Analysis

  • max time kernel
    136s
  • max time network
    93s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    13-07-2020 06:28

General

  • Target

    REV- PI 1696195.exe

  • Size

    314KB

  • MD5

    9c07ba9ceaf6aed08e629b371a12bab0

  • SHA1

    41caa9c09ad1a264cfc153155366ec3e79bf7f49

  • SHA256

    7ec1cc4defdaf07771550b26856d416039f766284822bf91aa2c692df7b7204b

  • SHA512

    edb2e5b28a2c3fd8aa5e1857e1c6f7b5036a185b1648bbe8d4833041d53b63de5312849d8855ed10f2447a9a550fcf9536076169ce181ad23e30d92971a7cb47

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.usamilitarydept.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qqkgpIN2

Signatures

  • Suspicious use of WriteProcessMemory 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • AgentTesla

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\REV- PI 1696195.exe
    "C:\Users\Admin\AppData\Local\Temp\REV- PI 1696195.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetThreadContext
    PID:3888
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UJqfEOzcdlfXz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7E7D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2620
    • C:\Users\Admin\AppData\Local\Temp\REV- PI 1696195.exe
      "{path}"
      2⤵
        PID:3520
      • C:\Users\Admin\AppData\Local\Temp\REV- PI 1696195.exe
        "{path}"
        2⤵
          PID:3708
        • C:\Users\Admin\AppData\Local\Temp\REV- PI 1696195.exe
          "{path}"
          2⤵
            PID:3740
          • C:\Users\Admin\AppData\Local\Temp\REV- PI 1696195.exe
            "{path}"
            2⤵
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious behavior: EnumeratesProcesses
            PID:3796
        • C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
          C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
          1⤵
            PID:1220

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Execution

          Scheduled Task

          1
          T1053

          Persistence

          Scheduled Task

          1
          T1053

          Privilege Escalation

          Scheduled Task

          1
          T1053

          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_v2.0_32\UsageLogs\REV- PI 1696195.exe.log
          • C:\Users\Admin\AppData\Local\Temp\tmp7E7D.tmp
          • memory/2620-0-0x0000000000000000-mapping.dmp
          • memory/3796-2-0x0000000000400000-0x000000000044C000-memory.dmp
            Filesize

            304KB

          • memory/3796-3-0x00000000004471FE-mapping.dmp