Analysis

  • max time kernel
    129s
  • max time network
    84s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    11-07-2020 06:18

General

  • Target

    TT2 SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe

  • Size

    673KB

  • MD5

    e2d7faacc9a78b5fff288c58632c21f1

  • SHA1

    56f2bfaaa0eec6e13735b326db75d82b3dac091e

  • SHA256

    8acbf14306b787f2e29dd9e13e57da8cea6609a3ba9aa86e126243e690a4bf63

  • SHA512

    51d4a331d85ca92e39bf756b6cfc0f87b25295ef86644fa1c6456f096f108b0285e0016d4068040bfda28fabdb32eee2c883589a125240b774167a0381110d99

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.rebu.co.rw
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    o^Z0CIU?^yL2

Signatures

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

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Adds Run entry to start application 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • AgentTesla

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

  • Suspicious use of WriteProcessMemory 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

Processes

  • C:\Users\Admin\AppData\Local\Temp\TT2 SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe
    "C:\Users\Admin\AppData\Local\Temp\TT2 SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetThreadContext
    PID:1616
    • C:\Users\Admin\AppData\Local\Temp\TT2 SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe
      "{path}"
      2⤵
        PID:2508
      • C:\Users\Admin\AppData\Local\Temp\TT2 SWIFT _679388 190617_2019-NLCIV000003576_ES146009_30309679.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Adds Run entry to start application
        • Suspicious use of WriteProcessMemory
        • Suspicious use of AdjustPrivilegeToken
        PID:2556
        • C:\Windows\SysWOW64\netsh.exe
          "netsh" wlan show profile
          3⤵
            PID:3936

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Modify Registry

      1
      T1112

      Credential Access

      Credentials in Files

      3
      T1081

      Collection

      Data from Local System

      3
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2556-0-0x0000000000400000-0x0000000000452000-memory.dmp
        Filesize

        328KB

      • memory/2556-1-0x000000000044CF0E-mapping.dmp
      • memory/3936-2-0x0000000000000000-mapping.dmp