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Analysis

  • max time kernel
    141s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 03:55

General

  • Target

    271b9aa2476aca33609c50c52ae89af2.xlsm

  • Size

    320KB

  • MD5

    271b9aa2476aca33609c50c52ae89af2

  • SHA1

    c16c72b53a97fd5685e27ecb0a7adb5f64f8c9a2

  • SHA256

    0b421b87c36302cbad0135de0e6e6f4ff8968e3d2d4ea9d5bda1462d8ef14e49

  • SHA512

    6a284f9969a080a45acfefb7923e8d7d71d96550d9001bcd1def8ad0a39353b68e5f7d90081939cd7cabb91ed3ab880aa023d223970e0b164311a0e87b07817b

  • SSDEEP

    6144:STtZbAPPimNA/kjoitkGchiByRwhMOSTTcoKf6nhYYMfxg3wmhE0qf:otZbAPDNAcM2coByRwMOSTwNf6nhYYMV

Score
10/10

Malware Config

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 6 IoCs
  • 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 use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 2 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\271b9aa2476aca33609c50c52ae89af2.xlsm"
    1⤵
    • 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:2428
    • C:\Windows\SYSTEM32\MSHTA.exe
      MSHTA C:\ProgramData\bFWERerWbW.sct
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      PID:1020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\bFWERerWbW.sct

    Filesize

    26KB

    MD5

    f3d9981eafeaed7b4240d7922de3bce9

    SHA1

    f63f8fb2ea189a2f23a77300eb4b86f4d75dc745

    SHA256

    ea9fe0f7858931e74974e3712923942f9ba9be883ec32e06b8b62d009e3b026e

    SHA512

    ad065d44ec4b3536fa27bd144ae1410295170cba2190bac6816fcf046d136ca4bcdabe9b33aff4830cd53aa3cea6ab7d3ff7569a2dfd613662c5e2a66ac7b69a

  • memory/2428-16-0x00007FF97D1F0000-0x00007FF97D3E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2428-18-0x00007FF97D1F0000-0x00007FF97D3E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2428-2-0x00007FF97D1F0000-0x00007FF97D3E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2428-4-0x00007FF93D270000-0x00007FF93D280000-memory.dmp

    Filesize

    64KB

  • memory/2428-7-0x00007FF93D270000-0x00007FF93D280000-memory.dmp

    Filesize

    64KB

  • memory/2428-6-0x00007FF97D1F0000-0x00007FF97D3E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2428-5-0x00007FF97D1F0000-0x00007FF97D3E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2428-8-0x00007FF97D1F0000-0x00007FF97D3E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2428-17-0x00007FF97D1F0000-0x00007FF97D3E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2428-10-0x00007FF97D1F0000-0x00007FF97D3E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2428-12-0x00007FF97D1F0000-0x00007FF97D3E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2428-11-0x00007FF93A910000-0x00007FF93A920000-memory.dmp

    Filesize

    64KB

  • memory/2428-13-0x00007FF97D1F0000-0x00007FF97D3E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2428-14-0x00007FF97D1F0000-0x00007FF97D3E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2428-3-0x00007FF93D270000-0x00007FF93D280000-memory.dmp

    Filesize

    64KB

  • memory/2428-15-0x00007FF97D1F0000-0x00007FF97D3E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2428-9-0x00007FF97D1F0000-0x00007FF97D3E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2428-0-0x00007FF93D270000-0x00007FF93D280000-memory.dmp

    Filesize

    64KB

  • memory/2428-19-0x00007FF97D1F0000-0x00007FF97D3E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2428-20-0x00007FF97D1F0000-0x00007FF97D3E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2428-21-0x00007FF97D1F0000-0x00007FF97D3E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2428-22-0x00007FF93A910000-0x00007FF93A920000-memory.dmp

    Filesize

    64KB

  • memory/2428-29-0x00007FF97D1F0000-0x00007FF97D3E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2428-30-0x00007FF97D1F0000-0x00007FF97D3E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2428-34-0x00007FF97D1F0000-0x00007FF97D3E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2428-1-0x00007FF93D270000-0x00007FF93D280000-memory.dmp

    Filesize

    64KB

  • memory/2428-66-0x00007FF93D270000-0x00007FF93D280000-memory.dmp

    Filesize

    64KB

  • memory/2428-67-0x00007FF93D270000-0x00007FF93D280000-memory.dmp

    Filesize

    64KB

  • memory/2428-68-0x00007FF93D270000-0x00007FF93D280000-memory.dmp

    Filesize

    64KB

  • memory/2428-69-0x00007FF93D270000-0x00007FF93D280000-memory.dmp

    Filesize

    64KB

  • memory/2428-70-0x00007FF97D1F0000-0x00007FF97D3E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2428-71-0x00007FF97D1F0000-0x00007FF97D3E5000-memory.dmp

    Filesize

    2.0MB