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
    1192s
  • max time network
    1178s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    15-04-2024 11:51

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 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\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:2436
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:4388
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:3276
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:2608
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2508
  • 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:3664

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

    92KB

    MD5

    753c25eb7ae01edc169211caa21035c6

    SHA1

    8ca2b207fc93bf8b758634c80f5806355ad57d6d

    SHA256

    cc0cf55c6d295e03e3c0d5e49575e468591d51256af6849a6974e59413bc90bd

    SHA512

    165f1a9bf113d681c9d12e1abdf95ab71ebc7ec4f919d41e206046f72e88a55355d1e170e2f6bf41e27a8d5959dd27e7adcfda6b28cde4c00b94d31aa8943f19

  • memory/2436-0-0x00000000023D0000-0x00000000024A5000-memory.dmp
    Filesize

    852KB

  • memory/2436-1-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-2-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-3-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-4-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-6-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-5-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-8-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-11-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-12-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-13-0x00000000023D0000-0x00000000024A5000-memory.dmp
    Filesize

    852KB

  • memory/2436-14-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-15-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-16-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-17-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-18-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-19-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-22-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-23-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-24-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-25-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-26-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-27-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-28-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-29-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-30-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-31-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-32-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-33-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-34-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-35-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-36-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-37-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-38-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-39-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-40-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-41-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-42-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-43-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-44-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-45-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-46-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-47-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-48-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-49-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-50-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-51-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-52-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-53-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-54-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-55-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-56-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-57-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-58-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-59-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-60-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-61-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-62-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-63-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-64-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-65-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-66-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-67-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-68-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-69-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-70-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-71-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2436-72-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB