Overview

overview

10

Static

static

10

d582110cd8...3f.exe

windows7-x64

9

d582110cd8...3f.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    148s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/09/2024, 02:35

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General

  • Target
    d582110cd8a31d867e1a1eada4fb726acbbf960bed0aafeec854e455bc53403f.exe
  • Size 146KB
  • Sample240925-c23f9azepm
  • SHA256 d582110cd8a31d867e1a1eada4fb726acbbf960bed0aafeec854e455bc53403f
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (639) 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 3 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d582110cd8a31d867e1a1eada4fb726acbbf960bed0aafeec854e455bc53403f.exe
    "C:\Users\Admin\AppData\Local\Temp\d582110cd8a31d867e1a1eada4fb726acbbf960bed0aafeec854e455bc53403f.exe"
    1⤵
    • Drops desktop.ini file(s)
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3948
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:2564
    • C:\ProgramData\DC67.tmp
      "C:\ProgramData\DC67.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4756
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\DC67.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1404
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:2572
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:3604
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{B837EF15-F51E-464E-95F7-2B5A567B1E63}.xps" 133717053219150000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:1240

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          JJJJJJJJJJJ
          • Path C:\$Recycle.Bin\S-1-5-21-523280732-2327480845-3730041215-1000\JJJJJJJJJJJ
          • Size 129B
          • SHA256 9f8c9c631d6508f37be24f43e0e978ea0ae4e18d24725d193f206b6bc5613107
          • MD5 SHA1 SHA512
          Submit Download

          DC67.tmp
          • Path C:\ProgramData\DC67.tmp
          • Size 14KB
          • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
          • Path C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
          • Size 146KB
          • SHA256 27743d742dccb814f2fc97502962d9eab28bd8532991b7094899f55f96c252bb
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          Open Notebook.onetoc2
          • Path C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
          • Size 4KB
          • SHA256 b7154fd2b7dda400bc4a423de47349a0a716ae26bb3e3340b6ebf1b0bd4a66e4
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          iFnyJHFpx.README.txt
          • Path C:\iFnyJHFpx.README.txt
          • Size 638B
          • SHA256 7c750178e9525b4eef587eed36c7040a4806207909e4463a56f33073081b7de5
          • MD5 SHA1 SHA512
          Submit Download

          DDDDDDDDDDD
          • Path F:\$RECYCLE.BIN\S-1-5-21-523280732-2327480845-3730041215-1000\DDDDDDDDDDD
          • Size 129B
          • SHA256 cf879f43e4779407c6947d24654bd7d6d1f3e5607a7b1e877b1e35834a6d69e2
          • MD5 SHA1 SHA512
          Submit Download

          memory/1240-3023-0x00007FFEF0830000-0x00007FFEF0840000-memory.dmp
          Download

          memory/1240-3021-0x00007FFEF0830000-0x00007FFEF0840000-memory.dmp
          Download

          memory/1240-3022-0x00007FFEF0830000-0x00007FFEF0840000-memory.dmp
          Download

          memory/1240-3025-0x00007FFEF0830000-0x00007FFEF0840000-memory.dmp
          Download

          memory/1240-3024-0x00007FFEF0830000-0x00007FFEF0840000-memory.dmp
          Download

          memory/1240-3026-0x00007FFEEE6E0000-0x00007FFEEE6F0000-memory.dmp
          Download

          memory/1240-3027-0x00007FFEEE6E0000-0x00007FFEEE6F0000-memory.dmp
          Download

          memory/3948-2977-0x0000000003270000-0x0000000003280000-memory.dmp
          Download

          memory/3948-2978-0x0000000003270000-0x0000000003280000-memory.dmp
          Download

          memory/3948-2976-0x0000000003270000-0x0000000003280000-memory.dmp
          Download

          memory/3948-0-0x0000000003270000-0x0000000003280000-memory.dmp
          Download

          memory/3948-2-0x0000000003270000-0x0000000003280000-memory.dmp
          Download

          memory/3948-1-0x0000000003270000-0x0000000003280000-memory.dmp
          Download