Analysis

  • max time kernel
    69s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-10-2022 14:46

General

  • Target

    236daffc4bce70d757d2a68a4ddacf53.exe

  • Size

    962KB

  • MD5

    236daffc4bce70d757d2a68a4ddacf53

  • SHA1

    949fb107c4feaf925353dcd902bdaf7ebae119df

  • SHA256

    33c28b40c95c361280a9d48cd70094232647e960974f193278c6ba03f1c0eb19

  • SHA512

    1e265424f6c2da64393a08906d99c270ab99725719c6652c6ed1b9c8e1b04a52450127230bb1b01b57c8022a26268cc85078036bae9950989a98bb8404f21a2b

  • SSDEEP

    12288:K01fxzkJ2u4K+opdiCSxxB5cXCdpUM5+NVnmCisKKu5iveLH5:ndh0MCSHrICdpUM5qVmCisKKu5iveLZ

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\236daffc4bce70d757d2a68a4ddacf53.exe
    "C:\Users\Admin\AppData\Local\Temp\236daffc4bce70d757d2a68a4ddacf53.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3356
    • C:\Users\Admin\AppData\Local\Temp\236daffc4bce70d757d2a68a4ddacf53.exe
      "C:\Users\Admin\AppData\Local\Temp\236daffc4bce70d757d2a68a4ddacf53.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2328

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\236daffc4bce70d757d2a68a4ddacf53.exe.log

    Filesize

    1KB

    MD5

    e08f822522c617a40840c62e4b0fb45e

    SHA1

    ae516dca4da5234be6676d3f234c19ec55725be7

    SHA256

    bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

    SHA512

    894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

  • memory/2328-138-0x0000000000000000-mapping.dmp

  • memory/2328-139-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2328-141-0x00000000066A0000-0x00000000066F0000-memory.dmp

    Filesize

    320KB

  • memory/3356-132-0x0000000000350000-0x0000000000446000-memory.dmp

    Filesize

    984KB

  • memory/3356-133-0x0000000005410000-0x00000000059B4000-memory.dmp

    Filesize

    5.6MB

  • memory/3356-134-0x0000000004E60000-0x0000000004EF2000-memory.dmp

    Filesize

    584KB

  • memory/3356-135-0x0000000004E10000-0x0000000004E1A000-memory.dmp

    Filesize

    40KB

  • memory/3356-136-0x000000000A0F0000-0x000000000A18C000-memory.dmp

    Filesize

    624KB

  • memory/3356-137-0x000000000A290000-0x000000000A2F6000-memory.dmp

    Filesize

    408KB