Analysis

  • max time kernel
    143s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    03/02/2024, 22:12

General

  • Target

    8d7b89b7d47ebb2fbb7b5389305ce8b8.exe

  • Size

    697KB

  • MD5

    8d7b89b7d47ebb2fbb7b5389305ce8b8

  • SHA1

    2f92d8cdacfbc5203f9dff10d9354f45ab5bf22e

  • SHA256

    6cc38a350d313916a19f09b2163dbae59fcbc58ad50b534fd9809c69e400f5e3

  • SHA512

    13655c623db30b7cde28ab81a5ed75821667344f96818931a9a40699a51b697a68261ebc66dc10f640cc7d27181687759246a70c09e2183db521c203640abf77

  • SSDEEP

    12288:2r8X1ZJNDbQR958MuiadvwM+w4D4cLwy4xQzF3Z4mxxc2V/eU4BUNyM83t:2rO1LNAR95R4d4MxicsQmXc2I3UNW

Score
10/10

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • ModiLoader Second Stage 3 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d7b89b7d47ebb2fbb7b5389305ce8b8.exe
    "C:\Users\Admin\AppData\Local\Temp\8d7b89b7d47ebb2fbb7b5389305ce8b8.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2152
    • C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice813.exe
      "C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice813.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2004
      • C:\Windows\SysWOW64\calc.exe
        "C:\Windows\system32\calc.exe"
        3⤵
          PID:2884
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 320
          3⤵
          • Loads dropped DLL
          • Program crash
          PID:2944
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Program Files\Common Files\Microsoft Shared\MSINFO\Delet.bat""
        2⤵
        • Deletes itself
        PID:2860

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Program Files\Common Files\Microsoft Shared\MSInfo\Delet.bat

            Filesize

            184B

            MD5

            23e0114e054a29647a8cd87a0392ec84

            SHA1

            427082482ed3b88b8e0d4a61f93eb459419b4073

            SHA256

            549ba097d22fc041de2f767d7c802b528b349f1c0346a5c644349c0512a80dfa

            SHA512

            17146399f5a7ee5ce42a29840d35be61f7b78ec247e3848559a0908b9293da8006355df16740887c6bbbae4e58a6c6522a3336234748ab9e52eeb80cd7dabd02

          • \Program Files\Common Files\Microsoft Shared\MSInfo\rejoice813.exe

            Filesize

            697KB

            MD5

            8d7b89b7d47ebb2fbb7b5389305ce8b8

            SHA1

            2f92d8cdacfbc5203f9dff10d9354f45ab5bf22e

            SHA256

            6cc38a350d313916a19f09b2163dbae59fcbc58ad50b534fd9809c69e400f5e3

            SHA512

            13655c623db30b7cde28ab81a5ed75821667344f96818931a9a40699a51b697a68261ebc66dc10f640cc7d27181687759246a70c09e2183db521c203640abf77

          • memory/2004-27-0x00000000032A0000-0x00000000032A1000-memory.dmp

            Filesize

            4KB

          • memory/2004-50-0x00000000032A0000-0x00000000032A1000-memory.dmp

            Filesize

            4KB

          • memory/2004-48-0x0000000000300000-0x0000000000354000-memory.dmp

            Filesize

            336KB

          • memory/2004-44-0x0000000000400000-0x0000000000572000-memory.dmp

            Filesize

            1.4MB

          • memory/2004-22-0x0000000000400000-0x0000000000572000-memory.dmp

            Filesize

            1.4MB

          • memory/2004-29-0x00000000003C0000-0x00000000003C2000-memory.dmp

            Filesize

            8KB

          • memory/2004-30-0x00000000005F0000-0x00000000005F2000-memory.dmp

            Filesize

            8KB

          • memory/2004-34-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

            Filesize

            4KB

          • memory/2004-28-0x0000000003290000-0x0000000003291000-memory.dmp

            Filesize

            4KB

          • memory/2004-23-0x0000000000300000-0x0000000000354000-memory.dmp

            Filesize

            336KB

          • memory/2004-51-0x0000000003290000-0x0000000003291000-memory.dmp

            Filesize

            4KB

          • memory/2152-5-0x0000000001FB0000-0x0000000001FB1000-memory.dmp

            Filesize

            4KB

          • memory/2152-9-0x0000000002030000-0x0000000002031000-memory.dmp

            Filesize

            4KB

          • memory/2152-11-0x0000000002400000-0x0000000002401000-memory.dmp

            Filesize

            4KB

          • memory/2152-3-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

            Filesize

            4KB

          • memory/2152-60-0x0000000000400000-0x0000000000572000-memory.dmp

            Filesize

            1.4MB

          • memory/2152-1-0x0000000000320000-0x0000000000374000-memory.dmp

            Filesize

            336KB

          • memory/2152-4-0x0000000002020000-0x0000000002021000-memory.dmp

            Filesize

            4KB

          • memory/2152-0-0x0000000000400000-0x0000000000572000-memory.dmp

            Filesize

            1.4MB

          • memory/2152-2-0x0000000001FF0000-0x0000000001FF1000-memory.dmp

            Filesize

            4KB

          • memory/2152-6-0x0000000001FA0000-0x0000000001FA1000-memory.dmp

            Filesize

            4KB

          • memory/2152-7-0x0000000002010000-0x0000000002011000-memory.dmp

            Filesize

            4KB

          • memory/2152-10-0x0000000001FC0000-0x0000000001FC1000-memory.dmp

            Filesize

            4KB

          • memory/2152-42-0x0000000000400000-0x0000000000572000-memory.dmp

            Filesize

            1.4MB

          • memory/2152-8-0x0000000002000000-0x0000000002001000-memory.dmp

            Filesize

            4KB

          • memory/2152-45-0x0000000000320000-0x0000000000374000-memory.dmp

            Filesize

            336KB

          • memory/2152-47-0x0000000002400000-0x0000000002401000-memory.dmp

            Filesize

            4KB

          • memory/2152-21-0x0000000004030000-0x00000000041A2000-memory.dmp

            Filesize

            1.4MB

          • memory/2884-36-0x0000000000400000-0x0000000000572000-memory.dmp

            Filesize

            1.4MB

          • memory/2884-33-0x0000000000400000-0x0000000000572000-memory.dmp

            Filesize

            1.4MB

          • memory/2884-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB