Resubmissions

07-04-2024 06:24

240407-g6g4bsfa4s 10

07-04-2024 06:24

240407-g6de5sfa3y 10

07-04-2024 06:24

240407-g59f7afe37 10

07-04-2024 06:24

240407-g547gafa3t 10

05-03-2022 21:34

220305-1e7pfsbacj 10

Analysis

  • max time kernel
    120s
  • max time network
    263s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 06:24

General

  • Target

    701d3db21920f78b8ed2eb6b4286f858277928f50d567c9c6594bd1971e9c07e.exe

  • Size

    1.2MB

  • MD5

    6bb55449f9ad55bb73f25877a1041e1f

  • SHA1

    b303f1c9c4564551853cd08a770836aae5725cf2

  • SHA256

    701d3db21920f78b8ed2eb6b4286f858277928f50d567c9c6594bd1971e9c07e

  • SHA512

    b6e5393b39ca5f0fc2f5f4a0ed0e5aeb8207e228abb676f4f25a069289dd322cb17b38b0e83f9767a32f9e202fff2adb26d6c4f00660721d3b4b161c07f8e49c

  • SSDEEP

    24576:nCM1zIIQedHu6nxFMHjM8lJ5bnAd+V/PTfnT:P1zVB1yI8lJ5bZxTnT

Malware Config

Signatures

  • Troldesh, Shade, Encoder.858

    Troldesh is a ransomware spread by malspam.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 9 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\701d3db21920f78b8ed2eb6b4286f858277928f50d567c9c6594bd1971e9c07e.exe
    "C:\Users\Admin\AppData\Local\Temp\701d3db21920f78b8ed2eb6b4286f858277928f50d567c9c6594bd1971e9c07e.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of UnmapMainImage
    PID:1932
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:2500
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\Documents\Are.docx"
      1⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2352
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        2⤵
          PID:2680

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

        Filesize

        20KB

        MD5

        2acdf93b505f6d0c800ed828691ef1da

        SHA1

        0b5d0f410ef58617d2effb564fbdcfbb6fda6c01

        SHA256

        b125f05b1756ec06a3a6096f468a20c66d9bae42b252957191aa41c53737963e

        SHA512

        dc5dce18238163e2ef7490b6ce2de6f356da5db4c2c7ef046252eb1d742b62b80a674327ee4437495faf6e057c6f873df44c7817ee1f7c3e98fb2634a3684bb6

      • memory/1932-11-0x0000000000610000-0x00000000006E5000-memory.dmp

        Filesize

        852KB

      • memory/1932-10-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1932-3-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1932-4-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1932-12-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1932-6-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1932-2-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1932-0-0x0000000000610000-0x00000000006E5000-memory.dmp

        Filesize

        852KB

      • memory/1932-5-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1932-13-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1932-1-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/2352-17-0x000000005FFF0000-0x0000000060000000-memory.dmp

        Filesize

        64KB

      • memory/2352-18-0x0000000070BCD000-0x0000000070BD8000-memory.dmp

        Filesize

        44KB

      • memory/2352-16-0x000000002FB31000-0x000000002FB32000-memory.dmp

        Filesize

        4KB

      • memory/2352-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

        Filesize

        64KB

      • memory/2352-55-0x0000000070BCD000-0x0000000070BD8000-memory.dmp

        Filesize

        44KB