Resubmissions

17-04-2024 15:08

240417-sh9dfsdd79 10

17-04-2024 15:08

240417-sh8rxseh9s 10

17-04-2024 15:08

240417-sh76dsdd78 10

17-04-2024 15:08

240417-sh7vmaeh8z 10

17-04-2024 15:08

240417-sh684aeh8y 10

15-04-2024 11:51

240415-n1dx2sdg29 10

15-04-2024 11:51

240415-n1cd8aga41 10

15-04-2024 11:48

240415-nygadsdf57 10

15-04-2024 11:48

240415-nyfnvsfh8x 10

15-04-2024 11:48

240415-nyfc4adf55 10

Analysis

  • max time kernel
    1799s
  • max time network
    1497s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 15:08

General

  • Target

    3d4d462dbc7dbfd12af693f8176e9fd6814560ed763448fa75fa6dad026567f4.exe

  • Size

    1.2MB

  • MD5

    c722f0a20113bb1488382daefda9a358

  • SHA1

    4d269f0ec76a564f952c348b32a3b59c34bab2b4

  • SHA256

    3d4d462dbc7dbfd12af693f8176e9fd6814560ed763448fa75fa6dad026567f4

  • SHA512

    534a1acdd94846138086a9912f8c2bcf154e0765f80d0a8432004687c76909fa9ab95adef24b8ec67b10cdff2aa59c50d0bf086e034e3b12f4ea484c7605e991

  • SSDEEP

    24576:IIvEq8jlEBPkNShzxh7QjO+NhXh1l/JFfnE88smv:najiNOsbQjOuXh1lvESw

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 6 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\3d4d462dbc7dbfd12af693f8176e9fd6814560ed763448fa75fa6dad026567f4.exe
    "C:\Users\Admin\AppData\Local\Temp\3d4d462dbc7dbfd12af693f8176e9fd6814560ed763448fa75fa6dad026567f4.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:1964
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:4952
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:4964
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:3848
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:628
  • 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:4296
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
      PID:4920

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Defense Evasion

    Indicator Removal

    2
    T1070

    File Deletion

    2
    T1070.004

    Modify Registry

    3
    T1112

    Credential Access

    Unsecured Credentials

    1
    T1552

    Credentials In Files

    1
    T1552.001

    Discovery

    Query Registry

    2
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    1
    T1005

    Impact

    Inhibit System Recovery

    2
    T1490

    Defacement

    1
    T1491

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\System32\xfs
      Filesize

      44KB

      MD5

      1ccd872c7b550943e0457ab1ebdccc5c

      SHA1

      7958277407fd1f83fdc20fe8240535e477e545b8

      SHA256

      b1ff47757456055df802046f63aeac961509545ffe4464d3da453e13c029ca84

      SHA512

      993911a9261ca6f83dc3527dcc417a850390c5ca7c0a8a924c01949592f58a5d3a013c29142a1097872104d457d78f74564f5d30bb788b53f017ff1c14e0cb72

    • memory/1964-0-0x0000000002440000-0x0000000002515000-memory.dmp
      Filesize

      852KB

    • memory/1964-1-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-2-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-3-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-4-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-5-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-8-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-11-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-12-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-13-0x0000000002440000-0x0000000002515000-memory.dmp
      Filesize

      852KB

    • memory/1964-14-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-15-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-16-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-17-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-18-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-21-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-22-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-23-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-24-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-25-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-26-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-27-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-28-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-29-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-30-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-31-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-32-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-33-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-34-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-35-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-36-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-37-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-38-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-39-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-40-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-41-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-42-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-43-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-44-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-45-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-46-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-47-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-48-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-49-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-50-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-51-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-52-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-53-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-54-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-55-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-56-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-57-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-58-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-59-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-60-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-61-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-62-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-63-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-64-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-65-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-66-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-67-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-68-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-69-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-70-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-71-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB

    • memory/1964-72-0x0000000000400000-0x0000000000608000-memory.dmp
      Filesize

      2.0MB