Analysis

  • max time kernel
    184s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2023 07:47

General

  • Target

    5d75be100260055c4ebc572168c23033.xls

  • Size

    35KB

  • MD5

    5d75be100260055c4ebc572168c23033

  • SHA1

    d8b07eff6861699f9a131d4be50bbff5ad6a8f4c

  • SHA256

    94c44883536d1e3cee76df9aa7505836833bbc9c0d0703afaed532ef4b7cc373

  • SHA512

    5453a8ce21b5349fdd00332460eee9a6b76fbdee38e817d33822f3a422f80d8880d75a1cbb3da1758e1d323ad76283aa27869c5fbce4ea1424ca67b543445f05

  • SSDEEP

    768:vPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJPlMaPjzciK2UKAScaBKpb:Hok3hbdlylKsgqopeJBWhZFGkE+cL2Nx

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • 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 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\5d75be100260055c4ebc572168c23033.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3936
    • C:\Windows\explorer.exe
      explorer.exe C:\Users\Public\Documents\Aw9v1H.vbs
      2⤵
      • Process spawned unexpected child process
      PID:3060
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3988
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\Aw9v1H.vbs"
      2⤵
        PID:1640

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Public\Documents\Aw9v1H.vbs

      Filesize

      542B

      MD5

      48f6780ed19cfbc0e7f66696accf64ee

      SHA1

      fdfbcdd23409894d5156f95d688428cea8e1c3cb

      SHA256

      e47dfbd60c55410574fb5c578be6c653798cdc3a0a123197b0021595ffdcfab3

      SHA512

      55f2af8b127116256e21bd17178594edb33d0cd606c60ff03f07a885f9132c00c8b12d5ab920b1c2bfe1bd0d10b23c9ec4eb8393096075e5c8296c6def3c7fca

    • memory/3936-16-0x00007FFE16090000-0x00007FFE16285000-memory.dmp

      Filesize

      2.0MB

    • memory/3936-3-0x00007FFDD6110000-0x00007FFDD6120000-memory.dmp

      Filesize

      64KB

    • memory/3936-20-0x00007FFE16090000-0x00007FFE16285000-memory.dmp

      Filesize

      2.0MB

    • memory/3936-21-0x00007FFE16090000-0x00007FFE16285000-memory.dmp

      Filesize

      2.0MB

    • memory/3936-6-0x00007FFE16090000-0x00007FFE16285000-memory.dmp

      Filesize

      2.0MB

    • memory/3936-5-0x00007FFDD6110000-0x00007FFDD6120000-memory.dmp

      Filesize

      64KB

    • memory/3936-8-0x00007FFE16090000-0x00007FFE16285000-memory.dmp

      Filesize

      2.0MB

    • memory/3936-7-0x00007FFDD6110000-0x00007FFDD6120000-memory.dmp

      Filesize

      64KB

    • memory/3936-11-0x00007FFE16090000-0x00007FFE16285000-memory.dmp

      Filesize

      2.0MB

    • memory/3936-10-0x00007FFE16090000-0x00007FFE16285000-memory.dmp

      Filesize

      2.0MB

    • memory/3936-15-0x00007FFE16090000-0x00007FFE16285000-memory.dmp

      Filesize

      2.0MB

    • memory/3936-0-0x00007FFDD6110000-0x00007FFDD6120000-memory.dmp

      Filesize

      64KB

    • memory/3936-36-0x00007FFE16090000-0x00007FFE16285000-memory.dmp

      Filesize

      2.0MB

    • memory/3936-1-0x00007FFDD6110000-0x00007FFDD6120000-memory.dmp

      Filesize

      64KB

    • memory/3936-4-0x00007FFE16090000-0x00007FFE16285000-memory.dmp

      Filesize

      2.0MB

    • memory/3936-22-0x00007FFE16090000-0x00007FFE16285000-memory.dmp

      Filesize

      2.0MB

    • memory/3936-19-0x00007FFDD3DE0000-0x00007FFDD3DF0000-memory.dmp

      Filesize

      64KB

    • memory/3936-17-0x00007FFE16090000-0x00007FFE16285000-memory.dmp

      Filesize

      2.0MB

    • memory/3936-14-0x00007FFE16090000-0x00007FFE16285000-memory.dmp

      Filesize

      2.0MB

    • memory/3936-13-0x00007FFE16090000-0x00007FFE16285000-memory.dmp

      Filesize

      2.0MB

    • memory/3936-12-0x00007FFDD3DE0000-0x00007FFDD3DF0000-memory.dmp

      Filesize

      64KB

    • memory/3936-9-0x00007FFE16090000-0x00007FFE16285000-memory.dmp

      Filesize

      2.0MB

    • memory/3936-2-0x00007FFE16090000-0x00007FFE16285000-memory.dmp

      Filesize

      2.0MB

    • memory/3936-34-0x00007FFE16090000-0x00007FFE16285000-memory.dmp

      Filesize

      2.0MB

    • memory/3936-35-0x00007FFE16090000-0x00007FFE16285000-memory.dmp

      Filesize

      2.0MB

    • memory/3936-18-0x00007FFE16090000-0x00007FFE16285000-memory.dmp

      Filesize

      2.0MB