Analysis

  • max time kernel
    140s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 13:41

General

  • Target

    Build.exe

  • Size

    18KB

  • MD5

    92d87c1c5d983e7aa3aa327e19a3f186

  • SHA1

    40af71cfe33e3c1fe2e2e8da012e47c43ca4ebfb

  • SHA256

    4498db4f469d538dee96374c65f8af004beec87381bec52bb1273ef6c939cb56

  • SHA512

    1d64f71d270ad8c899bb519267ac40a75af67a2b7a296d8cd0dc5530d53182bf703211be3e278859f888a2b95d0e0686ea364076df4b84bf2d65c8fe6c89e0ec

  • SSDEEP

    384:DEw7wknHOYXQdhLGPvCaV4pLS7OGQ8xy1CzcaXtQXkqAne:DEw7wkHOYEGPvCaV4pLzb1fa9QXk

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • ModiLoader Second Stage 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 4 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Build.exe
    "C:\Users\Admin\AppData\Local\Temp\Build.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:896
    • C:\Users\Admin\AppData\Roaming\AdobeART.exe
      "C:\Users\Admin\AppData\Roaming\AdobeART.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:3884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\AdobeART.exe

    Filesize

    18KB

    MD5

    92d87c1c5d983e7aa3aa327e19a3f186

    SHA1

    40af71cfe33e3c1fe2e2e8da012e47c43ca4ebfb

    SHA256

    4498db4f469d538dee96374c65f8af004beec87381bec52bb1273ef6c939cb56

    SHA512

    1d64f71d270ad8c899bb519267ac40a75af67a2b7a296d8cd0dc5530d53182bf703211be3e278859f888a2b95d0e0686ea364076df4b84bf2d65c8fe6c89e0ec

  • memory/896-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/896-10-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3884-11-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB