Analysis

  • max time kernel
    92s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-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 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Program crash 4 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d7b89b7d47ebb2fbb7b5389305ce8b8.exe
    "C:\Users\Admin\AppData\Local\Temp\8d7b89b7d47ebb2fbb7b5389305ce8b8.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:4580
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 324
      2⤵
      • Program crash
      PID:2424
    • 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:2080
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 324
        3⤵
        • Program crash
        PID:3944
      • C:\program files\internet explorer\IEXPLORE.EXE
        "C:\program files\internet explorer\IEXPLORE.EXE"
        3⤵
          PID:1356
        • C:\Windows\SysWOW64\calc.exe
          "C:\Windows\system32\calc.exe"
          3⤵
            PID:2072
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 12
              4⤵
              • Program crash
              PID:4964
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 688
            3⤵
            • Program crash
            PID:1016
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Program Files\Common Files\Microsoft Shared\MSINFO\Delet.bat""
          2⤵
            PID:4084
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4580 -ip 4580
          1⤵
            PID:2292
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2080 -ip 2080
            1⤵
              PID:2860
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2072 -ip 2072
              1⤵
                PID:956
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2080 -ip 2080
                1⤵
                  PID:3268

                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

                      • C:\Program Files\Common Files\microsoft shared\MSInfo\rejoice813.exe

                        Filesize

                        697KB

                        MD5

                        8d7b89b7d47ebb2fbb7b5389305ce8b8

                        SHA1

                        2f92d8cdacfbc5203f9dff10d9354f45ab5bf22e

                        SHA256

                        6cc38a350d313916a19f09b2163dbae59fcbc58ad50b534fd9809c69e400f5e3

                        SHA512

                        13655c623db30b7cde28ab81a5ed75821667344f96818931a9a40699a51b697a68261ebc66dc10f640cc7d27181687759246a70c09e2183db521c203640abf77

                      • memory/2072-25-0x0000000000400000-0x0000000000572000-memory.dmp

                        Filesize

                        1.4MB

                      • memory/2080-35-0x00000000008A0000-0x00000000008F4000-memory.dmp

                        Filesize

                        336KB

                      • memory/2080-34-0x0000000000400000-0x0000000000572000-memory.dmp

                        Filesize

                        1.4MB

                      • memory/2080-27-0x0000000003500000-0x0000000003501000-memory.dmp

                        Filesize

                        4KB

                      • memory/2080-22-0x00000000008A0000-0x00000000008F4000-memory.dmp

                        Filesize

                        336KB

                      • memory/2080-21-0x0000000000400000-0x0000000000572000-memory.dmp

                        Filesize

                        1.4MB

                      • memory/4580-6-0x0000000002540000-0x0000000002541000-memory.dmp

                        Filesize

                        4KB

                      • memory/4580-7-0x00000000025C0000-0x00000000025C1000-memory.dmp

                        Filesize

                        4KB

                      • memory/4580-11-0x0000000003540000-0x0000000003541000-memory.dmp

                        Filesize

                        4KB

                      • memory/4580-12-0x0000000003530000-0x0000000003531000-memory.dmp

                        Filesize

                        4KB

                      • memory/4580-13-0x0000000002530000-0x0000000002531000-memory.dmp

                        Filesize

                        4KB

                      • memory/4580-14-0x00000000025F0000-0x00000000025F1000-memory.dmp

                        Filesize

                        4KB

                      • memory/4580-17-0x0000000003640000-0x0000000003641000-memory.dmp

                        Filesize

                        4KB

                      • memory/4580-9-0x00000000025E0000-0x00000000025E1000-memory.dmp

                        Filesize

                        4KB

                      • memory/4580-8-0x00000000025B0000-0x00000000025B1000-memory.dmp

                        Filesize

                        4KB

                      • memory/4580-10-0x0000000002570000-0x0000000002571000-memory.dmp

                        Filesize

                        4KB

                      • memory/4580-0-0x0000000000400000-0x0000000000572000-memory.dmp

                        Filesize

                        1.4MB

                      • memory/4580-5-0x0000000002550000-0x0000000002551000-memory.dmp

                        Filesize

                        4KB

                      • memory/4580-31-0x0000000000B90000-0x0000000000BE4000-memory.dmp

                        Filesize

                        336KB

                      • memory/4580-30-0x0000000000400000-0x0000000000572000-memory.dmp

                        Filesize

                        1.4MB

                      • memory/4580-4-0x00000000025D0000-0x00000000025D1000-memory.dmp

                        Filesize

                        4KB

                      • memory/4580-3-0x0000000002580000-0x0000000002581000-memory.dmp

                        Filesize

                        4KB

                      • memory/4580-2-0x00000000025A0000-0x00000000025A1000-memory.dmp

                        Filesize

                        4KB

                      • memory/4580-1-0x0000000000B90000-0x0000000000BE4000-memory.dmp

                        Filesize

                        336KB