Analysis

  • max time kernel
    124s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    04-05-2021 15:26

General

  • Target

    New Order Request_0232147.exe

  • Size

    1021KB

  • MD5

    5133cbc9db4989d6fbb350e0829911c8

  • SHA1

    72052feec6f9f94fe0831a77bdf8c3493d268e37

  • SHA256

    fbdc2f9c6e970ae88ff30847c4d63472a0f0aa9b8e008e5b5c37f62ac526a963

  • SHA512

    8f13f01160e182cb9169ebaffc97e48f1f84661c613370cf9c9c77dc39b4e8c1686a74cd4e438530e27970a0fe9c0465043434aad000f66b4469f9009c0807e1

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.iruberritechnologies.com
  • Port:
    587
  • Username:
    calidad1@iruberritechnologies.com
  • Password:
    Vpx7s4QHfJx7

Signatures

  • AgentTesla

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

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • AgentTesla Payload 3 IoCs
  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Order Request_0232147.exe
    "C:\Users\Admin\AppData\Local\Temp\New Order Request_0232147.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3188
    • C:\Users\Admin\AppData\Local\Temp\New Order Request_0232147.exe
      "{path}"
      2⤵
        PID:3496
      • C:\Users\Admin\AppData\Local\Temp\New Order Request_0232147.exe
        "{path}"
        2⤵
          PID:3492
        • C:\Users\Admin\AppData\Local\Temp\New Order Request_0232147.exe
          "{path}"
          2⤵
            PID:8
          • C:\Users\Admin\AppData\Local\Temp\New Order Request_0232147.exe
            "{path}"
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3972

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Credential Access

        Credentials in Files

        3
        T1081

        Collection

        Data from Local System

        3
        T1005

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\New Order Request_0232147.exe.log
          MD5

          0c2899d7c6746f42d5bbe088c777f94c

          SHA1

          622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

          SHA256

          5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

          SHA512

          ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

        • memory/3188-121-0x0000000005420000-0x000000000542E000-memory.dmp
          Filesize

          56KB

        • memory/3188-123-0x000000000ADF0000-0x000000000AE50000-memory.dmp
          Filesize

          384KB

        • memory/3188-118-0x0000000004E60000-0x0000000004E61000-memory.dmp
          Filesize

          4KB

        • memory/3188-119-0x0000000004F70000-0x000000000546E000-memory.dmp
          Filesize

          5.0MB

        • memory/3188-120-0x0000000006A10000-0x0000000006A11000-memory.dmp
          Filesize

          4KB

        • memory/3188-114-0x0000000000510000-0x0000000000511000-memory.dmp
          Filesize

          4KB

        • memory/3188-122-0x0000000008650000-0x00000000086F1000-memory.dmp
          Filesize

          644KB

        • memory/3188-117-0x0000000004EA0000-0x0000000004EA1000-memory.dmp
          Filesize

          4KB

        • memory/3188-116-0x0000000005470000-0x0000000005471000-memory.dmp
          Filesize

          4KB

        • memory/3972-125-0x000000000043764E-mapping.dmp
        • memory/3972-124-0x0000000000400000-0x000000000043C000-memory.dmp
          Filesize

          240KB

        • memory/3972-131-0x0000000004DA0000-0x000000000529E000-memory.dmp
          Filesize

          5.0MB

        • memory/3972-132-0x0000000004F00000-0x0000000004F01000-memory.dmp
          Filesize

          4KB

        • memory/3972-133-0x0000000005A90000-0x0000000005A91000-memory.dmp
          Filesize

          4KB