Analysis

  • max time kernel
    124s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-09-2024 07:25

General

  • Target

    rQUu2eHuvuSOA1L.exe

  • Size

    652KB

  • MD5

    999c2c940d0c49ab173cd107e6d5323c

  • SHA1

    8e14d16e2a7ca0e253203fbb9c44814d7ed6b3f4

  • SHA256

    3b318399e094b9024f2b6c8d92eff595a636b147b4bf240752e92a6bcd7b7fd8

  • SHA512

    5b3d480b1569a8780098cfe80a9ae3fda010d601979ed0973d1e86a1ee34003eedd21d5d1fe8c98fdba059da7ae7c6bd20f3c6cdbb309a2fc3c9e7d094e85d4d

  • SSDEEP

    12288:+SaxzV17d704jDHWOkAJbH4aQDbRE8hUrHmAxOqZysQpryO0Nsy9i72l:KzV1R7RH9kAZARUjSz3yOysykE

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.

  • 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.

  • 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\rQUu2eHuvuSOA1L.exe
    "C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.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:1728
    • 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\rQUu2eHuvuSOA1L.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4692
    • C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe
      "C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe"
      2⤵
        PID:3688
      • C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe
        "C:\Users\Admin\AppData\Local\Temp\rQUu2eHuvuSOA1L.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4684

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\rQUu2eHuvuSOA1L.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mxbyefdq.t1y.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1728-10-0x0000000009E40000-0x0000000009EDC000-memory.dmp

      Filesize

      624KB

    • memory/1728-14-0x0000000074DE0000-0x0000000075590000-memory.dmp

      Filesize

      7.7MB

    • memory/1728-4-0x0000000074DE0000-0x0000000075590000-memory.dmp

      Filesize

      7.7MB

    • memory/1728-5-0x0000000004EE0000-0x0000000004EEA000-memory.dmp

      Filesize

      40KB

    • memory/1728-6-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

      Filesize

      64KB

    • memory/1728-7-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

      Filesize

      4KB

    • memory/1728-8-0x0000000074DE0000-0x0000000075590000-memory.dmp

      Filesize

      7.7MB

    • memory/1728-9-0x0000000006350000-0x00000000063D4000-memory.dmp

      Filesize

      528KB

    • memory/1728-0-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

      Filesize

      4KB

    • memory/1728-3-0x0000000004E20000-0x0000000004EB2000-memory.dmp

      Filesize

      584KB

    • memory/1728-2-0x00000000054F0000-0x0000000005A94000-memory.dmp

      Filesize

      5.6MB

    • memory/1728-1-0x0000000000390000-0x000000000043A000-memory.dmp

      Filesize

      680KB

    • memory/4684-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4684-62-0x00000000064F0000-0x0000000006540000-memory.dmp

      Filesize

      320KB

    • memory/4684-19-0x0000000074DE0000-0x0000000075590000-memory.dmp

      Filesize

      7.7MB

    • memory/4684-17-0x0000000004FF0000-0x0000000005056000-memory.dmp

      Filesize

      408KB

    • memory/4684-16-0x0000000074DE0000-0x0000000075590000-memory.dmp

      Filesize

      7.7MB

    • memory/4684-63-0x0000000074DE0000-0x0000000075590000-memory.dmp

      Filesize

      7.7MB

    • memory/4692-22-0x00000000050E0000-0x0000000005102000-memory.dmp

      Filesize

      136KB

    • memory/4692-49-0x00000000072A0000-0x0000000007343000-memory.dmp

      Filesize

      652KB

    • memory/4692-21-0x0000000074DE0000-0x0000000075590000-memory.dmp

      Filesize

      7.7MB

    • memory/4692-20-0x0000000074DE0000-0x0000000075590000-memory.dmp

      Filesize

      7.7MB

    • memory/4692-24-0x0000000074DE0000-0x0000000075590000-memory.dmp

      Filesize

      7.7MB

    • memory/4692-34-0x0000000005AE0000-0x0000000005E34000-memory.dmp

      Filesize

      3.3MB

    • memory/4692-35-0x00000000060A0000-0x00000000060BE000-memory.dmp

      Filesize

      120KB

    • memory/4692-36-0x00000000060F0000-0x000000000613C000-memory.dmp

      Filesize

      304KB

    • memory/4692-37-0x0000000006680000-0x00000000066B2000-memory.dmp

      Filesize

      200KB

    • memory/4692-38-0x0000000070A60000-0x0000000070AAC000-memory.dmp

      Filesize

      304KB

    • memory/4692-48-0x0000000007270000-0x000000000728E000-memory.dmp

      Filesize

      120KB

    • memory/4692-23-0x0000000005180000-0x00000000051E6000-memory.dmp

      Filesize

      408KB

    • memory/4692-50-0x0000000007A10000-0x000000000808A000-memory.dmp

      Filesize

      6.5MB

    • memory/4692-51-0x00000000073D0000-0x00000000073EA000-memory.dmp

      Filesize

      104KB

    • memory/4692-52-0x0000000007440000-0x000000000744A000-memory.dmp

      Filesize

      40KB

    • memory/4692-53-0x0000000007650000-0x00000000076E6000-memory.dmp

      Filesize

      600KB

    • memory/4692-54-0x00000000075D0000-0x00000000075E1000-memory.dmp

      Filesize

      68KB

    • memory/4692-55-0x0000000007600000-0x000000000760E000-memory.dmp

      Filesize

      56KB

    • memory/4692-56-0x0000000007610000-0x0000000007624000-memory.dmp

      Filesize

      80KB

    • memory/4692-57-0x0000000007710000-0x000000000772A000-memory.dmp

      Filesize

      104KB

    • memory/4692-58-0x00000000076F0000-0x00000000076F8000-memory.dmp

      Filesize

      32KB

    • memory/4692-61-0x0000000074DE0000-0x0000000075590000-memory.dmp

      Filesize

      7.7MB

    • memory/4692-18-0x00000000052D0000-0x00000000058F8000-memory.dmp

      Filesize

      6.2MB

    • memory/4692-15-0x0000000002790000-0x00000000027C6000-memory.dmp

      Filesize

      216KB