Analysis

  • max time kernel
    134s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/05/2024, 14:11

General

  • Target

    8c7a2e6b92c3db88ad183a2a6da6f523be61e4268782fa03c7bd4143f614ece7.exe

  • Size

    684KB

  • MD5

    04e91a7f1546da0a85e5fc3fd8eaa999

  • SHA1

    ab550405abd86070d515bc690bb5192e89d0902a

  • SHA256

    8c7a2e6b92c3db88ad183a2a6da6f523be61e4268782fa03c7bd4143f614ece7

  • SHA512

    be04801af3deebc3d1fa52be8983124187b3c3fb3454a188fcf10e0de6f74fb9c976d592325528805b52fae5e9a37d49292d3248da22cc2849a85885448faff9

  • SSDEEP

    12288:IIbWET/mr9K+22BEEzFatn/0jRgRvFY1lwlib+nKQzC3YnnbnepLTx7:tWtb3BEq1mYDXZonbYLTx7

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.

  • 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).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c7a2e6b92c3db88ad183a2a6da6f523be61e4268782fa03c7bd4143f614ece7.exe
    "C:\Users\Admin\AppData\Local\Temp\8c7a2e6b92c3db88ad183a2a6da6f523be61e4268782fa03c7bd4143f614ece7.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:920
    • 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\8c7a2e6b92c3db88ad183a2a6da6f523be61e4268782fa03c7bd4143f614ece7.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4244
    • C:\Users\Admin\AppData\Local\Temp\8c7a2e6b92c3db88ad183a2a6da6f523be61e4268782fa03c7bd4143f614ece7.exe
      "C:\Users\Admin\AppData\Local\Temp\8c7a2e6b92c3db88ad183a2a6da6f523be61e4268782fa03c7bd4143f614ece7.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1480

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8c7a2e6b92c3db88ad183a2a6da6f523be61e4268782fa03c7bd4143f614ece7.exe.log

          Filesize

          1KB

          MD5

          8ec831f3e3a3f77e4a7b9cd32b48384c

          SHA1

          d83f09fd87c5bd86e045873c231c14836e76a05c

          SHA256

          7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

          SHA512

          26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xfbaeqxc.lq2.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/920-6-0x0000000005610000-0x0000000005632000-memory.dmp

          Filesize

          136KB

        • memory/920-3-0x0000000005150000-0x00000000051E2000-memory.dmp

          Filesize

          584KB

        • memory/920-4-0x00000000050C0000-0x00000000050CA000-memory.dmp

          Filesize

          40KB

        • memory/920-5-0x0000000074790000-0x0000000074F40000-memory.dmp

          Filesize

          7.7MB

        • memory/920-16-0x0000000074790000-0x0000000074F40000-memory.dmp

          Filesize

          7.7MB

        • memory/920-7-0x0000000005140000-0x000000000514C000-memory.dmp

          Filesize

          48KB

        • memory/920-8-0x0000000002A80000-0x0000000002A90000-memory.dmp

          Filesize

          64KB

        • memory/920-9-0x00000000068E0000-0x0000000006950000-memory.dmp

          Filesize

          448KB

        • memory/920-10-0x00000000069F0000-0x0000000006A8C000-memory.dmp

          Filesize

          624KB

        • memory/920-2-0x0000000005660000-0x0000000005C04000-memory.dmp

          Filesize

          5.6MB

        • memory/920-1-0x0000000000740000-0x00000000007F2000-memory.dmp

          Filesize

          712KB

        • memory/920-0-0x000000007479E000-0x000000007479F000-memory.dmp

          Filesize

          4KB

        • memory/1480-23-0x0000000074790000-0x0000000074F40000-memory.dmp

          Filesize

          7.7MB

        • memory/1480-14-0x0000000074790000-0x0000000074F40000-memory.dmp

          Filesize

          7.7MB

        • memory/1480-63-0x0000000074790000-0x0000000074F40000-memory.dmp

          Filesize

          7.7MB

        • memory/1480-17-0x0000000005180000-0x00000000051E6000-memory.dmp

          Filesize

          408KB

        • memory/1480-62-0x0000000006710000-0x00000000068D2000-memory.dmp

          Filesize

          1.8MB

        • memory/1480-61-0x00000000064F0000-0x0000000006540000-memory.dmp

          Filesize

          320KB

        • memory/1480-11-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/4244-48-0x0000000007600000-0x00000000076A3000-memory.dmp

          Filesize

          652KB

        • memory/4244-50-0x0000000007930000-0x000000000794A000-memory.dmp

          Filesize

          104KB

        • memory/4244-22-0x00000000055D0000-0x0000000005636000-memory.dmp

          Filesize

          408KB

        • memory/4244-33-0x0000000005FF0000-0x0000000006344000-memory.dmp

          Filesize

          3.3MB

        • memory/4244-34-0x0000000006600000-0x000000000661E000-memory.dmp

          Filesize

          120KB

        • memory/4244-35-0x00000000066B0000-0x00000000066FC000-memory.dmp

          Filesize

          304KB

        • memory/4244-37-0x0000000070410000-0x000000007045C000-memory.dmp

          Filesize

          304KB

        • memory/4244-36-0x0000000006BE0000-0x0000000006C12000-memory.dmp

          Filesize

          200KB

        • memory/4244-15-0x0000000002D00000-0x0000000002D36000-memory.dmp

          Filesize

          216KB

        • memory/4244-47-0x00000000075E0000-0x00000000075FE000-memory.dmp

          Filesize

          120KB

        • memory/4244-49-0x0000000007F70000-0x00000000085EA000-memory.dmp

          Filesize

          6.5MB

        • memory/4244-20-0x0000000074790000-0x0000000074F40000-memory.dmp

          Filesize

          7.7MB

        • memory/4244-51-0x00000000079A0000-0x00000000079AA000-memory.dmp

          Filesize

          40KB

        • memory/4244-52-0x0000000007BB0000-0x0000000007C46000-memory.dmp

          Filesize

          600KB

        • memory/4244-53-0x0000000007B30000-0x0000000007B41000-memory.dmp

          Filesize

          68KB

        • memory/4244-54-0x0000000007B60000-0x0000000007B6E000-memory.dmp

          Filesize

          56KB

        • memory/4244-55-0x0000000007B70000-0x0000000007B84000-memory.dmp

          Filesize

          80KB

        • memory/4244-57-0x0000000007C50000-0x0000000007C58000-memory.dmp

          Filesize

          32KB

        • memory/4244-56-0x0000000007C70000-0x0000000007C8A000-memory.dmp

          Filesize

          104KB

        • memory/4244-60-0x0000000074790000-0x0000000074F40000-memory.dmp

          Filesize

          7.7MB

        • memory/4244-21-0x0000000005530000-0x0000000005552000-memory.dmp

          Filesize

          136KB

        • memory/4244-19-0x0000000005870000-0x0000000005E98000-memory.dmp

          Filesize

          6.2MB

        • memory/4244-18-0x0000000074790000-0x0000000074F40000-memory.dmp

          Filesize

          7.7MB