Analysis

  • max time kernel
    118s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 13:58

General

  • Target

    wvP.exe

  • Size

    722KB

  • MD5

    b33d730136cae062a912aebbdf3364d4

  • SHA1

    2aa45f4bff155e5f2b717c3108ed60eb4e82f7d8

  • SHA256

    83bd0492ad4599669d45f30993c0f6758940875008ee00a2b460f85566e1afee

  • SHA512

    8a5a0654b6afae7d791b4c4c1236b28925a7e0d25d04e9b82f26c73e95a6abd7173067a7f81167ec6107ed9b3dcbb2004b2feab4c77d2c4f9c9ba17893554924

  • SSDEEP

    12288:MWYIPXjxannnHg2tJVf4E/c3xVnBv66wHVKk8zbHPdeXfiD/KzKkjbD5T:MWYIPFannnHg2dQ8cx6LKkkbvdeQK+K

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5419172676:AAGNCqb7KIw9SSEGRFeD_N3VWL9qYPGdqaw/

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 2 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 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 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\wvP.exe
    "C:\Users\Admin\AppData\Local\Temp\wvP.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:5076
    • 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\wvP.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4992
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vfkShVG.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4784
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vfkShVG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBD45.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1620
    • C:\Users\Admin\AppData\Local\Temp\wvP.exe
      "C:\Users\Admin\AppData\Local\Temp\wvP.exe"
      2⤵
        PID:2640
      • C:\Users\Admin\AppData\Local\Temp\wvP.exe
        "C:\Users\Admin\AppData\Local\Temp\wvP.exe"
        2⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4944

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      2KB

      MD5

      3d086a433708053f9bf9523e1d87a4e8

      SHA1

      b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

      SHA256

      6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

      SHA512

      931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      04e283b65d5b592b022206a80508af4e

      SHA1

      9f1f178accb9be7ae2ebea7e28895bcdefe47274

      SHA256

      1b84589ca7e19c72cf598d10ab867ba8b3583524291376fd182cec06f1c87268

      SHA512

      06d5340bccc2e600625e4cd490ad908eec0f14478f8a6030935ca5a29b2c8200eb390138843a9fe21f4e51f5a8d01fd96ccaf824236c32ea117cf4ecc3c77abc

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_255jeqis.3nr.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

      Filesize

      722KB

      MD5

      b33d730136cae062a912aebbdf3364d4

      SHA1

      2aa45f4bff155e5f2b717c3108ed60eb4e82f7d8

      SHA256

      83bd0492ad4599669d45f30993c0f6758940875008ee00a2b460f85566e1afee

      SHA512

      8a5a0654b6afae7d791b4c4c1236b28925a7e0d25d04e9b82f26c73e95a6abd7173067a7f81167ec6107ed9b3dcbb2004b2feab4c77d2c4f9c9ba17893554924

    • C:\Users\Admin\AppData\Local\Temp\tmpBD45.tmp

      Filesize

      1KB

      MD5

      659287b6698587c76c96e73139d77ace

      SHA1

      954ae21a3558bf0df961e29546f806190153c531

      SHA256

      4bcf61e6e010b34a6bb7b61c522643ffe2597002b730ca41f959df9604bd42e4

      SHA512

      f334c147e1a22df80f33037e04edb992dd43169a3ca2ba71bd026367060e5ae958d87af2bf204b3c21c25aa934e244aa92397b7a79319717e039a09b29e93ba6

    • memory/4784-89-0x0000000075170000-0x0000000075920000-memory.dmp

      Filesize

      7.7MB

    • memory/4784-68-0x000000006FAE0000-0x000000006FB2C000-memory.dmp

      Filesize

      304KB

    • memory/4784-46-0x0000000075170000-0x0000000075920000-memory.dmp

      Filesize

      7.7MB

    • memory/4784-45-0x0000000075170000-0x0000000075920000-memory.dmp

      Filesize

      7.7MB

    • memory/4784-34-0x0000000075170000-0x0000000075920000-memory.dmp

      Filesize

      7.7MB

    • memory/4944-93-0x0000000006B50000-0x0000000006BA0000-memory.dmp

      Filesize

      320KB

    • memory/4944-47-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/4992-17-0x0000000075170000-0x0000000075920000-memory.dmp

