Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/05/2024, 03:54

General

  • Target

    a020a465557525b5d64fefc01a74348e5c8e5bbbbe2c01a8b99da32b1cd931d4.exe

  • Size

    696KB

  • MD5

    4f1e4c96e3a5555a2c22f145df3894e8

  • SHA1

    2936fd5ee84724b1e8956985c95b6b5b0cbfde68

  • SHA256

    a020a465557525b5d64fefc01a74348e5c8e5bbbbe2c01a8b99da32b1cd931d4

  • SHA512

    9dc8fdbdff6c9d7d9dd19aee84c72edc1f64449088cd217822b7a9b510f62f8e17d2aeca5a181799b75c4fb1131ead9f04a132daf0596c44fa5fc57c5e4ffd8a

  • SSDEEP

    12288:p5F6HkkoFlJTQVqywuLPpzYrsomb3QrUGMRm68sqGgNCp7G1PwQsbagVLu/:p+uJTQzwoxsxDU//xqGUCp7G1PhM

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sara.ind.br
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Ale-1988

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.

  • 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a020a465557525b5d64fefc01a74348e5c8e5bbbbe2c01a8b99da32b1cd931d4.exe
    "C:\Users\Admin\AppData\Local\Temp\a020a465557525b5d64fefc01a74348e5c8e5bbbbe2c01a8b99da32b1cd931d4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1556
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gvWSnShdaha.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3672
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gvWSnShdaha" /XML "C:\Users\Admin\AppData\Local\Temp\tmp74C2.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3364
    • C:\Users\Admin\AppData\Local\Temp\a020a465557525b5d64fefc01a74348e5c8e5bbbbe2c01a8b99da32b1cd931d4.exe
      "C:\Users\Admin\AppData\Local\Temp\a020a465557525b5d64fefc01a74348e5c8e5bbbbe2c01a8b99da32b1cd931d4.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4964

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_f0j0xtu3.tk5.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmp74C2.tmp

          Filesize

          1KB

          MD5

          c1160aaa7d459ceb22ab3c9b29788e5e

          SHA1

          6e102bb4c045f9b26ddb945ad8a81ff3b26e1c0c

          SHA256

          b0087ef5d2bb2a1a4334857198ff641d04c77939333cc6cccadcf149a8654978

          SHA512

          19eca472b8caf2508475448764b8f7741d6ebf0eeee3f8d00a1ab94b54958a6d91e19f42a2ad868ddef66682dd76acc09ce4f8ec9975d3b389c5fca24597d764

        • memory/1556-6-0x0000000006D80000-0x0000000006DA0000-memory.dmp

          Filesize

          128KB

        • memory/1556-3-0x0000000005340000-0x00000000053D2000-memory.dmp

          Filesize

          584KB

        • memory/1556-4-0x0000000074FF0000-0x00000000757A0000-memory.dmp

          Filesize

          7.7MB

        • memory/1556-5-0x0000000005310000-0x000000000531A000-memory.dmp

          Filesize

          40KB

        • memory/1556-23-0x0000000074FF0000-0x00000000757A0000-memory.dmp

          Filesize

          7.7MB

        • memory/1556-7-0x00000000065B0000-0x00000000065C0000-memory.dmp

          Filesize

          64KB

        • memory/1556-8-0x00000000065C0000-0x00000000065D6000-memory.dmp

          Filesize

          88KB

        • memory/1556-9-0x0000000006DB0000-0x0000000006E32000-memory.dmp

          Filesize

          520KB

        • memory/1556-10-0x00000000093E0000-0x000000000947C000-memory.dmp

          Filesize

          624KB

        • memory/1556-2-0x00000000058F0000-0x0000000005E94000-memory.dmp

          Filesize

          5.6MB

        • memory/1556-1-0x0000000000860000-0x0000000000912000-memory.dmp

          Filesize

          712KB

        • memory/1556-0-0x0000000074FFE000-0x0000000074FFF000-memory.dmp

          Filesize

          4KB

        • memory/3672-25-0x0000000004FD0000-0x0000000004FF2000-memory.dmp

          Filesize

          136KB

        • memory/3672-41-0x0000000006F50000-0x0000000006F82000-memory.dmp

          Filesize

          200KB

        • memory/3672-19-0x0000000074FF0000-0x00000000757A0000-memory.dmp

          Filesize

          7.7MB

        • memory/3672-22-0x0000000074FF0000-0x00000000757A0000-memory.dmp

          Filesize

          7.7MB

        • memory/3672-17-0x0000000074FF0000-0x00000000757A0000-memory.dmp

          Filesize

          7.7MB

        • memory/3672-66-0x0000000074FF0000-0x00000000757A0000-memory.dmp

          Filesize

          7.7MB

        • memory/3672-63-0x00000000075E0000-0x00000000075E8000-memory.dmp

          Filesize

          32KB

        • memory/3672-27-0x0000000005070000-0x00000000050D6000-memory.dmp

          Filesize

          408KB

        • memory/3672-18-0x00000000050F0000-0x0000000005718000-memory.dmp

          Filesize

          6.2MB

        • memory/3672-15-0x0000000002660000-0x0000000002696000-memory.dmp

          Filesize

          216KB

        • memory/3672-37-0x0000000005980000-0x0000000005CD4000-memory.dmp

          Filesize

          3.3MB

        • memory/3672-38-0x0000000005F80000-0x0000000005F9E000-memory.dmp

          Filesize

          120KB

        • memory/3672-62-0x0000000007600000-0x000000000761A000-memory.dmp

          Filesize

          104KB

        • memory/3672-40-0x00000000064E0000-0x000000000652C000-memory.dmp

          Filesize

          304KB

        • memory/3672-42-0x0000000070C70000-0x0000000070CBC000-memory.dmp

          Filesize

          304KB

        • memory/3672-61-0x0000000007500000-0x0000000007514000-memory.dmp

          Filesize

          80KB

        • memory/3672-53-0x0000000007190000-0x0000000007233000-memory.dmp

          Filesize

          652KB

        • memory/3672-52-0x0000000006570000-0x000000000658E000-memory.dmp

          Filesize

          120KB

        • memory/3672-54-0x0000000007900000-0x0000000007F7A000-memory.dmp

          Filesize

          6.5MB

        • memory/3672-55-0x00000000072C0000-0x00000000072DA000-memory.dmp

          Filesize

          104KB

        • memory/3672-60-0x00000000074F0000-0x00000000074FE000-memory.dmp

          Filesize

          56KB

        • memory/3672-56-0x0000000007330000-0x000000000733A000-memory.dmp

          Filesize

          40KB

        • memory/3672-58-0x0000000007540000-0x00000000075D6000-memory.dmp

          Filesize

          600KB

        • memory/3672-59-0x00000000074C0000-0x00000000074D1000-memory.dmp

          Filesize

          68KB

        • memory/4964-57-0x0000000006AE0000-0x0000000006B30000-memory.dmp

          Filesize

          320KB

        • memory/4964-20-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/4964-39-0x0000000074FF0000-0x00000000757A0000-memory.dmp

          Filesize

          7.7MB

        • memory/4964-26-0x0000000074FF0000-0x00000000757A0000-memory.dmp

          Filesize

          7.7MB

        • memory/4964-24-0x0000000005350000-0x00000000053B6000-memory.dmp

          Filesize

          408KB

        • memory/4964-67-0x0000000074FF0000-0x00000000757A0000-memory.dmp

          Filesize

          7.7MB