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Analysis

  • max time kernel
    169s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/01/2023, 19:21

General

  • Target

    dd4e8e0fd585c1811d0c6a28405310bc0d5128080a618ee5558debcb79b87a47.xls

  • Size

    36KB

  • MD5

    8012d8e92997788ba4d64c50e907a8de

  • SHA1

    8ce95bc91bc7deebd53c8d20cfff4c801ce654eb

  • SHA256

    dd4e8e0fd585c1811d0c6a28405310bc0d5128080a618ee5558debcb79b87a47

  • SHA512

    141c7341416a97f49763609d24554dd270574621e62fba97aaf9df0306fe4e6d35725f7ecf0ba29273213a6c418507b22dbf9184db8e54f92f02fb6d658e06af

  • SSDEEP

    768:VPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJq0Yrw65bESS:dok3hbdlylKsgqopeJBWhZFGkE+cL2Ne

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 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\dd4e8e0fd585c1811d0c6a28405310bc0d5128080a618ee5558debcb79b87a47.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4304
    • C:\Windows\explorer.exe
      explorer.exe C:\Users\Public\Documents\hrsSZO9.vbs
      2⤵
      • Process spawned unexpected child process
      PID:2168
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2660
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\hrsSZO9.vbs"
      2⤵
        PID:1308

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Public\Documents\hrsSZO9.vbs

      Filesize

      534B

      MD5

      c4dd4930afc21dd1b17bad504c484c59

      SHA1

      bae6e409a96a4687dc568a55b6b531ee80ac4562

      SHA256

      51f2a70447259d678e2215db26a759d7cdc81dc847ca6ac7bf3a921c75311462

      SHA512

      5c752b03efe0c71208bc223be442d9aca289d7da7639d3c35e784ef274714a2eecc05ec78d51f38f88ab1179819ea5674e5456198aed5cb15c1ee38b021230f9

    • memory/4304-132-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp

      Filesize

      64KB

    • memory/4304-133-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp

      Filesize

      64KB

    • memory/4304-134-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp

      Filesize

      64KB

    • memory/4304-135-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp

      Filesize

      64KB

    • memory/4304-136-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp

      Filesize

      64KB

    • memory/4304-137-0x00007FFDD0F00000-0x00007FFDD0F10000-memory.dmp

      Filesize

      64KB

    • memory/4304-138-0x00007FFDD0F00000-0x00007FFDD0F10000-memory.dmp

      Filesize

      64KB