Resubmissions

18-03-2024 13:45

240318-q2hzhaab76 10

Analysis

  • max time kernel
    1790s
  • max time network
    1561s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14-04-2024 10:50

General

  • Target

    8b04af13b729b0634b1a3c83e5758f25aecb708480bf2e3df524e889b305c621.exe

  • Size

    1020KB

  • MD5

    496f86f951e1dbd3c4534d51a5297668

  • SHA1

    1199c5f30f5724841905cbdb9787649d15aae3d5

  • SHA256

    8b04af13b729b0634b1a3c83e5758f25aecb708480bf2e3df524e889b305c621

  • SHA512

    382abc596081ca5d0fdea39b12afe433e446cd50f59e4abca818162d96e46465beb1cda631109083071e7c050af6bfcf867be41d02c1e2ebe5dd99f61f45d510

  • SSDEEP

    24576:es0fVWVbd8fKT0KqTAFFCa/2yDEmdvAkomBbOsn51D:es0fVWVR8fKTeU1imBbl51D

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.

  • 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
  • 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 16 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\8b04af13b729b0634b1a3c83e5758f25aecb708480bf2e3df524e889b305c621.exe
    "C:\Users\Admin\AppData\Local\Temp\8b04af13b729b0634b1a3c83e5758f25aecb708480bf2e3df524e889b305c621.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 AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2504
      • C:\Windows\system32\vssadmin.exe
        C:\Windows\system32\vssadmin.exe List Shadows
        2⤵
        • Interacts with shadow copies
        PID:1660
      • C:\Windows\system32\vssadmin.exe
        C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
        2⤵
        • Interacts with shadow copies
        PID:1596
      • C:\Windows\system32\vssadmin.exe
        C:\Windows\system32\vssadmin.exe List Shadows
        2⤵
        • Interacts with shadow copies
        PID:1744
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
        PID:2552

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1284-0-0x0000000002250000-0x00000000022B4000-memory.dmp

        Filesize

        400KB

      • memory/1284-1-0x0000000001EB0000-0x0000000001EB1000-memory.dmp

        Filesize

        4KB

      • memory/1284-2-0x0000000002250000-0x00000000022B4000-memory.dmp

        Filesize

        400KB

      • memory/1284-3-0x0000000001EB0000-0x0000000001EB1000-memory.dmp

        Filesize

        4KB

      • memory/1284-4-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-6-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-7-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-11-0x0000000001EB0000-0x0000000001EB1000-memory.dmp

        Filesize

        4KB

      • memory/1284-12-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-13-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-14-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-15-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-16-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-17-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-18-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-21-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-22-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-23-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-24-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-25-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-26-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-27-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-28-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-29-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-30-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-31-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-32-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-33-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-34-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-35-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-36-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-37-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-38-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-39-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-40-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-41-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-42-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-43-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-44-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-45-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-46-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-47-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-48-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-49-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-50-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-51-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-52-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-53-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-54-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-55-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-56-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-57-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-58-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-59-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-60-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-61-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-62-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-63-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-64-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-65-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-66-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-67-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-68-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-69-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-70-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-71-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-72-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-73-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-74-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-75-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1284-76-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB