Analysis

  • max time kernel
    143s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05-05-2024 11:44

General

  • Target

    Build1.exe

  • Size

    18KB

  • MD5

    a4b14b3833555e5a0687838bbea8553d

  • SHA1

    fb2a65cd531bfb47023ce37dea1bae4e6f572ba3

  • SHA256

    b4235f7583ae798d313b878ad9639a5646c04b45a1d9f43d1fa09c37163c6e78

  • SHA512

    1ca5731abd0c157747e0df0a112b6ca9698937fef6e3d37d5608e1ad5292a68ba330a7cb809149e69ed02b5ff3e093cebeb965fb3f1b797a25d8134de968cb96

  • SSDEEP

    384:rEw7wknHOYXQdhLGPvCaV4pLS7OGQ8xy1Czcx4qhne:rEw7wkHOYEGPvCaV4pLzb1fx4

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
  • Loads dropped DLL 2 IoCs
  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Build1.exe
    "C:\Users\Admin\AppData\Local\Temp\Build1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2856
    • C:\Users\Admin\AppData\Roaming\AdobeART.exe
      "C:\Users\Admin\AppData\Roaming\AdobeART.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:1736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    18KB

    MD5

    a4b14b3833555e5a0687838bbea8553d

    SHA1

    fb2a65cd531bfb47023ce37dea1bae4e6f572ba3

    SHA256

    b4235f7583ae798d313b878ad9639a5646c04b45a1d9f43d1fa09c37163c6e78

    SHA512

    1ca5731abd0c157747e0df0a112b6ca9698937fef6e3d37d5608e1ad5292a68ba330a7cb809149e69ed02b5ff3e093cebeb965fb3f1b797a25d8134de968cb96

  • memory/1736-13-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1736-14-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2856-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2856-9-0x00000000028D0000-0x00000000028E4000-memory.dmp

    Filesize

    80KB

  • memory/2856-12-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB