Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/09/2022, 16:02

General

  • Target

    7a24179fedef541baee95623e1765754e1d47bb34ef0e4f441ae9aa23653aabf.exe

  • Size

    946KB

  • MD5

    67268a26c4496153566c1d17191dab98

  • SHA1

    48e4590b7d06aef8765df71328e6b1eca003a613

  • SHA256

    7a24179fedef541baee95623e1765754e1d47bb34ef0e4f441ae9aa23653aabf

  • SHA512

    acea769281fb9ab25801287b5e051980f59bd2dac6c4bdfbe71a233190c443807b9ecc6edbda7b589d1d48c298144ec068b9d043568649571f4051924e65ab92

  • SSDEEP

    12288:ph6f0hi7LXE1UWD7o9MXfwVGDIC/DWPwKJ0MLRQfA2D8rso:pLhscPEVGkiDM3J0ku4w84

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.valvulasthermovalve.cl
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    LILKOOLL14!!

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.valvulasthermovalve.cl/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    LILKOOLL14!!

Signatures

  • AgentTesla

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

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a24179fedef541baee95623e1765754e1d47bb34ef0e4f441ae9aa23653aabf.exe
    "C:\Users\Admin\AppData\Local\Temp\7a24179fedef541baee95623e1765754e1d47bb34ef0e4f441ae9aa23653aabf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2820
    • C:\Users\Admin\AppData\Local\Temp\7a24179fedef541baee95623e1765754e1d47bb34ef0e4f441ae9aa23653aabf.exe
      "C:\Users\Admin\AppData\Local\Temp\7a24179fedef541baee95623e1765754e1d47bb34ef0e4f441ae9aa23653aabf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:216

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\7a24179fedef541baee95623e1765754e1d47bb34ef0e4f441ae9aa23653aabf.exe.log

          Filesize

          1KB

          MD5

          e08f822522c617a40840c62e4b0fb45e

          SHA1

          ae516dca4da5234be6676d3f234c19ec55725be7

          SHA256

          bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

          SHA512

          894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

        • memory/216-139-0x0000000000400000-0x000000000043A000-memory.dmp

          Filesize

          232KB

        • memory/216-141-0x00000000065F0000-0x0000000006640000-memory.dmp

          Filesize

          320KB

        • memory/2820-132-0x00000000004D0000-0x00000000005C2000-memory.dmp

          Filesize

          968KB

        • memory/2820-133-0x0000000005420000-0x00000000059C4000-memory.dmp

          Filesize

          5.6MB

        • memory/2820-134-0x0000000004F60000-0x0000000004FF2000-memory.dmp

          Filesize

          584KB

        • memory/2820-135-0x0000000005110000-0x000000000511A000-memory.dmp

          Filesize

          40KB

        • memory/2820-136-0x0000000008920000-0x00000000089BC000-memory.dmp

          Filesize

          624KB

        • memory/2820-137-0x00000000089C0000-0x0000000008A26000-memory.dmp

          Filesize

          408KB