Analysis

  • max time kernel
    140s
  • max time network
    128s
  • 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, 01:32

General

  • Target

    3b233c5cc8b85a8020975ed736b93644fdae180f1d6f5190d91a3512e813ba8a.exe

  • Size

    639KB

  • MD5

    d91288a26f3bba21b1b1a0370ad76e53

  • SHA1

    4732007644e147cd49b9f04256be558859be3fba

  • SHA256

    3b233c5cc8b85a8020975ed736b93644fdae180f1d6f5190d91a3512e813ba8a

  • SHA512

    fe5e95d982e5b73c29010e97652b6bcc435b90a73659099519ab1d112354416ca9d32bded3ddc475bbb002ecd4e31372bb2388d224e71efe889ca7a599e62f89

  • SSDEEP

    12288:Pcir1S2IoOAc6/5rZGmy4c/uZno/+gwbFYgcPGcJUOO7aSMf5AzKcWBBcKN2O0CK:6/u9o2LFYZnO5qnbkKKk0

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5834796283:AAGrwY-Kkn2VgcNc7OCI3d_ssicyDA9JZcg/

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
  • Looks up external IP address via web service 2 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b233c5cc8b85a8020975ed736b93644fdae180f1d6f5190d91a3512e813ba8a.exe
    "C:\Users\Admin\AppData\Local\Temp\3b233c5cc8b85a8020975ed736b93644fdae180f1d6f5190d91a3512e813ba8a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4616
    • 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\3b233c5cc8b85a8020975ed736b93644fdae180f1d6f5190d91a3512e813ba8a.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1624
    • C:\Users\Admin\AppData\Local\Temp\3b233c5cc8b85a8020975ed736b93644fdae180f1d6f5190d91a3512e813ba8a.exe
      "C:\Users\Admin\AppData\Local\Temp\3b233c5cc8b85a8020975ed736b93644fdae180f1d6f5190d91a3512e813ba8a.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2808

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kl5uh135.agf.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/1624-51-0x0000000006DC0000-0x0000000006DCA000-memory.dmp

          Filesize

          40KB

        • memory/1624-50-0x0000000006D50000-0x0000000006D6A000-memory.dmp

          Filesize

          104KB

        • memory/1624-60-0x0000000074EF0000-0x00000000756A0000-memory.dmp

          Filesize

          7.7MB

        • memory/1624-57-0x0000000007070000-0x0000000007078000-memory.dmp

          Filesize

          32KB

        • memory/1624-56-0x0000000007090000-0x00000000070AA000-memory.dmp

          Filesize

          104KB

        • memory/1624-55-0x0000000006F90000-0x0000000006FA4000-memory.dmp

          Filesize

          80KB

        • memory/1624-54-0x0000000006F80000-0x0000000006F8E000-memory.dmp

          Filesize

          56KB

        • memory/1624-53-0x0000000006F50000-0x0000000006F61000-memory.dmp

          Filesize

          68KB

        • memory/1624-52-0x0000000006FD0000-0x0000000007066000-memory.dmp

          Filesize

          600KB

        • memory/1624-22-0x0000000074EF0000-0x00000000756A0000-memory.dmp

          Filesize

          7.7MB

        • memory/1624-49-0x00000000073A0000-0x0000000007A1A000-memory.dmp

          Filesize

          6.5MB

        • memory/1624-47-0x0000000005FA0000-0x0000000005FBE000-memory.dmp

          Filesize

          120KB

        • memory/1624-48-0x0000000006C20000-0x0000000006CC3000-memory.dmp

          Filesize

          652KB

        • memory/1624-36-0x00000000069E0000-0x0000000006A12000-memory.dmp

          Filesize

          200KB

        • memory/1624-15-0x00000000020F0000-0x0000000002126000-memory.dmp

          Filesize

          216KB

        • memory/1624-37-0x0000000070B70000-0x0000000070BBC000-memory.dmp

          Filesize

          304KB

        • memory/1624-18-0x0000000004CF0000-0x0000000005318000-memory.dmp

          Filesize

          6.2MB

        • memory/1624-35-0x0000000005FD0000-0x000000000601C000-memory.dmp

          Filesize

          304KB

        • memory/1624-21-0x0000000074EF0000-0x00000000756A0000-memory.dmp

          Filesize

          7.7MB

        • memory/1624-20-0x0000000004B80000-0x0000000004BE6000-memory.dmp

          Filesize

          408KB

        • memory/1624-34-0x0000000005A30000-0x0000000005A4E000-memory.dmp

          Filesize

          120KB

        • memory/1624-28-0x0000000005490000-0x00000000057E4000-memory.dmp

          Filesize

          3.3MB

        • memory/1624-19-0x0000000004960000-0x0000000004982000-memory.dmp

          Filesize

          136KB

        • memory/1624-33-0x0000000074EF0000-0x00000000756A0000-memory.dmp

          Filesize

          7.7MB

        • memory/2808-62-0x00000000069B0000-0x0000000006B72000-memory.dmp

          Filesize

          1.8MB

        • memory/2808-63-0x0000000074EF0000-0x00000000756A0000-memory.dmp

          Filesize

          7.7MB

        • memory/2808-17-0x0000000074EF0000-0x00000000756A0000-memory.dmp

          Filesize

          7.7MB

        • memory/2808-16-0x0000000004FB0000-0x0000000005016000-memory.dmp

          Filesize

          408KB

        • memory/2808-61-0x0000000006790000-0x00000000067E0000-memory.dmp

          Filesize

          320KB

        • memory/2808-13-0x0000000074EF0000-0x00000000756A0000-memory.dmp

          Filesize

          7.7MB

        • memory/2808-11-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/4616-2-0x0000000005060000-0x0000000005604000-memory.dmp

          Filesize

          5.6MB

        • memory/4616-10-0x0000000009F10000-0x0000000009FAC000-memory.dmp

          Filesize

          624KB

        • memory/4616-7-0x0000000074EF0000-0x00000000756A0000-memory.dmp

          Filesize

          7.7MB

        • memory/4616-8-0x0000000004B40000-0x0000000004B52000-memory.dmp

          Filesize

          72KB

        • memory/4616-9-0x0000000004FE0000-0x0000000005052000-memory.dmp

          Filesize

          456KB

        • memory/4616-6-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

          Filesize

          4KB

        • memory/4616-5-0x0000000004B00000-0x0000000004B0A000-memory.dmp

          Filesize

          40KB

        • memory/4616-4-0x0000000074EF0000-0x00000000756A0000-memory.dmp

          Filesize

          7.7MB

        • memory/4616-3-0x0000000004B50000-0x0000000004BE2000-memory.dmp

          Filesize

          584KB

        • memory/4616-0-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

          Filesize

          4KB

        • memory/4616-14-0x0000000074EF0000-0x00000000756A0000-memory.dmp

          Filesize

          7.7MB

        • memory/4616-1-0x0000000000070000-0x0000000000116000-memory.dmp

          Filesize

          664KB