Analysis

  • max time kernel
    142s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-05-2024 02:07

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#.

  • 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 3 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:536
    • 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:2068
      • 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:732
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3988,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=4160 /prefetch:8
      1⤵
        PID:4616

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Defense Evasion

      Modify Registry

      2
      T1112

      Subvert Trust Controls

      1
      T1553

      Install Root Certificate

      1
      T1553.004

      Credential Access

      Unsecured Credentials

      4
      T1552

      Credentials In Files

      3
      T1552.001

      Credentials in Registry

      1
      T1552.002

      Collection

      Data from Local System

      4
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        66KB

        MD5

        c116d3604ceafe7057d77ff27552c215

        SHA1

        452b14432fb5758b46f2897aeccd89f7c82a727d

        SHA256

        7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

        SHA512

        9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

      • memory/536-0-0x0000000002300000-0x0000000002301000-memory.dmp
        Filesize

        4KB

      • memory/536-12-0x0000000000400000-0x0000000000517000-memory.dmp
        Filesize

        1.1MB

      • memory/732-11-0x0000000000400000-0x0000000001400000-memory.dmp
        Filesize

        16.0MB

      • memory/732-8-0x0000000000400000-0x0000000001400000-memory.dmp
        Filesize

        16.0MB

      • memory/732-13-0x0000000074F6E000-0x0000000074F6F000-memory.dmp
        Filesize

        4KB

      • memory/732-14-0x0000000049D60000-0x0000000049DBA000-memory.dmp
        Filesize

        360KB

      • memory/732-15-0x0000000074F60000-0x0000000075710000-memory.dmp
        Filesize

        7.7MB

      • memory/732-16-0x0000000074F60000-0x0000000075710000-memory.dmp
        Filesize

        7.7MB

      • memory/732-17-0x000000004C470000-0x000000004CA14000-memory.dmp
        Filesize

        5.6MB

      • memory/732-18-0x0000000049F80000-0x0000000049FDA000-memory.dmp
        Filesize

        360KB

      • memory/732-19-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-36-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-78-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-76-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-74-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-72-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-70-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-68-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-67-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-64-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-62-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-60-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-58-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-56-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-54-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-52-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-48-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-46-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-44-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-42-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-40-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-38-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-34-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-32-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-30-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-28-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-26-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-24-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-22-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-20-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-50-0x0000000049F80000-0x0000000049FD3000-memory.dmp
        Filesize

        332KB

      • memory/732-1069-0x000000004CA20000-0x000000004CA86000-memory.dmp
        Filesize

        408KB

      • memory/732-1070-0x0000000074F60000-0x0000000075710000-memory.dmp
        Filesize

        7.7MB

      • memory/732-1071-0x000000004DB40000-0x000000004DB90000-memory.dmp
        Filesize

        320KB

      • memory/732-1072-0x000000004DB90000-0x000000004DC2C000-memory.dmp
        Filesize

        624KB

      • memory/732-1076-0x000000004DD70000-0x000000004DE02000-memory.dmp
        Filesize

        584KB

      • memory/732-1077-0x000000004E1C0000-0x000000004E1CA000-memory.dmp
        Filesize

        40KB

      • memory/732-1078-0x0000000074F6E000-0x0000000074F6F000-memory.dmp
        Filesize

        4KB

      • memory/732-1079-0x0000000074F60000-0x0000000075710000-memory.dmp
        Filesize

        7.7MB