Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23-02-2024 00:19

General

  • Target

  • Size

    1.4MB

  • MD5

    63210f8f1dde6c40a7f3643ccf0ff313

  • SHA1

    57edd72391d710d71bead504d44389d0462ccec9

  • SHA256

    2aab13d49b60001de3aa47fb8f7251a973faa7f3c53a3840cdf5fd0b26e9a09f

  • SHA512

    87a89e8ab85be150a783a9f8d41797cfa12f86fdccb48f2180c0498bfd2b1040b730dee4665fe2c83b98d436453680226051b7f1532e1c0e0cda0cf702e80a11

  • SSDEEP

    12288:WZgSKWk54jeg6lL5assQHtzV2KoLJ+PwXxwuLSJ8slf1zMr6iL/KNDx2PIXe2Q:KgoLetlLS8tz6V+PwD0XVMrXCNDxtK

Malware Config

Signatures

  • Troldesh, Shade, Encoder.858

    Troldesh is a ransomware spread by malspam.

  • UPX packed file 6 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 16 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\[email protected]
    "C:\Users\Admin\AppData\Local\Temp\[email protected]"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of UnmapMainImage
    PID:1968
  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\Desktop\SyncWrite.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1896
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:2452

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      20KB

      MD5

      b593eee19d92b99933b69ab5259a0934

      SHA1

      fbaed84ca1ba68838642e11c78ef63132a8901c6

      SHA256

      54c12d8fd8a839effb0698ef6e774c38d90a9634be57fe85d707a16571f5e4c6

      SHA512

      c5694476497b5759332aa744e06d048d8d24a76f980ebc8fa599b66463dff05ce71a02b15ec9ca2c0ab042087de93dfcae9c94fe132e07c5850982ddfed16365

    • memory/1896-10-0x000000002F731000-0x000000002F732000-memory.dmp

      Filesize

      4KB

    • memory/1896-44-0x00000000718FD000-0x0000000071908000-memory.dmp

      Filesize

      44KB

    • memory/1896-43-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1896-12-0x00000000718FD000-0x0000000071908000-memory.dmp

      Filesize

      44KB

    • memory/1896-11-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1968-3-0x0000000000400000-0x00000000005DE000-memory.dmp

      Filesize

      1.9MB

    • memory/1968-9-0x0000000000400000-0x00000000005DE000-memory.dmp

      Filesize

      1.9MB

    • memory/1968-5-0x0000000000400000-0x00000000005DE000-memory.dmp

      Filesize

      1.9MB

    • memory/1968-4-0x0000000000400000-0x00000000005DE000-memory.dmp

      Filesize

      1.9MB

    • memory/1968-1-0x0000000000400000-0x00000000005DE000-memory.dmp

      Filesize

      1.9MB

    • memory/1968-2-0x0000000000400000-0x00000000005DE000-memory.dmp

      Filesize

      1.9MB

    • memory/1968-0-0x00000000005E0000-0x00000000006AE000-memory.dmp

      Filesize

      824KB