      Filesize

      7.7MB

    • memory/4992-80-0x00000000070E0000-0x00000000070EE000-memory.dmp

      Filesize

      56KB

    • memory/4992-18-0x0000000004CE0000-0x0000000005308000-memory.dmp

      Filesize

      6.2MB

    • memory/4992-19-0x0000000075170000-0x0000000075920000-memory.dmp

      Filesize

      7.7MB

    • memory/4992-22-0x0000000005310000-0x0000000005376000-memory.dmp

      Filesize

      408KB

    • memory/4992-21-0x0000000004C70000-0x0000000004CD6000-memory.dmp

      Filesize

      408KB

    • memory/4992-23-0x0000000075170000-0x0000000075920000-memory.dmp

      Filesize

      7.7MB

    • memory/4992-20-0x0000000004BD0000-0x0000000004BF2000-memory.dmp

      Filesize

      136KB

    • memory/4992-24-0x0000000005540000-0x0000000005894000-memory.dmp

      Filesize

      3.3MB

    • memory/4992-16-0x00000000045C0000-0x00000000045F6000-memory.dmp

      Filesize

      216KB

    • memory/4992-90-0x0000000075170000-0x0000000075920000-memory.dmp

      Filesize

      7.7MB

    • memory/4992-83-0x00000000071D0000-0x00000000071D8000-memory.dmp

      Filesize

      32KB

    • memory/4992-82-0x00000000071F0000-0x000000000720A000-memory.dmp

      Filesize

      104KB

    • memory/4992-81-0x00000000070F0000-0x0000000007104000-memory.dmp

      Filesize

      80KB

    • memory/4992-79-0x00000000070B0000-0x00000000070C1000-memory.dmp

      Filesize

      68KB

    • memory/4992-48-0x0000000005B90000-0x0000000005BAE000-memory.dmp

      Filesize

      120KB

    • memory/4992-50-0x0000000006110000-0x000000000615C000-memory.dmp

      Filesize

      304KB

    • memory/4992-78-0x0000000007130000-0x00000000071C6000-memory.dmp

      Filesize

      600KB

    • memory/4992-53-0x000000006FAE0000-0x000000006FB2C000-memory.dmp

      Filesize

      304KB

    • memory/4992-63-0x00000000060D0000-0x00000000060EE000-memory.dmp

      Filesize

      120KB

    • memory/4992-64-0x0000000006BA0000-0x0000000006C43000-memory.dmp

      Filesize

      652KB

    • memory/4992-52-0x0000000006B60000-0x0000000006B92000-memory.dmp

      Filesize

      200KB

    • memory/4992-65-0x0000000007580000-0x0000000007BFA000-memory.dmp

      Filesize

      6.5MB

    • memory/4992-66-0x0000000006CA0000-0x0000000006CBA000-memory.dmp

      Filesize

      104KB

    • memory/4992-67-0x0000000006F30000-0x0000000006F3A000-memory.dmp

      Filesize

      40KB

    • memory/5076-10-0x0000000009810000-0x0000000009896000-memory.dmp

      Filesize

      536KB

    • memory/5076-51-0x0000000075170000-0x0000000075920000-memory.dmp

      Filesize

      7.7MB

    • memory/5076-7-0x000000007517E000-0x000000007517F000-memory.dmp

      Filesize

      4KB

    • memory/5076-0-0x000000007517E000-0x000000007517F000-memory.dmp

      Filesize

      4KB

    • memory/5076-8-0x0000000075170000-0x0000000075920000-memory.dmp

      Filesize

      7.7MB

    • memory/5076-9-0x0000000005ED0000-0x0000000005EE4000-memory.dmp

      Filesize

      80KB

    • memory/5076-6-0x0000000005EA0000-0x0000000005EC0000-memory.dmp

      Filesize

      128KB

    • memory/5076-5-0x0000000005900000-0x000000000590A000-memory.dmp

      Filesize

      40KB

    • memory/5076-11-0x000000000C940000-0x000000000C9DC000-memory.dmp

      Filesize

      624KB

    • memory/5076-4-0x0000000075170000-0x0000000075920000-memory.dmp

      Filesize

      7.7MB

    • memory/5076-3-0x0000000005930000-0x00000000059C2000-memory.dmp

      Filesize

      584KB

    • memory/5076-2-0x0000000005EE0000-0x0000000006484000-memory.dmp

      Filesize

      5.6MB

    • memory/5076-1-0x0000000000E50000-0x0000000000F08000-memory.dmp

      Filesize

      736KB