Overview

overview

10

Static

static

10

d82aa76842...b0.exe

windows7-x64

7

d82aa76842...b0.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    92s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/06/2024, 02:19

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    d82aa76842e45325dd2b665ae410f91dfeb8fd2f9bc6449630090f3bac0c95b0.exe
  • Size 146KB
  • Sample240605-csbxyacb75
  • SHA256 d82aa76842e45325dd2b665ae410f91dfeb8fd2f9bc6449630090f3bac0c95b0
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
spywarestealer

Malware Config

Signatures

  • 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
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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
  • Modifies registry class 5 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\d82aa76842e45325dd2b665ae410f91dfeb8fd2f9bc6449630090f3bac0c95b0.exe
    "C:\Users\Admin\AppData\Local\Temp\d82aa76842e45325dd2b665ae410f91dfeb8fd2f9bc6449630090f3bac0c95b0.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:5100
    • C:\ProgramData\8A20.tmp
      "C:\ProgramData\8A20.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2096
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\8A20.tmp >> NUL
        3⤵
          PID:4848
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:2628
      • C:\Windows\system32\printfilterpipelinesvc.exe
        C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
        1⤵
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:4944
        • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
          /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{12028925-39B7-4269-91E3-376A42A9DA82}.xps" 133620279022570000
          2⤵
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of SetWindowsHookEx
          PID:4408

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            UUUUUUUUUUU
            • Path C:\$Recycle.Bin\S-1-5-21-4018855536-2201274732-320770143-1000\UUUUUUUUUUU
            • Size 129B
            • SHA256 7c5ef8105077fdfb0df6b99796e64181b4988c48d2072c66aa5b43a394851841
            • MD5 SHA1 SHA512
            Submit Download

            8A20.tmp
            • Path C:\ProgramData\8A20.tmp
            • Size 14KB
            • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
            • Path C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
            • Size 146KB
            • SHA256 1fb9cbf3f0c7ace13c8b19bc49a63cccc288e0ce2451a9c8475810a9674be5a9
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            Open Notebook.onetoc2
            • Path C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
            • Size 4KB
            • SHA256 edb03ad16234a6bf2f9e85f035a675b94be0ca6395d7bbe572d43639cb890581
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            hokwnrPwS.README.txt
            • Path C:\hokwnrPwS.README.txt
            • Size 865B
            • SHA256 36b49a373e27694fa1be03e9557ef503c0e436289de49ff59718f19c4131f4ea
            • MD5 SHA1 SHA512
            Submit Download

            DDDDDDDDDDD
            • Path F:\$RECYCLE.BIN\S-1-5-21-4018855536-2201274732-320770143-1000\DDDDDDDDDDD
            • Size 129B
            • SHA256 1f9fba5a02a4b1486ecef6155d83218a2c915a5a87d788eefa562fe9275e1353
            • MD5 SHA1 SHA512
            Submit Download

            memory/2044-2-0x0000000002860000-0x0000000002870000-memory.dmp
            Download

            memory/2044-0-0x0000000002860000-0x0000000002870000-memory.dmp
            Download

            memory/2044-1-0x0000000002860000-0x0000000002870000-memory.dmp
            Download

            memory/4408-2823-0x00007FF935CF0000-0x00007FF935D00000-memory.dmp
            Download

            memory/4408-2821-0x00007FF9380D0000-0x00007FF9380E0000-memory.dmp
            Download

            memory/4408-2820-0x00007FF9380D0000-0x00007FF9380E0000-memory.dmp
            Download

            memory/4408-2819-0x00007FF9380D0000-0x00007FF9380E0000-memory.dmp
            Download

            memory/4408-2818-0x00007FF9380D0000-0x00007FF9380E0000-memory.dmp
            Download

            memory/4408-2817-0x00007FF9380D0000-0x00007FF9380E0000-memory.dmp
            Download

            memory/4408-2822-0x00007FF935CF0000-0x00007FF935D00000-memory.dmp
            Download