Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-04-2024 01:13

General

  • Target

    19dc4b0340e432f9cb01a85ed46afe0555b4b58b420a8b1dddd7e71457f7bad4.exe

  • Size

    707KB

  • MD5

    8bdf469efd29dd6a9e72b34fabcfcc03

  • SHA1

    43380db028deebda025558fba5783d381fcf3b93

  • SHA256

    19dc4b0340e432f9cb01a85ed46afe0555b4b58b420a8b1dddd7e71457f7bad4

  • SHA512

    b8527d438bfb3621af3ca86b7f734cff53ce1d969d5e022553ee01ce6d34ed7dd428ac78a25661a8de997932ec0543fa200e07cce4ef613505d885a778a704f0

  • SSDEEP

    12288:Vlv312Z3qVrXhn0hlTdUXe4girNI7kY7m+nePpQiaRFWxB7uWVR+H7aWJZqE:VJ312ZWLJ0Oe4B27kV+exsPe7p+3

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7102823318:AAHAsxGnWgIMglBwmkDdZmvCKtYHywBY4Bc/

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • 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.

  • Adds Run key to start application 2 TTPs 1 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).

  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\19dc4b0340e432f9cb01a85ed46afe0555b4b58b420a8b1dddd7e71457f7bad4.exe
    "C:\Users\Admin\AppData\Local\Temp\19dc4b0340e432f9cb01a85ed46afe0555b4b58b420a8b1dddd7e71457f7bad4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2016
    • 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\19dc4b0340e432f9cb01a85ed46afe0555b4b58b420a8b1dddd7e71457f7bad4.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2104
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WDnziAQDqloNHh.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2660
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WDnziAQDqloNHh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp46E0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2816
    • C:\Users\Admin\AppData\Local\Temp\19dc4b0340e432f9cb01a85ed46afe0555b4b58b420a8b1dddd7e71457f7bad4.exe
      "C:\Users\Admin\AppData\Local\Temp\19dc4b0340e432f9cb01a85ed46afe0555b4b58b420a8b1dddd7e71457f7bad4.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2200

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\cashout\cashout.exe
    Filesize

    707KB

    MD5

    8bdf469efd29dd6a9e72b34fabcfcc03

    SHA1

    43380db028deebda025558fba5783d381fcf3b93

    SHA256

    19dc4b0340e432f9cb01a85ed46afe0555b4b58b420a8b1dddd7e71457f7bad4

    SHA512

    b8527d438bfb3621af3ca86b7f734cff53ce1d969d5e022553ee01ce6d34ed7dd428ac78a25661a8de997932ec0543fa200e07cce4ef613505d885a778a704f0

  • C:\Users\Admin\AppData\Local\Temp\tmp46E0.tmp
    Filesize

    1KB

    MD5

    bb345c0582298925c8eaa254477db3aa

    SHA1

    07f24d71d80a131a0b110001af4f6f70a7a0805a

    SHA256

    fac0d5a6cda62d26be868048ef0fc9b025e6200ad227bf287d1b445fb99406a2

    SHA512

    8221a436732cfdb9306ab8f989aafb41835c2bd00926434de22ff44133828dc7d0be7afcebc28fe7f2fcfd9be1d86a8ecf1943bb7efedb0fa0874c158f72ec10

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
    Filesize

    7KB

    MD5

    c2a811a3a19630708dafc71068cfe147

    SHA1

    0acf217dc15f6b80ca7eb1f6a8086f74c0273284

    SHA256

    db3221c1a54d6b5df8d8efbfb08949580048fbb2249ad759d1f4a8c5fa599575

    SHA512

    41d79eca06b94b7354abb1677ec5ebf84f19da2f9e51c4b67cf611de9d47b17b86b630967d3b0a54541d15be4a400152c647f386bb81f2c2870dba2f9c59e370

  • memory/2016-3-0x00000000005F0000-0x0000000000610000-memory.dmp
    Filesize

    128KB

  • memory/2016-4-0x0000000000610000-0x0000000000624000-memory.dmp
    Filesize

    80KB

  • memory/2016-5-0x0000000000440000-0x00000000004C8000-memory.dmp
    Filesize

    544KB

  • memory/2016-2-0x0000000004ED0000-0x0000000004F10000-memory.dmp
    Filesize

    256KB

  • memory/2016-1-0x0000000074800000-0x0000000074EEE000-memory.dmp
    Filesize

    6.9MB

  • memory/2016-0-0x00000000008A0000-0x0000000000956000-memory.dmp
    Filesize

    728KB

  • memory/2016-40-0x0000000074800000-0x0000000074EEE000-memory.dmp
    Filesize

    6.9MB

  • memory/2104-32-0x00000000029A0000-0x00000000029E0000-memory.dmp
    Filesize

    256KB

  • memory/2104-21-0x000000006F700000-0x000000006FCAB000-memory.dmp
    Filesize

    5.7MB

  • memory/2104-23-0x00000000029A0000-0x00000000029E0000-memory.dmp
    Filesize

    256KB

  • memory/2104-25-0x000000006F700000-0x000000006FCAB000-memory.dmp
    Filesize

    5.7MB

  • memory/2104-46-0x000000006F700000-0x000000006FCAB000-memory.dmp
    Filesize

    5.7MB

  • memory/2200-39-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2200-44-0x0000000000460000-0x00000000004A0000-memory.dmp
    Filesize

    256KB

  • memory/2200-50-0x0000000000460000-0x00000000004A0000-memory.dmp
    Filesize

    256KB

  • memory/2200-36-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2200-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2200-28-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2200-24-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2200-20-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2200-49-0x0000000073500000-0x0000000073BEE000-memory.dmp
    Filesize

    6.9MB

  • memory/2200-18-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2200-42-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2200-43-0x0000000073500000-0x0000000073BEE000-memory.dmp
    Filesize

    6.9MB

  • memory/2660-29-0x000000006F700000-0x000000006FCAB000-memory.dmp
    Filesize

    5.7MB

  • memory/2660-27-0x00000000027F0000-0x0000000002830000-memory.dmp
    Filesize

    256KB

  • memory/2660-45-0x000000006F700000-0x000000006FCAB000-memory.dmp
    Filesize

    5.7MB

  • memory/2660-34-0x00000000027F0000-0x0000000002830000-memory.dmp
    Filesize

    256KB

  • memory/2660-30-0x00000000027F0000-0x0000000002830000-memory.dmp
    Filesize

    256KB

  • memory/2660-37-0x000000006F700000-0x000000006FCAB000-memory.dmp
    Filesize

    5.7MB