Analysis

  • max time kernel
    141s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    03/02/2024, 15:58

General

  • Target

    8cbdba902238db9a376fa17f3abd9746.exe

  • Size

    222KB

  • MD5

    8cbdba902238db9a376fa17f3abd9746

  • SHA1

    e5d9838a6646395558cb4f3f8dc036b90a678afd

  • SHA256

    ae752871d3a8aed991f07ba17a880aab46fb9d254cc7db35cd9c1a90cb86b41f

  • SHA512

    6dd9d92b09ffba92ea72713105c8e0822c006154b644668298c0872b22f6ced1725005e5e80ed3ba838f18400f1c0dfbb886e7f3235287cfecc3a1cdb3cd803a

  • SSDEEP

    6144:A9t6MP2LfyMLPxg0yHALfxFQ5zWIDJ+bEs3:2MM+Dy4S0yHALJFmGbEs3

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • UAC bypass 3 TTPs 1 IoCs
  • ModiLoader Second Stage 23 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 27 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • System policy modification 1 TTPs 1 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\8cbdba902238db9a376fa17f3abd9746.exe
    "C:\Users\Admin\AppData\Local\Temp\8cbdba902238db9a376fa17f3abd9746.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2448
    • C:\Users\Admin\AppData\Local\Temp\8cbdba902238db9a376fa17f3abd9746.exe
      C:\Users\Admin\AppData\Local\Temp\8cbdba902238db9a376fa17f3abd9746.exe
      2⤵
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3056
      • C:\Windows\mstwain32.exe
        "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\8cbdba902238db9a376fa17f3abd9746.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:932
        • C:\Windows\mstwain32.exe
          C:\Windows\mstwain32.exe
          4⤵
          • UAC bypass
          • Executes dropped EXE
          • Adds Run key to start application
          • Checks whether UAC is enabled
          • Drops file in Windows directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • System policy modification
          PID:2748
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3052

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\mstwain32.exe

          Filesize

          222KB

          MD5

          8cbdba902238db9a376fa17f3abd9746

          SHA1

          e5d9838a6646395558cb4f3f8dc036b90a678afd

          SHA256

          ae752871d3a8aed991f07ba17a880aab46fb9d254cc7db35cd9c1a90cb86b41f

          SHA512

          6dd9d92b09ffba92ea72713105c8e0822c006154b644668298c0872b22f6ced1725005e5e80ed3ba838f18400f1c0dfbb886e7f3235287cfecc3a1cdb3cd803a

        • memory/932-58-0x0000000000400000-0x00000000004606AC-memory.dmp

          Filesize

          385KB

        • memory/932-43-0x0000000000400000-0x00000000004606AC-memory.dmp

          Filesize

          385KB

        • memory/932-42-0x0000000000400000-0x00000000004606AC-memory.dmp

          Filesize

          385KB

        • memory/932-40-0x0000000000400000-0x00000000004606AC-memory.dmp

          Filesize

          385KB

        • memory/932-37-0x0000000000400000-0x00000000004606AC-memory.dmp

          Filesize

          385KB

        • memory/2448-4-0x0000000000400000-0x00000000004606AC-memory.dmp

          Filesize

          385KB

        • memory/2448-0-0x0000000000400000-0x00000000004606AC-memory.dmp

          Filesize

          385KB

        • memory/2448-8-0x0000000000470000-0x00000000004D1000-memory.dmp

          Filesize

          388KB

        • memory/2448-7-0x0000000000400000-0x00000000004606AC-memory.dmp

          Filesize

          385KB

        • memory/2448-1-0x0000000000400000-0x00000000004606AC-memory.dmp

          Filesize

          385KB

        • memory/2448-2-0x0000000000400000-0x00000000004606AC-memory.dmp

          Filesize

          385KB

        • memory/2448-19-0x0000000000400000-0x00000000004606AC-memory.dmp

          Filesize

          385KB

        • memory/2448-3-0x0000000000400000-0x00000000004606AC-memory.dmp

          Filesize

          385KB

        • memory/2748-75-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2748-78-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2748-88-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2748-87-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2748-86-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2748-85-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2748-84-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2748-83-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2748-82-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2748-81-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2748-79-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2748-77-0x0000000074CA0000-0x0000000074D90000-memory.dmp

          Filesize

          960KB

        • memory/2748-76-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2748-74-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2748-59-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2748-62-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2748-61-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2748-63-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2748-67-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2748-68-0x00000000003E0000-0x00000000003EE000-memory.dmp

          Filesize

          56KB

        • memory/2748-70-0x0000000074CA0000-0x0000000074D90000-memory.dmp

          Filesize

          960KB

        • memory/2748-71-0x00000000747B0000-0x00000000747C4000-memory.dmp

          Filesize

          80KB

        • memory/2748-72-0x00000000003D0000-0x00000000003D1000-memory.dmp

          Filesize

          4KB

        • memory/2748-73-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/3056-20-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/3056-27-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/3056-13-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/3056-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/3056-23-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/3056-17-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/3056-41-0x0000000002990000-0x000000000299D000-memory.dmp

          Filesize

          52KB

        • memory/3056-11-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/3056-9-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/3056-38-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/3056-34-0x0000000002C20000-0x0000000002C81000-memory.dmp

          Filesize

          388KB

        • memory/3056-28-0x0000000002990000-0x00000000029A0000-memory.dmp

          Filesize

          64KB

        • memory/3056-22-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/3056-21-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB