Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-03-2024 01:23

General

  • Target

    73629041ba21eac0612891fa373454497871b1dddf5bf0c6f1600a09e406674f.exe

  • Size

    4.3MB

  • MD5

    609ca9e45fae3c8ec391bc6f29d816c0

  • SHA1

    7ca79f97289527a7ceac7187d76f15b58b2bcc97

  • SHA256

    73629041ba21eac0612891fa373454497871b1dddf5bf0c6f1600a09e406674f

  • SHA512

    d74b0fbd7af81e052a0b9ca68776e85b95522e18618ef53ba326bdad90d82043bfc566a547526c0f771ecb50f36ac41c4ea7a581196578e37887921bad951a6f

  • SSDEEP

    49152:dKFvwrMy8gTdybhb8jwyX88OaU9LsI67gFQJqXTzs+q5X9dr8/:lvy1Q8aU9LxUBj4/

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6971578934:AAF5v308yK27D7O9hOaTd8yPwpZGC0RMoTA/

Signatures

  • AgentTesla

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

  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73629041ba21eac0612891fa373454497871b1dddf5bf0c6f1600a09e406674f.exe
    "C:\Users\Admin\AppData\Local\Temp\73629041ba21eac0612891fa373454497871b1dddf5bf0c6f1600a09e406674f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
      2⤵
        PID:2272
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2700

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2272-0-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2272-1-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2272-2-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2272-4-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2700-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/2700-13-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2700-15-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2700-17-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2700-18-0x0000000074050000-0x000000007473E000-memory.dmp
      Filesize

      6.9MB

    • memory/2700-19-0x0000000004BD0000-0x0000000004C10000-memory.dmp
      Filesize

      256KB

    • memory/2700-20-0x0000000074050000-0x000000007473E000-memory.dmp
      Filesize

      6.9MB