5100-9-0x00007FFDBBB50000-0x00007FFDBBD45000-memory.dmp

          Filesize

          2.0MB

        • memory/5100-8-0x000000000A010000-0x000000000A0AC000-memory.dmp

          Filesize

          624KB

        • memory/5100-7-0x0000000007880000-0x00000000078F2000-memory.dmp

          Filesize

          456KB

        • memory/5100-2-0x0000000005100000-0x00000000056A4000-memory.dmp

          Filesize

          5.6MB

        • memory/5100-1-0x0000000000140000-0x00000000001D2000-memory.dmp

          Filesize

          584KB