Analysis

  • max time kernel
    354s
  • max time network
    357s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 00:38

General

  • Target

    Dextron Group PO.exe

  • Size

    1.4MB

  • MD5

    02534060c07286b6c06db8b181509fb9

  • SHA1

    eed82ba0c6cc7cc4d7c8a61844e0e84d440ebe03

  • SHA256

    012e5ef35e2f13676d6141ea12f8ad4659d8fbdea99c244c995d46e78e5b2d17

  • SHA512

    1ebea9a686adb6835c8778fd8a477c2ede69830ff24c5f8cb5d803ea7ed65174624afafb0a7e0b66c9d6ec0a0c4605d2ff17de565822ab4bc8e513d0cc878844

  • SSDEEP

    24576:yn25nPkW3amy8sQxeWcktTjbJ42auDyEEEEEEEEEEEEEEEEEEEETKKKKKKKKKKKr:yn2kGy7wTjbX/DyEEEEEEEEEEEEEEEEm

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • 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
  • Suspicious use of SetThreadContext 1 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 WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Dextron Group PO.exe
    "C:\Users\Admin\AppData\Local\Temp\Dextron Group PO.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4212
    • C:\Windows\SysWOW64\extrac32.exe
      C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\Dextron Group PO.exe C:\\Users\\Public\\Libraries\\Tdrdpepi.PIF
      2⤵
        PID:1248
      • C:\Users\Public\Libraries\ipepdrdT.pif
        C:\Users\Public\Libraries\ipepdrdT.pif
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:812

    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

    1
    T1112

    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\ipepdrdT.pif
      Filesize

      66KB

      MD5

      c116d3604ceafe7057d77ff27552c215

      SHA1

      452b14432fb5758b46f2897aeccd89f7c82a727d

      SHA256

      7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

      SHA512

      9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

    • memory/812-5-0x0000000000400000-0x0000000001400000-memory.dmp
      Filesize

      16.0MB

    • memory/812-9-0x0000000000400000-0x0000000001400000-memory.dmp
      Filesize

      16.0MB

    • memory/812-11-0x00000000748DE000-0x00000000748DF000-memory.dmp
      Filesize

      4KB

    • memory/812-12-0x0000000034450000-0x00000000344AE000-memory.dmp
      Filesize

      376KB

    • memory/812-13-0x00000000748D0000-0x0000000075080000-memory.dmp
      Filesize

      7.7MB

    • memory/812-14-0x0000000034550000-0x0000000034AF4000-memory.dmp
      Filesize

      5.6MB

    • memory/812-15-0x0000000034B00000-0x0000000034B5C000-memory.dmp
      Filesize

      368KB

    • memory/812-16-0x00000000748D0000-0x0000000075080000-memory.dmp
      Filesize

      7.7MB

    • memory/812-56-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-64-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-76-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-74-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-70-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-68-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-62-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-60-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-59-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-54-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-52-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-50-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-46-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-44-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-42-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-40-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-38-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-36-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-34-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-32-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-30-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-72-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-28-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-1156-0x00000000748D0000-0x0000000075080000-memory.dmp
      Filesize

      7.7MB

    • memory/812-1155-0x0000000034C80000-0x0000000034CE6000-memory.dmp
      Filesize

      408KB

    • memory/812-66-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-26-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-24-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-48-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-22-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-20-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-18-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-17-0x0000000034B00000-0x0000000034B56000-memory.dmp
      Filesize

      344KB

    • memory/812-1157-0x0000000035550000-0x00000000355A0000-memory.dmp
      Filesize

      320KB

    • memory/812-1158-0x00000000355A0000-0x000000003563C000-memory.dmp
      Filesize

      624KB

    • memory/812-1159-0x0000000035EF0000-0x0000000035F82000-memory.dmp
      Filesize

      584KB

    • memory/812-1160-0x0000000036100000-0x000000003610A000-memory.dmp
      Filesize

      40KB

    • memory/812-1162-0x00000000748DE000-0x00000000748DF000-memory.dmp
      Filesize

      4KB

    • memory/812-1163-0x00000000748D0000-0x0000000075080000-memory.dmp
      Filesize

      7.7MB

    • memory/4212-0-0x0000000000750000-0x0000000000751000-memory.dmp
      Filesize

      4KB

    • memory/4212-6-0x0000000000400000-0x0000000000578000-memory.dmp
      Filesize

      1.5MB