Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/09/2024, 14:01

General

  • Target

    420e0d791c2e5de27eb45cddb00321f7ba3fb3c2a735bd98d440345d01a7bec8.exe

  • Size

    584KB

  • MD5

    de27d5d7627ad1b480e42c6feb3ef4f5

  • SHA1

    52583149e44eb42ca8b9322a7216b6eb22717162

  • SHA256

    420e0d791c2e5de27eb45cddb00321f7ba3fb3c2a735bd98d440345d01a7bec8

  • SHA512

    82424614d97be085e77a3a538dc31ee4113ac0822831b2ac3c472616bec4029065c81fbe148ff9e1376e71abb4379e5a0efdc2d87b7292f90d8bc5c700fd7dac

  • SSDEEP

    12288:oErlAypLIe29k0bB4VmjqPgl29WbtyLmEWdZg7dkraTD/Ml:vAypyB4VmGb9WbcV0g7WraTr

Malware Config

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.

  • 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 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\420e0d791c2e5de27eb45cddb00321f7ba3fb3c2a735bd98d440345d01a7bec8.exe
    "C:\Users\Admin\AppData\Local\Temp\420e0d791c2e5de27eb45cddb00321f7ba3fb3c2a735bd98d440345d01a7bec8.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1932
    • 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\420e0d791c2e5de27eb45cddb00321f7ba3fb3c2a735bd98d440345d01a7bec8.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3672
    • C:\Users\Admin\AppData\Local\Temp\420e0d791c2e5de27eb45cddb00321f7ba3fb3c2a735bd98d440345d01a7bec8.exe
      "C:\Users\Admin\AppData\Local\Temp\420e0d791c2e5de27eb45cddb00321f7ba3fb3c2a735bd98d440345d01a7bec8.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3388

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ufsenfl5.zue.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/1932-10-0x00000000061F0000-0x0000000006260000-memory.dmp

          Filesize

          448KB

        • memory/1932-2-0x0000000005540000-0x0000000005AE4000-memory.dmp

          Filesize

          5.6MB

        • memory/1932-3-0x0000000004EE0000-0x0000000004F72000-memory.dmp

          Filesize

          584KB

        • memory/1932-4-0x0000000074F30000-0x00000000756E0000-memory.dmp

          Filesize

          7.7MB

        • memory/1932-5-0x0000000004FB0000-0x0000000004FBA000-memory.dmp

          Filesize

          40KB

        • memory/1932-6-0x0000000005510000-0x000000000552A000-memory.dmp

          Filesize

          104KB

        • memory/1932-7-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

          Filesize

          4KB

        • memory/1932-8-0x0000000074F30000-0x00000000756E0000-memory.dmp

          Filesize

          7.7MB

        • memory/1932-0-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

          Filesize

          4KB

        • memory/1932-9-0x00000000061D0000-0x00000000061DE000-memory.dmp

          Filesize

          56KB

        • memory/1932-1-0x0000000000460000-0x00000000004F8000-memory.dmp

          Filesize

          608KB

        • memory/1932-15-0x0000000074F30000-0x00000000756E0000-memory.dmp

          Filesize

          7.7MB

        • memory/1932-11-0x00000000088C0000-0x000000000895C000-memory.dmp

          Filesize

          624KB

        • memory/3388-12-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/3388-63-0x0000000074F30000-0x00000000756E0000-memory.dmp

          Filesize

          7.7MB

        • memory/3388-17-0x0000000005770000-0x00000000057D6000-memory.dmp

          Filesize

          408KB

        • memory/3388-52-0x0000000006EB0000-0x0000000007072000-memory.dmp

          Filesize

          1.8MB

        • memory/3388-20-0x0000000074F30000-0x00000000756E0000-memory.dmp

          Filesize

          7.7MB

        • memory/3388-49-0x0000000006B60000-0x0000000006BB0000-memory.dmp

          Filesize

          320KB

        • memory/3388-14-0x0000000074F30000-0x00000000756E0000-memory.dmp

          Filesize

          7.7MB

        • memory/3672-23-0x0000000005B50000-0x0000000005BB6000-memory.dmp

          Filesize

          408KB

        • memory/3672-19-0x00000000054B0000-0x0000000005AD8000-memory.dmp

          Filesize

          6.2MB

        • memory/3672-24-0x0000000005C30000-0x0000000005F84000-memory.dmp

          Filesize

          3.3MB

        • memory/3672-21-0x0000000074F30000-0x00000000756E0000-memory.dmp

          Filesize

          7.7MB

        • memory/3672-34-0x0000000006230000-0x000000000624E000-memory.dmp

          Filesize

          120KB

        • memory/3672-35-0x00000000062E0000-0x000000000632C000-memory.dmp

          Filesize

          304KB

        • memory/3672-37-0x0000000070BB0000-0x0000000070BFC000-memory.dmp

          Filesize

          304KB

        • memory/3672-36-0x0000000006810000-0x0000000006842000-memory.dmp

          Filesize

          200KB

        • memory/3672-47-0x00000000067F0000-0x000000000680E000-memory.dmp

          Filesize

          120KB

        • memory/3672-48-0x0000000007410000-0x00000000074B3000-memory.dmp

          Filesize

          652KB

        • memory/3672-50-0x0000000007BB0000-0x000000000822A000-memory.dmp

          Filesize

          6.5MB

        • memory/3672-22-0x0000000005360000-0x0000000005382000-memory.dmp

          Filesize

          136KB

        • memory/3672-51-0x0000000007560000-0x000000000757A000-memory.dmp

          Filesize

          104KB

        • memory/3672-18-0x0000000074F30000-0x00000000756E0000-memory.dmp

          Filesize

          7.7MB

        • memory/3672-53-0x00000000075D0000-0x00000000075DA000-memory.dmp

          Filesize

          40KB

        • memory/3672-54-0x00000000077E0000-0x0000000007876000-memory.dmp

          Filesize

          600KB

        • memory/3672-55-0x0000000007760000-0x0000000007771000-memory.dmp

          Filesize

          68KB

        • memory/3672-56-0x0000000007790000-0x000000000779E000-memory.dmp

          Filesize

          56KB

        • memory/3672-57-0x00000000077A0000-0x00000000077B4000-memory.dmp

          Filesize

          80KB

        • memory/3672-58-0x00000000078A0000-0x00000000078BA000-memory.dmp

          Filesize

          104KB

        • memory/3672-59-0x0000000007880000-0x0000000007888000-memory.dmp

          Filesize

          32KB

        • memory/3672-62-0x0000000074F30000-0x00000000756E0000-memory.dmp

          Filesize

          7.7MB

        • memory/3672-16-0x0000000002910000-0x0000000002946000-memory.dmp

          Filesize

          216KB