Analysis

  • max time kernel
    144s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-05-2024 01:56

General

  • Target

    efd16c6f8fc22f43df89359117ff7ee0b82b82bce6d0849c1b1fd40bdf0a841f.exe

  • Size

    1.1MB

  • MD5

    3958dafe982242ba8f1f7e7e825ec4a2

  • SHA1

    39a4d7bae94362f847e27a74d6bdde9e67156151

  • SHA256

    efd16c6f8fc22f43df89359117ff7ee0b82b82bce6d0849c1b1fd40bdf0a841f

  • SHA512

    84dc7972a23def2db184688e22a7d2a32b0aa574b521e63d180485eac38d154ed67c745b15e55de01990b009248316e05a118ed7d67b84024d890bf0e2664458

  • SSDEEP

    24576:CA0ReRHP4+ngiPzZPQgBt9o/1bIhTmOLp:CUd+gBWbIhaO9

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.flowja.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    526242227

Signatures

  • Detect ZGRat V1 33 IoCs
  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Detect packed .NET executables. Mostly AgentTeslaV4. 33 IoCs
  • ModiLoader Second Stage 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Script User-Agent 2 IoCs

    Uses user-agent string associated with script host/environment.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\efd16c6f8fc22f43df89359117ff7ee0b82b82bce6d0849c1b1fd40bdf0a841f.exe
    "C:\Users\Admin\AppData\Local\Temp\efd16c6f8fc22f43df89359117ff7ee0b82b82bce6d0849c1b1fd40bdf0a841f.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2460
    • C:\Windows\SysWOW64\extrac32.exe
      C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\efd16c6f8fc22f43df89359117ff7ee0b82b82bce6d0849c1b1fd40bdf0a841f.exe C:\\Users\\Public\\Libraries\\Xhauzthq.PIF
      2⤵
        PID:208
      • C:\Users\Public\Libraries\qhtzuahX.pif
        C:\Users\Public\Libraries\qhtzuahX.pif
        2⤵
        • Executes dropped EXE
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:944

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Public\Libraries\qhtzuahX.pif

      Filesize

      66KB

      MD5

      c116d3604ceafe7057d77ff27552c215

      SHA1

      452b14432fb5758b46f2897aeccd89f7c82a727d

      SHA256

      7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

      SHA512

      9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

    • memory/944-50-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-1071-0x0000000041C80000-0x0000000041CD0000-memory.dmp

      Filesize

      320KB

    • memory/944-9-0x0000000000400000-0x0000000001400000-memory.dmp

      Filesize

      16.0MB

    • memory/944-12-0x0000000000400000-0x0000000001400000-memory.dmp

      Filesize

      16.0MB

    • memory/944-14-0x0000000074DFE000-0x0000000074DFF000-memory.dmp

      Filesize

      4KB

    • memory/944-15-0x00000000403D0000-0x000000004042A000-memory.dmp

      Filesize

      360KB

    • memory/944-16-0x0000000074DF0000-0x00000000755A0000-memory.dmp

      Filesize

      7.7MB

    • memory/944-17-0x00000000405B0000-0x0000000040B54000-memory.dmp

      Filesize

      5.6MB

    • memory/944-18-0x0000000040430000-0x000000004048A000-memory.dmp

      Filesize

      360KB

    • memory/944-20-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-58-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-78-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-76-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-75-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-52-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-70-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-68-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-66-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-64-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-62-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-56-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-54-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-72-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-1082-0x0000000074DF0000-0x00000000755A0000-memory.dmp

      Filesize

      7.7MB

    • memory/944-30-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-46-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-44-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-42-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-40-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-38-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-34-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-32-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-48-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-28-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-26-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-60-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-22-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-36-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-24-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-19-0x0000000040430000-0x0000000040483000-memory.dmp

      Filesize

      332KB

    • memory/944-1069-0x0000000040B60000-0x0000000040BC6000-memory.dmp

      Filesize

      408KB

    • memory/944-1070-0x0000000074DF0000-0x00000000755A0000-memory.dmp

      Filesize

      7.7MB

    • memory/944-1081-0x0000000074DFE000-0x0000000074DFF000-memory.dmp

      Filesize

      4KB

    • memory/944-1072-0x0000000041CD0000-0x0000000041D6C000-memory.dmp

      Filesize

      624KB

    • memory/944-1078-0x0000000041EB0000-0x0000000041F42000-memory.dmp

      Filesize

      584KB

    • memory/944-1079-0x0000000042300000-0x000000004230A000-memory.dmp

      Filesize

      40KB

    • memory/2460-0-0x0000000002400000-0x0000000002401000-memory.dmp

      Filesize

      4KB

    • memory/2460-1-0x0000000000400000-0x0000000000517000-memory.dmp

      Filesize

      1.1MB