Analysis

  • max time kernel
    40s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14-09-2024 20:51

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.

  • 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 14 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\wvP.exe
    "C:\Users\Admin\AppData\Local\Temp\wvP.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2936
    • 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:2644
    • 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:2652
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vfkShVG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE485.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2704
    • 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:1696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • 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\tmpE485.tmp

    Filesize

    1KB

    MD5

    69a334a8abd2bf8926192426978db1b6

    SHA1

    37f44ef01715c245c52f7a5a544d341a617f7b9d

    SHA256

    63046f57344fe3a65f257dbacd63078db69bc5a1a3ff1ef52ff7115fb0394712

    SHA512

    c7fc82618f75cd97691c9990af6b4eb0fb5cb8d0d8c8429d5f69a341f7d3d9bdd52a4ed883fe0ed60e19e4a5e5efb585b1bca77cacbdd7809b929901829ee47d

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

    Filesize

    7KB

    MD5

    c09dd41153c63549c5d35e71539b7000

    SHA1

    6fd09545ec5a18054b1d83f790e4105e615c26ec

    SHA256

    e07f34d9df4fe6b560efce755d1a887bc46acaf887a01ffa39d9bec4cffb4810

    SHA512

    7969ccdde1fc1e8d1fb278c5e5b3fe858c36be4df48af1608da4946600757bf23a2cffa9488a43c121e21d5c9755b5b8e1727146df2032d944db6c1c1cfc8756

  • memory/1696-26-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1696-24-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1696-22-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1696-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1696-29-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1696-30-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1696-31-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1696-21-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2936-2-0x0000000074400000-0x0000000074AEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2936-3-0x00000000002B0000-0x00000000002D0000-memory.dmp

    Filesize

    128KB

  • memory/2936-7-0x00000000052C0000-0x0000000005346000-memory.dmp

    Filesize

    536KB

  • memory/2936-6-0x00000000003F0000-0x0000000000404000-memory.dmp

    Filesize

    80KB

  • memory/2936-0-0x000000007440E000-0x000000007440F000-memory.dmp

    Filesize

    4KB

  • memory/2936-4-0x000000007440E000-0x000000007440F000-memory.dmp

    Filesize

    4KB

  • memory/2936-5-0x0000000074400000-0x0000000074AEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2936-32-0x0000000074400000-0x0000000074AEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2936-1-0x00000000011A0000-0x0000000001258000-memory.dmp

    Filesize

    736KB