Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-03-2024 01:57

General

  • Target

    d11ccc73abf2ec6aba5040c45e89eabe23a9a364af505abaacd19294148b7ff3.exe

  • Size

    695KB

  • MD5

    e54da1c81190dbd14fc3aa6aed4e75cb

  • SHA1

    80b36bcb9578acdb2f202d1f2505812180439353

  • SHA256

    d11ccc73abf2ec6aba5040c45e89eabe23a9a364af505abaacd19294148b7ff3

  • SHA512

    81a940b75a25b494617fc128f20677300aed321b2cb2ccebde9694d718b76843746947ea8387bfc6ec4773ada88b91d87275368a8cdc49070c0d44e1c7bdffd8

  • SSDEEP

    12288:o/U0YOwqOpjIxZhGQ0fwwFTDu8DXeBplNzQZacIafQzmHfhz+ccDSItmIYIo6Ejn:ZO7nw3FTfDuBdQtfOaMPDSItmyo6Ejn

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sencan.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sencan3458!!

Extracted

Family

agenttesla

Credentials

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 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d11ccc73abf2ec6aba5040c45e89eabe23a9a364af505abaacd19294148b7ff3.exe
    "C:\Users\Admin\AppData\Local\Temp\d11ccc73abf2ec6aba5040c45e89eabe23a9a364af505abaacd19294148b7ff3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4904
    • C:\Users\Admin\AppData\Local\Temp\d11ccc73abf2ec6aba5040c45e89eabe23a9a364af505abaacd19294148b7ff3.exe
      "C:\Users\Admin\AppData\Local\Temp\d11ccc73abf2ec6aba5040c45e89eabe23a9a364af505abaacd19294148b7ff3.exe"
      2⤵
        PID:4132
      • C:\Users\Admin\AppData\Local\Temp\d11ccc73abf2ec6aba5040c45e89eabe23a9a364af505abaacd19294148b7ff3.exe
        "C:\Users\Admin\AppData\Local\Temp\d11ccc73abf2ec6aba5040c45e89eabe23a9a364af505abaacd19294148b7ff3.exe"
        2⤵
          PID:1588
        • C:\Users\Admin\AppData\Local\Temp\d11ccc73abf2ec6aba5040c45e89eabe23a9a364af505abaacd19294148b7ff3.exe
          "C:\Users\Admin\AppData\Local\Temp\d11ccc73abf2ec6aba5040c45e89eabe23a9a364af505abaacd19294148b7ff3.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1716

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\d11ccc73abf2ec6aba5040c45e89eabe23a9a364af505abaacd19294148b7ff3.exe.log

        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • memory/1716-10-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1716-19-0x00000000053C0000-0x00000000053D0000-memory.dmp

        Filesize

        64KB

      • memory/1716-18-0x00000000752C0000-0x0000000075A70000-memory.dmp

        Filesize

        7.7MB

      • memory/1716-17-0x0000000006BD0000-0x0000000006C20000-memory.dmp

        Filesize

        320KB

      • memory/1716-16-0x0000000005510000-0x0000000005576000-memory.dmp

        Filesize

        408KB

      • memory/1716-15-0x00000000053C0000-0x00000000053D0000-memory.dmp

        Filesize

        64KB

      • memory/1716-14-0x00000000752C0000-0x0000000075A70000-memory.dmp

        Filesize

        7.7MB

      • memory/4904-8-0x0000000006B80000-0x0000000006C04000-memory.dmp

        Filesize

        528KB

      • memory/4904-9-0x00000000091E0000-0x000000000927C000-memory.dmp

        Filesize

        624KB

      • memory/4904-0-0x0000000000730000-0x00000000007E4000-memory.dmp

        Filesize

        720KB

      • memory/4904-7-0x00000000063E0000-0x00000000063EC000-memory.dmp

        Filesize

        48KB

      • memory/4904-13-0x00000000752C0000-0x0000000075A70000-memory.dmp

        Filesize

        7.7MB

      • memory/4904-6-0x0000000006B60000-0x0000000006B7A000-memory.dmp

        Filesize

        104KB

      • memory/4904-5-0x0000000005200000-0x000000000520A000-memory.dmp

        Filesize

        40KB

      • memory/4904-4-0x00000000051A0000-0x00000000051B0000-memory.dmp

        Filesize

        64KB

      • memory/4904-3-0x0000000005220000-0x00000000052B2000-memory.dmp

        Filesize

        584KB

      • memory/4904-2-0x0000000005730000-0x0000000005CD4000-memory.dmp

        Filesize

        5.6MB

      • memory/4904-1-0x00000000752C0000-0x0000000075A70000-memory.dmp

        Filesize

        7.7MB