Analysis

  • max time kernel
    115s
  • max time network
    48s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 01:41

General

  • Target

    a423d20538a3ed387be79e95ac7b33d017544c2107436cf9ba4c30cf3cc67965.exe

  • Size

    762KB

  • MD5

    fc00b5619d6ae61462d650846f99a94c

  • SHA1

    f564fba996dcff200dd25f70e91a191993284c1e

  • SHA256

    a423d20538a3ed387be79e95ac7b33d017544c2107436cf9ba4c30cf3cc67965

  • SHA512

    e70f32bcd13ae1bcb883d4133d484dd634d1646a9240ac6c24ff811a102ca730482d01f1b59cd7b1ca57af0239c094968e0c3829d998710bef7199719f5bda2d

  • SSDEEP

    12288:kiZaD3HH3DI+y7kE8tgwIONzp7gfvydBgAUxr6+jRbk8RznRKx1rsJj:xZajH3DIf8tgE5Ky/nUxmIxVwxFsJj

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a423d20538a3ed387be79e95ac7b33d017544c2107436cf9ba4c30cf3cc67965.exe
    "C:\Users\Admin\AppData\Local\Temp\a423d20538a3ed387be79e95ac7b33d017544c2107436cf9ba4c30cf3cc67965.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3164
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uqqEYttaL.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2708
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uqqEYttaL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7966.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:5080
    • C:\Users\Admin\AppData\Local\Temp\a423d20538a3ed387be79e95ac7b33d017544c2107436cf9ba4c30cf3cc67965.exe
      "C:\Users\Admin\AppData\Local\Temp\a423d20538a3ed387be79e95ac7b33d017544c2107436cf9ba4c30cf3cc67965.exe"
      2⤵
        PID:2580
      • C:\Users\Admin\AppData\Local\Temp\a423d20538a3ed387be79e95ac7b33d017544c2107436cf9ba4c30cf3cc67965.exe
        "C:\Users\Admin\AppData\Local\Temp\a423d20538a3ed387be79e95ac7b33d017544c2107436cf9ba4c30cf3cc67965.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:736

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_24zbuthp.k0q.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp7966.tmp

      Filesize

      1KB

      MD5

      a5367be10b8705a82b8edd8a26cd3412

      SHA1

      177a9a438cccf24f900d04126ce2702617471081

      SHA256

      9ad798f982211344e4ab27ed30dc84031bbe796083dc9eaa230360e132a13793

      SHA512

      651e11034da5054e80c3223b4072bcf96469eccf8e8f02e9d19f0f062bfb81c17fb7bc426accb04040680cc71be3813891abb4afed70ebacf553ba9a63d1cd27

    • memory/736-65-0x0000000074D90000-0x0000000075540000-memory.dmp

      Filesize

      7.7MB

    • memory/736-60-0x0000000006850000-0x00000000068A0000-memory.dmp

      Filesize

      320KB

    • memory/736-35-0x0000000074D90000-0x0000000075540000-memory.dmp

      Filesize

      7.7MB

    • memory/736-28-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2708-22-0x0000000074D90000-0x0000000075540000-memory.dmp

      Filesize

      7.7MB

    • memory/2708-53-0x0000000007920000-0x000000000793A000-memory.dmp

      Filesize

      104KB

    • memory/2708-64-0x0000000074D90000-0x0000000075540000-memory.dmp

      Filesize

      7.7MB

    • memory/2708-61-0x0000000007C40000-0x0000000007C48000-memory.dmp

      Filesize

      32KB

    • memory/2708-14-0x0000000002CC0000-0x0000000002CF6000-memory.dmp

      Filesize

      216KB

    • memory/2708-15-0x00000000059F0000-0x0000000006018000-memory.dmp

      Filesize

      6.2MB

    • memory/2708-16-0x0000000074D90000-0x0000000075540000-memory.dmp

      Filesize

      7.7MB

    • memory/2708-17-0x0000000074D90000-0x0000000075540000-memory.dmp

      Filesize

      7.7MB

    • memory/2708-59-0x0000000007C60000-0x0000000007C7A000-memory.dmp

      Filesize

      104KB

    • memory/2708-19-0x0000000005720000-0x0000000005742000-memory.dmp

      Filesize

      136KB

    • memory/2708-21-0x0000000005960000-0x00000000059C6000-memory.dmp

      Filesize

      408KB

    • memory/2708-58-0x0000000007B60000-0x0000000007B74000-memory.dmp

      Filesize

      80KB

    • memory/2708-34-0x0000000006020000-0x0000000006374000-memory.dmp

      Filesize

      3.3MB

    • memory/2708-57-0x0000000007B50000-0x0000000007B5E000-memory.dmp

      Filesize

      56KB

    • memory/2708-56-0x0000000007B20000-0x0000000007B31000-memory.dmp

      Filesize

      68KB

    • memory/2708-20-0x0000000005840000-0x00000000058A6000-memory.dmp

      Filesize

      408KB

    • memory/2708-55-0x0000000007BA0000-0x0000000007C36000-memory.dmp

      Filesize

      600KB

    • memory/2708-54-0x0000000007990000-0x000000000799A000-memory.dmp

      Filesize

      40KB

    • memory/2708-37-0x00000000065F0000-0x000000000660E000-memory.dmp

      Filesize

      120KB

    • memory/2708-38-0x0000000006B70000-0x0000000006BBC000-memory.dmp

      Filesize

      304KB

    • memory/2708-39-0x00000000077C0000-0x00000000077F2000-memory.dmp

      Filesize

      200KB

    • memory/2708-40-0x0000000071430000-0x000000007147C000-memory.dmp

      Filesize

      304KB

    • memory/2708-50-0x0000000006BC0000-0x0000000006BDE000-memory.dmp

      Filesize

      120KB

    • memory/2708-51-0x0000000007800000-0x00000000078A3000-memory.dmp

      Filesize

      652KB

    • memory/2708-52-0x0000000007F60000-0x00000000085DA000-memory.dmp

      Filesize

      6.5MB

    • memory/3164-7-0x00000000076D0000-0x00000000076E0000-memory.dmp

      Filesize

      64KB

    • memory/3164-3-0x0000000004D70000-0x0000000004E02000-memory.dmp

      Filesize

      584KB

    • memory/3164-36-0x0000000074D90000-0x0000000075540000-memory.dmp

      Filesize

      7.7MB

    • memory/3164-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

      Filesize

      4KB

    • memory/3164-4-0x0000000004D00000-0x0000000004D0A000-memory.dmp

      Filesize

      40KB

    • memory/3164-5-0x0000000074D90000-0x0000000075540000-memory.dmp

      Filesize

      7.7MB

    • memory/3164-6-0x00000000076B0000-0x00000000076CA000-memory.dmp

      Filesize

      104KB

    • memory/3164-2-0x0000000005280000-0x0000000005824000-memory.dmp

      Filesize

      5.6MB

    • memory/3164-9-0x000000000A180000-0x000000000A21C000-memory.dmp

      Filesize

      624KB

    • memory/3164-8-0x0000000007A20000-0x0000000007AA2000-memory.dmp

      Filesize

      520KB

    • memory/3164-1-0x0000000000230000-0x00000000002F4000-memory.dmp

      Filesize

      784KB