Resubmissions

Analysis

  • max time kernel
    1191s
  • max time network
    1167s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    14-04-2024 11:58

General

  • Target

    inf.exe

  • Size

    1.3MB

  • MD5

    73dea1a75637e14f6fcd012fe2815636

  • SHA1

    f1edca0d6464b76bc4956352571d8941c02d2c4e

  • SHA256

    fd03dd58aa7cb5236f4df8cde3fb07af304c6f402cd48b86eefcecb8e7b86883

  • SHA512

    f6dc462194037a5c4e0b186088f1fd75befe4cb88bf1dcc7477987951332fc18f8aa66389d567e01677990b022fea6849a66a24510027794e12e2a517edde8d0

  • SSDEEP

    24576:SkMiDApH5iholXZFFqn14hhzk8wncu0Z9Ml+5PkjyDs5U2cuC:tApsolXTF8mhC1c9WCkjMs5Uq

Malware Config

Signatures

  • Troldesh, Shade, Encoder.858

    Troldesh is a ransomware spread by malspam.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 64 IoCs

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

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

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

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 3 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 8 IoCs
  • Suspicious use of WriteProcessMemory 6 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\inf.exe
    "C:\Users\Admin\AppData\Local\Temp\inf.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5008
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:3640
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:1984
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:1872
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4656
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\System32\xfs

    Filesize

    76KB

    MD5

    b7c527621140336779a8a7fdba233257

    SHA1

    a62505ff1fc9553e770948598d7ea9a63afc3cda

    SHA256

    90e6b39436398765c2c3cde805c97faa85669c59e73e90e717b577c8c29f6057

    SHA512

    203ca2a370811bf8f4384c247a89dc0df0be81b5007e9cfa610e865e47a2a7a1945cdb54f77b69f91e503fce0336475ebb2abe044be47894ded2666e40f52a42

  • memory/5008-0-0x00000000024F0000-0x00000000025C5000-memory.dmp

    Filesize

    852KB

  • memory/5008-1-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-2-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-3-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-4-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-5-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-7-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-11-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-12-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-13-0x00000000024F0000-0x00000000025C5000-memory.dmp

    Filesize

    852KB

  • memory/5008-14-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-15-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-16-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-17-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-18-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-19-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-22-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-23-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-24-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-25-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-26-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-27-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-28-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-29-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-30-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-31-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-32-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-33-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-34-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-35-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-36-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-37-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-38-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-39-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-40-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-41-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-42-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-43-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-44-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-45-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-46-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-47-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-48-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-49-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-50-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-51-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-52-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-53-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-54-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-55-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-56-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-57-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-58-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-59-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-60-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-61-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-62-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-63-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-64-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-65-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-66-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-67-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-68-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-69-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-70-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-71-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/5008-72-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB