Resubmissions

11/04/2024, 06:50

240411-hl165seb2210

11/04/2024, 06:50

240411-hl1klsea9910

11/04/2024, 06:49

240411-hlr88shb4110

11/04/2024, 06:49

240411-hlnk2sea9710

11/04/2024, 06:49

240411-hlmzhsea96

11/04/2024, 06:49

240411-hlkt6ahb4z10

11/04/2024, 06:49

240411-hljl4ahb4y

11/04/2024, 06:49

240411-hle9nshb4w

07/04/2024, 08:26

240407-kb93eahd3210

07/04/2024, 08:26

240407-kb3y4ahd2510

Analysis

  • max time kernel
    1798s
  • max time network
    1614s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/04/2024, 06:50

General

  • Target
    095b7c9aafb975f3732092b03b97ff4f.exe
  • Size 1.4MB
  • Sample240411-hl165seb22
  • SHA256 8827d1935a406a4a39e3da4b8c994753d7cbddf55ea386ac1bdfe17cf2a6f6f1
  • MD5 SHA1 SHA512 SSDEEP

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 2 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
  • Enumerates connected drives 3 TTPs 5 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
  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 52 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Interacts with shadow copies 2 TTPs 3 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 61 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 46 IoCs
  • Suspicious use of SetWindowsHookEx 2 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\095b7c9aafb975f3732092b03b97ff4f.exe
    "C:\Users\Admin\AppData\Local\Temp\095b7c9aafb975f3732092b03b97ff4f.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:3116
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:2752
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:2684
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:4964
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1684
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Enumerates connected drives
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:224
  • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
    1⤵
    • Drops file in Windows directory
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:5092
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Enumerates connected drives
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4048
  • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
    1⤵
    • Drops file in Windows directory
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4456

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        xfs

        • Path C:\ProgramData\System32\xfs
        • Size 132KB
        • SHA256 30b97fea5ba01db8b08a8b4cfc8eae142b86bd4705327258a9e21e4d1fd74725
        • MD5 SHA1 SHA512 SSDEEP

        microsoft.windows[1].xml

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Cortana_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\5PWHOEW3\microsoft.windows[1].xml
        • Size 481B
        • SHA256 27161aea089b6f28b9101349705e6b295e2d0ac435db7fbe4ba1b73ad15a9dde
        • MD5 SHA1 SHA512

        microsoft.windows[1].xml

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Cortana_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\5PWHOEW3\microsoft.windows[1].xml
        • Size 97B
        • SHA256 79edc9f9c9d1a073d0f0012620d7778b84b783be1138a8b3c8ccd8901167d9c2
        • MD5 SHA1 SHA512

        86B8B7BB86B8B7BB.bmp

        • Path C:\Users\Admin\AppData\Roaming\86B8B7BB86B8B7BB.bmp
        • Size 2.6MB
        • SHA256 4aa6cdb9ce95410f85a05b21967d224cfd49cf8c7fa18d9998304a16d4e4b5d8
        • MD5 SHA1 SHA512 SSDEEP

        memory/3116-0-0x0000000002230000-0x00000000022FE000-memory.dmp

        memory/3116-2-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-1-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-3-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-4-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-5-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-9-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-10-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-11-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-12-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-13-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-16-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-17-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-18-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-19-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-20-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-21-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-22-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-23-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-24-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-25-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-26-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-27-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-28-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-29-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-30-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-31-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-32-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-33-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-34-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-35-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-36-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-37-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-38-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-39-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-40-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-41-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-42-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-43-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-44-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-45-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-46-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-47-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-48-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-49-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-50-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-51-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-52-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-53-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-54-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-55-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-56-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-57-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-58-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-59-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-60-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-61-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-62-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-63-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-64-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-65-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-66-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-67-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-68-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-69-0x0000000000400000-0x00000000005DE000-memory.dmp

        memory/3116-70-0x0000000000400000-0x00000000005DE000-memory.dmp