Overview

overview

10

Static

static

10

2024-04-17...de.exe

windows7-x64

9

2024-04-17...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    92s
  • max time network
    113s
  • 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, 23:41

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General

  • Target
    2024-04-17_7f72cf6f4d95a38ac92aa8e548cf2665_darkside.exe
  • Size 146KB
  • Sample240417-3ppbzaaa33
  • SHA256 152217ef46be621a53593457abc52d435f1301ff314261ababf3e5a2ba04e6cd
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
ransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (608) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 2 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-17_7f72cf6f4d95a38ac92aa8e548cf2665_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-17_7f72cf6f4d95a38ac92aa8e548cf2665_darkside.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4932
    • C:\ProgramData\5C58.tmp
      "C:\ProgramData\5C58.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4936
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\5C58.tmp >> NUL
        3⤵
          PID:2852
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:984

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          desktop.ini
          • Path C:\$Recycle.Bin\S-1-5-21-2177723727-746291240-1644359950-1000\desktop.ini
          • Size 129B
          • SHA256 0a5c40e4f28faefddad31cad16afd27bb343c77606f94f018134d7bcb524a148
          • MD5 SHA1 SHA512
          Submit Download

          4FQNHFOJx.README.txt
          • Path C:\4FQNHFOJx.README.txt
          • Size 1KB
          • SHA256 2bbf533bcb2962876cf332179aef32e30e94590cd6eb1f1ef3b6b6ca19fa26c2
          • MD5 SHA1 SHA512
          Submit Download

          5C58.tmp
          • Path C:\ProgramData\5C58.tmp
          • Size 14KB
          • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
          • Path C:\Users\Admin\AppData\Local\Temp\FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
          • Size 146KB
          • SHA256 d11d00580e4268e2df0a6788491dfd4b9ca40a9e28cd7e0b8ae94491dd176522
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          DDDDDDDDDDD
          • Path F:\$RECYCLE.BIN\S-1-5-21-2177723727-746291240-1644359950-1000\DDDDDDDDDDD
          • Size 129B
          • SHA256 7819eadc65b3f46cd10e4ca7dea0c6053defd350c9b9b34416bde14d60fc5bce
          • MD5 SHA1 SHA512
          Submit Download

          memory/4932-0-0x00000000033A0000-0x00000000033B0000-memory.dmp
          Download

          memory/4932-1-0x00000000033A0000-0x00000000033B0000-memory.dmp
          Download

          memory/4936-2758-0x000000007FE40000-0x000000007FE41000-memory.dmp
          Download

          memory/4936-2759-0x00000000027A0000-0x00000000027B0000-memory.dmp
          Download

          memory/4936-2760-0x00000000027A0000-0x00000000027B0000-memory.dmp
          Download

          memory/4936-2774-0x000000007FDC0000-0x000000007FDC1000-memory.dmp
          Download

          memory/4936-2761-0x000000007FE20000-0x000000007FE21000-memory.dmp
          Download

          memory/4936-2791-0x000000007FE00000-0x000000007FE01000-memory.dmp
          Download

          memory/4936-2792-0x000000007FDE0000-0x000000007FDE1000-memory.dmp
          Download