Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17/10/2024, 01:07

General

  • Target

    61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe

  • Size

    813KB

  • MD5

    08939a7fe1905c0c6e321e4e2cd90cad

  • SHA1

    c463953c5f52e9bc0137513d69aa9294d84bde75

  • SHA256

    61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c

  • SHA512

    4cd3877461ae15143636fff08dc3dec2587451b45dc32857a5bc0dde53068f0b76158eb0e1519f401b93bd4e1c3e6c73144c83b9d59d406d8c0f011b4211e19e

  • SSDEEP

    12288:+WB3yuZG8+De1kIse8LRWjrZCollIoNE8kgZu3pvK541rR:+WB3yuZGVteKRyjl6ikyCpvy41rR

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.aminhacorretora.com.br
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    _yA=,M5*J?KH

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.aminhacorretora.com.br
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    _yA=,M5*J?KH

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe
    "C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2748

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2548-19-0x0000000074C90000-0x000000007537E000-memory.dmp

          Filesize

          6.9MB

        • memory/2548-1-0x00000000012C0000-0x0000000001392000-memory.dmp

          Filesize

          840KB

        • memory/2548-2-0x0000000004B60000-0x0000000004BFE000-memory.dmp

          Filesize

          632KB

        • memory/2548-3-0x0000000074C90000-0x000000007537E000-memory.dmp

          Filesize

          6.9MB

        • memory/2548-4-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

          Filesize

          4KB

        • memory/2548-5-0x0000000074C90000-0x000000007537E000-memory.dmp

          Filesize

          6.9MB

        • memory/2548-6-0x00000000008C0000-0x00000000008DA000-memory.dmp

          Filesize

          104KB

        • memory/2548-7-0x0000000000870000-0x0000000000876000-memory.dmp

          Filesize

          24KB

        • memory/2548-8-0x0000000074C90000-0x000000007537E000-memory.dmp

          Filesize

          6.9MB

        • memory/2548-26-0x0000000074C90000-0x000000007537E000-memory.dmp

          Filesize

          6.9MB

        • memory/2548-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

          Filesize

          4KB

        • memory/2748-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2748-13-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2748-11-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2748-15-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2748-20-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2748-24-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2748-22-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2748-9-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2748-25-0x0000000074C90000-0x000000007537E000-memory.dmp

          Filesize

          6.9MB

        • memory/2748-27-0x0000000074C90000-0x000000007537E000-memory.dmp

          Filesize

          6.9MB

        • memory/2748-34-0x0000000074C90000-0x000000007537E000-memory.dmp

          Filesize

          6.9MB