Analysis

  • max time kernel
    144s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    03/02/2024, 14:17

General

  • Target

    8c8a12ad071e2916f1601a12879c14dd.exe

  • Size

    115KB

  • MD5

    8c8a12ad071e2916f1601a12879c14dd

  • SHA1

    33c46d051870a085f7731626fc327975134a1559

  • SHA256

    f71318cf8ed1b720cae18bbbc39486327f4d982d6ff02ec0b571ac2b6945c195

  • SHA512

    ef9c89ed4c86d2b899b7785ba1417b3d53053baea0947107e32e92433416b03fa7238ee6bf3b9f35701881143c7868b3e950d0d267e6ef52790ed1f2dfabc055

  • SSDEEP

    3072:W1+MJKrUnFYY5z1i0Nmbi5fJBNIVFr5eoutu:eIrPj0NmWtNIDr5eoSu

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 17 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 19 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
  • Drops file in Windows directory 4 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 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\8c8a12ad071e2916f1601a12879c14dd.exe
    "C:\Users\Admin\AppData\Local\Temp\8c8a12ad071e2916f1601a12879c14dd.exe"
    1⤵
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\8c8a12ad071e2916f1601a12879c14dd.exe"
      2⤵
      • UAC bypass
      • Deletes itself
      • 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:2976
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2916

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\mstwain32.exe

          Filesize

          115KB

          MD5

          8c8a12ad071e2916f1601a12879c14dd

          SHA1

          33c46d051870a085f7731626fc327975134a1559

          SHA256

          f71318cf8ed1b720cae18bbbc39486327f4d982d6ff02ec0b571ac2b6945c195

          SHA512

          ef9c89ed4c86d2b899b7785ba1417b3d53053baea0947107e32e92433416b03fa7238ee6bf3b9f35701881143c7868b3e950d0d267e6ef52790ed1f2dfabc055

        • memory/1752-26-0x0000000003E10000-0x0000000003E62000-memory.dmp

          Filesize

          328KB

        • memory/1752-0-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/1752-1-0x00000000001F0000-0x00000000001F1000-memory.dmp

          Filesize

          4KB

        • memory/1752-14-0x0000000003E10000-0x0000000003E62000-memory.dmp

          Filesize

          328KB

        • memory/1752-13-0x0000000003E10000-0x0000000003E20000-memory.dmp

          Filesize

          64KB

        • memory/1752-2-0x00000000024D0000-0x00000000024D1000-memory.dmp

          Filesize

          4KB

        • memory/1752-12-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2976-32-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2976-31-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2976-22-0x0000000076330000-0x0000000076420000-memory.dmp

          Filesize

          960KB

        • memory/2976-19-0x0000000001E20000-0x0000000001E2E000-memory.dmp

          Filesize

          56KB

        • memory/2976-24-0x0000000000510000-0x0000000000511000-memory.dmp

          Filesize

          4KB

        • memory/2976-25-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2976-21-0x0000000000260000-0x0000000000261000-memory.dmp

          Filesize

          4KB

        • memory/2976-15-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2976-28-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2976-27-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2976-30-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2976-23-0x0000000074A40000-0x0000000074A54000-memory.dmp

          Filesize

          80KB

        • memory/2976-29-0x0000000076330000-0x0000000076420000-memory.dmp

          Filesize

          960KB

        • memory/2976-34-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2976-35-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2976-36-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2976-37-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2976-38-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2976-39-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2976-40-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2976-41-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2976-42-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB