Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2024 08:42

General

  • Target

    57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721N.exe

  • Size

    844KB

  • MD5

    378292f8dc166cbfca05bcfb35c0e530

  • SHA1

    0bfbbea512e1e9e7788685350825b0aba6eeca82

  • SHA256

    57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721

  • SHA512

    3f6016b48871330bdbeae8bba4a9d05628d4f9cefa1c3f9299d83f3fb4d80088a18aefbb7d2969ee3d3cb931b9074340c56c218905f10a158ead81593ff9631e

  • SSDEEP

    24576:6QIjDrVbCx3YNJdy7xoCFj22N51ZbwClNe8qvx+15cX8uf:aDlCyHkzFjTthDqkCX8E

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.apexrnun.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    %qroUozO;(C2Rlyb

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.

  • Looks up external IP address via web service 1 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721N.exe
    "C:\Users\Admin\AppData\Local\Temp\57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721N.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:3948
    • 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\57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721N.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1108
    • C:\Users\Admin\AppData\Local\Temp\57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721N.exe
      "C:\Users\Admin\AppData\Local\Temp\57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721N.exe"
      2⤵
        PID:1824
      • C:\Users\Admin\AppData\Local\Temp\57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721N.exe
        "C:\Users\Admin\AppData\Local\Temp\57c7933d769882ce3fe88605d7796c2137e8ae2ff2084469478af084740cb721N.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3488

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hufrrjzl.hud.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1108-48-0x0000000006C30000-0x0000000006CD3000-memory.dmp

      Filesize

      652KB

    • memory/1108-51-0x0000000006F90000-0x0000000006F9A000-memory.dmp

      Filesize

      40KB

    • memory/1108-32-0x0000000005780000-0x0000000005AD4000-memory.dmp

      Filesize

      3.3MB

    • memory/1108-61-0x0000000075260000-0x0000000075A10000-memory.dmp

      Filesize

      7.7MB

    • memory/1108-57-0x0000000007240000-0x0000000007248000-memory.dmp

      Filesize

      32KB

    • memory/1108-56-0x0000000007260000-0x000000000727A000-memory.dmp

      Filesize

      104KB

    • memory/1108-55-0x0000000007160000-0x0000000007174000-memory.dmp

      Filesize

      80KB

    • memory/1108-31-0x0000000075260000-0x0000000075A10000-memory.dmp

      Filesize

      7.7MB

    • memory/1108-54-0x0000000007150000-0x000000000715E000-memory.dmp

      Filesize

      56KB

    • memory/1108-53-0x0000000007120000-0x0000000007131000-memory.dmp

      Filesize

      68KB

    • memory/1108-52-0x00000000071A0000-0x0000000007236000-memory.dmp

      Filesize

      600KB

    • memory/1108-34-0x0000000005BF0000-0x0000000005C0E000-memory.dmp

      Filesize

      120KB

    • memory/1108-23-0x0000000005530000-0x0000000005596000-memory.dmp

      Filesize

      408KB

    • memory/1108-17-0x0000000075260000-0x0000000075A10000-memory.dmp

      Filesize

      7.7MB

    • memory/1108-50-0x0000000006F20000-0x0000000006F3A000-memory.dmp

      Filesize

      104KB

    • memory/1108-15-0x0000000004D60000-0x0000000005388000-memory.dmp

      Filesize

      6.2MB

    • memory/1108-18-0x0000000075260000-0x0000000075A10000-memory.dmp

      Filesize

      7.7MB

    • memory/1108-49-0x0000000007560000-0x0000000007BDA000-memory.dmp

      Filesize

      6.5MB

    • memory/1108-20-0x0000000004D30000-0x0000000004D52000-memory.dmp

      Filesize

      136KB

    • memory/1108-47-0x00000000061A0000-0x00000000061BE000-memory.dmp

      Filesize

      120KB

    • memory/1108-13-0x0000000002270000-0x00000000022A6000-memory.dmp

      Filesize

      216KB

    • memory/1108-37-0x0000000070EE0000-0x0000000070F2C000-memory.dmp

      Filesize

      304KB

    • memory/1108-36-0x0000000006160000-0x0000000006192000-memory.dmp

      Filesize

      200KB

    • memory/1108-35-0x0000000006250000-0x000000000629C000-memory.dmp

      Filesize

      304KB

    • memory/3488-14-0x0000000075260000-0x0000000075A10000-memory.dmp

      Filesize

      7.7MB

    • memory/3488-19-0x00000000059D0000-0x0000000005A36000-memory.dmp

      Filesize

      408KB

    • memory/3488-62-0x0000000075260000-0x0000000075A10000-memory.dmp

      Filesize

      7.7MB

    • memory/3488-58-0x00000000070D0000-0x0000000007120000-memory.dmp

      Filesize

      320KB

    • memory/3488-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3488-33-0x0000000075260000-0x0000000075A10000-memory.dmp

      Filesize

      7.7MB

    • memory/3948-0-0x000000007526E000-0x000000007526F000-memory.dmp

      Filesize

      4KB

    • memory/3948-16-0x0000000075260000-0x0000000075A10000-memory.dmp

      Filesize

      7.7MB

    • memory/3948-2-0x0000000005E90000-0x0000000006434000-memory.dmp

      Filesize

      5.6MB

    • memory/3948-1-0x0000000000E10000-0x0000000000EEA000-memory.dmp

      Filesize

      872KB

    • memory/3948-10-0x0000000007260000-0x00000000072F8000-memory.dmp

      Filesize

      608KB

    • memory/3948-9-0x0000000075260000-0x0000000075A10000-memory.dmp

      Filesize

      7.7MB

    • memory/3948-7-0x0000000005AD0000-0x0000000005AE2000-memory.dmp

      Filesize

      72KB

    • memory/3948-6-0x0000000005B60000-0x0000000005BFC000-memory.dmp

      Filesize

      624KB

    • memory/3948-5-0x0000000005A90000-0x0000000005A9A000-memory.dmp

      Filesize

      40KB

    • memory/3948-8-0x000000007526E000-0x000000007526F000-memory.dmp

      Filesize

      4KB

    • memory/3948-4-0x0000000075260000-0x0000000075A10000-memory.dmp

      Filesize

      7.7MB

    • memory/3948-3-0x00000000058E0000-0x0000000005972000-memory.dmp

      Filesize

      584KB