Analysis

  • max time kernel
    1388s
  • max time network
    1177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-04-2024 09:09

General

  • Target

    HorizonXbeta/redist/dxwebsetup.exe

  • Size

    281KB

  • MD5

    fd6057b33e15a553ddc5d9873723ce8f

  • SHA1

    f90efb623b5abea70af63c470daa8674444fb1df

  • SHA256

    111aeddc6a6dbf64b28cb565aa12af9ee3cc0a56ce31e4da0068cf6b474c3288

  • SHA512

    d894630c9a4bdb767e9f16d1b701acbdf011e721768ba0dc7a24e6d82a4d062a7ca253b1b334edba38c06187104351203a92c017838bdd9f13905cde30f7d94d

  • SSDEEP

    6144:pWK8EGMUjp5cGQ3Mek1B3B9h8Ins3i8AEYBSawz1YSc:JGvjp5cj35kDB9hrs3zARBSaJSc

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 7 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HorizonXbeta\redist\dxwebsetup.exe
    "C:\Users\Admin\AppData\Local\Temp\HorizonXbeta\redist\dxwebsetup.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2328
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • Drops file in Windows directory
      PID:2352
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
    1⤵
      PID:3728
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k UnistackSvcGroup
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:920

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dsetup.dll
      Filesize

      87KB

      MD5

      0a23038ea472ffc938366ef4099d6635

      SHA1

      6499d741776dc4a446c22ea11085842155b34176

      SHA256

      8f2c455c9271290dcde2f68589cf825f9134beecb7e8b7e2ecbcabeab792280a

      SHA512

      dcc1c2ea86fd3a7870cd0369fa42f63d493895c546dcdd492ee19079a0d0696d689bbfe7b686d4fa549841896a54e673fc4581b80783d7aa255dfad765b9dc88

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.exe
      Filesize

      487KB

      MD5

      eaa6b5ee297982a6a396354814006761

      SHA1

      780bf9a61c080a335e8712c5544fcbf9c7bdcd72

      SHA256

      d298fd82a39b2385a742ba1992466e081bea0f49e19ece6b2c87c7c262e1fcee

      SHA512

      ebdc887b6b334b7560f85ab2ebd29dc1f3a2dedac7f70042594f2a9bc128b6fca0a0e7704318ed69b7acf097e962533b3ce07713ef80e8acfe09374c13302999

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxwsetup.inf
      Filesize

      477B

      MD5

      ad8982eaa02c7ad4d7cdcbc248caa941

      SHA1

      4ccd8e038d73a5361d754c7598ed238fc040d16b

      SHA256

      d63c35e9b43eb0f28ffc28f61c9c9a306da9c9de3386770a7eb19faa44dbfc00

      SHA512

      5c805d78bafff06c36b5df6286709ddf2d36808280f92e62dc4c285edd9176195a764d5cf0bb000da53ca8bbf66ddd61d852e4259e3113f6529e2d7bdbdd6e28

    • C:\Windows\SysWOW64\directx\websetup\dsetup32.dll
      Filesize

      1.7MB

      MD5

      7672509436485121135c2a0e30b9e9ff

      SHA1

      f557022a9f42fe1303078093e389f21fb693c959

      SHA256

      d7ea3cf1b9b639010005e503877026597a743d1068ae6a453ce77cc202796fea

      SHA512

      e46ff68c4a532017f8ab15b1e46565508f6285b72c7a1cbe964ed5e75320c8e14587d01fee61b3966f43636bfe74cebd21f7665b4a726281e771cf9230e69863

    • memory/920-40-0x0000026135840000-0x0000026135850000-memory.dmp
      Filesize

      64KB

    • memory/920-56-0x0000026135940000-0x0000026135950000-memory.dmp
      Filesize

      64KB

    • memory/920-72-0x000002613DCA0000-0x000002613DCA1000-memory.dmp
      Filesize

      4KB

    • memory/920-74-0x000002613DCD0000-0x000002613DCD1000-memory.dmp
      Filesize

      4KB

    • memory/920-75-0x000002613DCD0000-0x000002613DCD1000-memory.dmp
      Filesize

      4KB

    • memory/920-76-0x000002613DDE0000-0x000002613DDE1000-memory.dmp
      Filesize

      4KB