Analysis

  • max time kernel
    144s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    13-05-2021 12:59

General

  • Target

    catalog-302819507.xls

  • Size

    367KB

  • MD5

    7cd289674eb32dd66ca11eb987b0ea23

  • SHA1

    75fa773c49265152ee07a41f878ac8a31d232f51

  • SHA256

    741afede521126dd9b5ee2dcf538c0e1ee2feea11c7355ad3c12dd2e464fdcf9

  • SHA512

    244037f410611173d99fd6966b7ddac9dd7c0d223d6dbd82d5c8773d41940bfbae2278e16a88400c796b8c82be7e38aae616610d3473955e105f4412ee07b230

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 2 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • 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 SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 4 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\catalog-302819507.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2116
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\tuti.rut,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2948
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\tuti.rut1,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2388

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2116-114-0x00007FF668F00000-0x00007FF66C4B6000-memory.dmp
    Filesize

    53.7MB

  • memory/2116-115-0x00007FF8383E0000-0x00007FF8383F0000-memory.dmp
    Filesize

    64KB

  • memory/2116-116-0x00007FF8383E0000-0x00007FF8383F0000-memory.dmp
    Filesize

    64KB

  • memory/2116-117-0x00007FF8383E0000-0x00007FF8383F0000-memory.dmp
    Filesize

    64KB

  • memory/2116-118-0x00007FF8383E0000-0x00007FF8383F0000-memory.dmp
    Filesize

    64KB

  • memory/2116-121-0x00007FF858F10000-0x00007FF859FFE000-memory.dmp
    Filesize

    16.9MB

  • memory/2116-122-0x00007FF8383E0000-0x00007FF8383F0000-memory.dmp
    Filesize

    64KB

  • memory/2116-123-0x0000016496920000-0x0000016498815000-memory.dmp
    Filesize

    31.0MB

  • memory/2388-180-0x0000000000000000-mapping.dmp
  • memory/2948-179-0x0000000000000000-mapping.dmp