Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    06/06/2024, 01:12

General

  • Target

    CV Elena Alba Garcia.exe

  • Size

    635KB

  • MD5

    af4c4394fd76d48c76265fa7393dbaf1

  • SHA1

    d08fe29a6362e1416ea464766beb2e5120a8d347

  • SHA256

    4c677969cde4b12fede4247e99653415ccf938d98d4958d99af13193cefab844

  • SHA512

    fa0a58d48584e3547c643c5df0f2783ba73d584306630feb4a9abd32f583df48d25339ed964393e12c52717a33168c9e65ea6b58c6e6525d9ed216952a895738

  • SSDEEP

    12288:Ia9PJCwxBS/ktL8picnoYgwkSpX3MBdkFIyFLkEseB7U5UjJJ++BzqyJM:ICPJCwi/+L84tSpHMBqGydkEseB4eJ+I

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6398508790:AAFROO4FvHYek5_hchyogAsV7yTvxfINRRg/

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.

  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CV Elena Alba Garcia.exe
    "C:\Users\Admin\AppData\Local\Temp\CV Elena Alba Garcia.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Users\Admin\AppData\Local\Temp\CV Elena Alba Garcia.exe
      "C:\Users\Admin\AppData\Local\Temp\CV Elena Alba Garcia.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2660

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1620-18-0x00000000741F0000-0x00000000748DE000-memory.dmp

          Filesize

          6.9MB

        • memory/1620-1-0x0000000000BB0000-0x0000000000C56000-memory.dmp

          Filesize

          664KB

        • memory/1620-2-0x00000000741F0000-0x00000000748DE000-memory.dmp

          Filesize

          6.9MB

        • memory/1620-6-0x00000000050E0000-0x0000000005162000-memory.dmp

          Filesize

          520KB

        • memory/1620-5-0x00000000005D0000-0x00000000005E0000-memory.dmp

          Filesize

          64KB

        • memory/1620-4-0x00000000005C0000-0x00000000005CE000-memory.dmp

          Filesize

          56KB

        • memory/1620-3-0x0000000000480000-0x0000000000496000-memory.dmp

          Filesize

          88KB

        • memory/1620-0-0x00000000741FE000-0x00000000741FF000-memory.dmp

          Filesize

          4KB

        • memory/2660-15-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2660-20-0x00000000741F0000-0x00000000748DE000-memory.dmp

          Filesize

          6.9MB

        • memory/2660-19-0x00000000741F0000-0x00000000748DE000-memory.dmp

          Filesize

          6.9MB

        • memory/2660-13-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2660-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2660-10-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2660-9-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2660-7-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2660-8-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2660-17-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2660-21-0x00000000741F0000-0x00000000748DE000-memory.dmp

          Filesize

          6.9MB