Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/02/2024, 18:44

General

  • Target
    YNAB 4_4.3.857_Setup.exe
  • Size 20.2MB
  • Sample240222-xdnneaec68
  • SHA256 f3021e45c82d72bd139d86f6a68c96af201bedf53a373f183dca037003b9cdc6
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 26 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Modifies registry class 56 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\YNAB 4_4.3.857_Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\YNAB 4_4.3.857_Setup.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Users\Admin\AppData\Local\Temp\is-MR719.tmp\YNAB 4_4.3.857_Setup.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-MR719.tmp\YNAB 4_4.3.857_Setup.tmp" /SL5="$6006A,20782605,219136,C:\Users\Admin\AppData\Local\Temp\YNAB 4_4.3.857_Setup.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2288
      • C:\Program Files (x86)\YNAB 4\YNAB 4.exe
        "C:\Program Files (x86)\YNAB 4\YNAB 4.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious use of SetWindowsHookEx
        PID:2416
  • C:\Program Files (x86)\YNAB 4\YNAB 4.exe
    "C:\Program Files (x86)\YNAB 4\YNAB 4.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Checks processor information in registry
    PID:4776
    • C:\WINDOWS\SysWOW64\hostname.exe
      "C:\WINDOWS\system32\hostname.exe"
      2⤵
        PID:2736
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x33c 0x4bc
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3040
    • C:\Program Files (x86)\YNAB 4\YNAB 4.exe
      "C:\Program Files (x86)\YNAB 4\YNAB 4.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious use of SetWindowsHookEx
      PID:4252

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          Adobe AIR.dll

          • Path C:\Program Files (x86)\YNAB 4\Adobe AIR\Versions\1.0\Adobe AIR.dll
          • Size 832KB
          • SHA256 be5fb81ee431cc99f0af8caaac5ebee7000808bccc7a7ea1238f8ef12632d334
          • MD5 SHA1 SHA512 SSDEEP

          Adobe AIR.dll

          • Path C:\Program Files (x86)\YNAB 4\Adobe AIR\Versions\1.0\Adobe AIR.dll
          • Size 384KB
          • SHA256 1bb20a972c535a197268a7c9e75a7754cb6ab741f1ed9f8db5faa470c5d584cc
          • MD5 SHA1 SHA512 SSDEEP

          Adobe AIR.dll

          • Path C:\Program Files (x86)\YNAB 4\Adobe AIR\Versions\1.0\Adobe AIR.dll
          • Size 13.9MB
          • SHA256 3025ef1da177649b2bd4f6a632d03f3391490f58ad35a5dd9e88440f7b898c25
          • MD5 SHA1 SHA512 SSDEEP

          Adobe AIR.dll

          • Path C:\Program Files (x86)\YNAB 4\Adobe AIR\Versions\1.0\Adobe AIR.dll
          • Size 15.4MB
          • SHA256 9fadb97b12990ed707a50ad11a7e57a5ab9eae7a7be08abca9d87828959d98c0
          • MD5 SHA1 SHA512 SSDEEP

          application.xml

          • Path C:\Program Files (x86)\YNAB 4\META-INF\AIR\application.xml
          • Size 2KB
          • SHA256 ebdf4f7eaded6a910cc811b77fd89653baee2402dbdeb282358dc208471ce255
          • MD5 SHA1 SHA512

          YNAB 4.exe

          • Path C:\Program Files (x86)\YNAB 4\YNAB 4.exe
          • Size 211KB
          • SHA256 160256d4687b59be6202de349e777aaeac5e93c037c41304f24d34883f2d5327
          • MD5 SHA1 SHA512 SSDEEP

          YNAB 4_4.3.857_Setup.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\is-MR719.tmp\YNAB 4_4.3.857_Setup.tmp
          • Size 1.2MB
          • SHA256 168e5bbfcc47229ae0375ece11b7c9dabeb0a6bc820058fc2c86f4682cd0388f
          • MD5 SHA1 SHA512 SSDEEP

          memory/2188-115-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2188-12-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2188-2-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2188-0-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2288-16-0x0000000002520000-0x0000000002521000-memory.dmp

          memory/2288-38-0x0000000000400000-0x0000000000539000-memory.dmp

          memory/2288-13-0x0000000000400000-0x0000000000539000-memory.dmp

          memory/2288-7-0x0000000002520000-0x0000000002521000-memory.dmp

          memory/2288-111-0x0000000000400000-0x0000000000539000-memory.dmp

          memory/2416-129-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-126-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-112-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-110-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-113-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-114-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-108-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-116-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-105-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-117-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-118-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-119-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-121-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-120-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-122-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-123-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-124-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-125-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-127-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-128-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-103-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-130-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-132-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-131-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-104-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-135-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-136-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-109-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-138-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-139-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-140-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-141-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-142-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-137-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-143-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-144-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-145-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-148-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-149-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-102-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-150-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-146-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-151-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-152-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-153-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-154-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-155-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-157-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-159-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-161-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-166-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-80-0x0000000002530000-0x0000000002531000-memory.dmp

          memory/2416-213-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/2416-172-0x0000000004140000-0x0000000004340000-memory.dmp

          memory/4252-214-0x0000000003AD0000-0x0000000003CD0000-memory.dmp

          memory/4252-168-0x0000000002730000-0x0000000002731000-memory.dmp