Analysis

  • max time kernel
    142s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    03/02/2024, 14:12

General

  • Target

    8c87b8613d433da6c8c69d7e5db0e1b9.exe

  • Size

    686KB

  • MD5

    8c87b8613d433da6c8c69d7e5db0e1b9

  • SHA1

    91b6ffeb1640c24858a6c984f11afd4aa2a34725

  • SHA256

    e98f80c2687495eb2d2e2098d92d5dcaf6d90212c14f9d2cc0d9f64c9cd4861d

  • SHA512

    7b6ecc92f3386e038868570b3017c62916d3b24b5447dbd22b7589a58414369550cda5fe5002d2af9422081418482e9f9e630dd11210841909d874b57cadbc6e

  • SSDEEP

    12288:/0F7HMH/IyifhQiTCwKEywv+Ic51O/woQoaf5vwq7/YrdCFzKQ:/FH/7iGwPydIc/OY55v6dfQ

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 5 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • 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 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe
    "C:\Users\Admin\AppData\Local\Temp\8c87b8613d433da6c8c69d7e5db0e1b9.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Program Files\Common Files\Microsoft Shared\MSINFO\system_32.exe
      "C:\Program Files\Common Files\Microsoft Shared\MSINFO\system_32.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1048
      • C:\Windows\SysWOW64\calc.exe
        "C:\Windows\system32\calc.exe"
        3⤵
          PID:2708
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 300
          3⤵
          • Loads dropped DLL
          • Program crash
          PID:2748
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Program Files\Common Files\Microsoft Shared\MSINFO\SetupDel.bat""
        2⤵
        • Deletes itself
        PID:2268

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            184B

            MD5

            8feab5be9206005614302013f3c0d0ce

            SHA1

            065000fac2570d00ccf048eebe0eb77a44c0fc98

            SHA256

            b3d5588d1dda66b0550878614958b4d1303c2c1a68a5eaed3e1ff28d45a3b623

            SHA512

            e3a7d83418f921ec21e3a7a004d9fa03629e29a9fbb54823d0b9ff03462f26e9de062784f9dd80dfb8c0b8edffeba73913f01fddd400218b13af751dce555bc4

          • F:\system_32.exe

            Filesize

            686KB

            MD5

            8c87b8613d433da6c8c69d7e5db0e1b9

            SHA1

            91b6ffeb1640c24858a6c984f11afd4aa2a34725

            SHA256

            e98f80c2687495eb2d2e2098d92d5dcaf6d90212c14f9d2cc0d9f64c9cd4861d

            SHA512

            7b6ecc92f3386e038868570b3017c62916d3b24b5447dbd22b7589a58414369550cda5fe5002d2af9422081418482e9f9e630dd11210841909d874b57cadbc6e

          • memory/1048-37-0x0000000000400000-0x00000000004BD200-memory.dmp

            Filesize

            756KB

          • memory/1048-25-0x00000000003E0000-0x00000000003E1000-memory.dmp

            Filesize

            4KB

          • memory/1048-20-0x0000000000400000-0x00000000004BD200-memory.dmp

            Filesize

            756KB

          • memory/1976-0-0x0000000000400000-0x00000000004BD200-memory.dmp

            Filesize

            756KB

          • memory/1976-21-0x0000000001E30000-0x0000000001EEE000-memory.dmp

            Filesize

            760KB

          • memory/1976-36-0x0000000000400000-0x00000000004BD200-memory.dmp

            Filesize

            756KB

          • memory/1976-19-0x0000000001E30000-0x0000000001EEE000-memory.dmp

            Filesize

            760KB

          • memory/1976-38-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/1976-1-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/1976-49-0x0000000000400000-0x00000000004BD200-memory.dmp

            Filesize

            756KB

          • memory/2708-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2708-28-0x0000000000400000-0x00000000004BE000-memory.dmp

            Filesize

            760KB

          • memory/2708-30-0x0000000000400000-0x00000000004BE000-memory.dmp

            Filesize

            760KB