Analysis

  • max time kernel
    142s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-11-2024 15:52

General

  • Target

    7c280fec65c7f99c3a85d44c03574d92bb0c2e32bc4fd0265fcdf19dd5f1f14c.xls

  • Size

    53KB

  • MD5

    192e8820909fc0fd8958cf6cfda9810c

  • SHA1

    d310a322d95637d835b33e684e3bf397fd4cb1cc

  • SHA256

    7c280fec65c7f99c3a85d44c03574d92bb0c2e32bc4fd0265fcdf19dd5f1f14c

  • SHA512

    3699eec9d8763b5a5f833587b8fdd71bcbdd685d8f4af454aa2a3fe26aed3e03925629bd6f4954599b072c753850a5a65bd39e61759730f0e2ea13b31f529cd6

  • SSDEEP

    1536:vcTKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgHpQvKr:v2Kpb8rGYrMPe3q7Q0XV5xtezEsi8/d+

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://colordropsgu.com/7DORfidiAu/BquoSU/

xlm40.dropper

https://ewingconsulting.com/buy/Ewj7oYjhYQ/

xlm40.dropper

https://ceramicalafortaleza.com/css/5DSBCCH0/

xlm40.dropper

http://thuybaohuy.com/wp-content/VxhkYwH7/

Signatures

  • Process spawned unexpected child process 4 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 28 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\7c280fec65c7f99c3a85d44c03574d92bb0c2e32bc4fd0265fcdf19dd5f1f14c.xls
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\cui1.ocx
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:3000
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\cui2.ocx
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:1580
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\cui3.ocx
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:592
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\cui4.ocx
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabB426.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarB448.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1984-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1984-1-0x0000000073CED000-0x0000000073CF8000-memory.dmp

    Filesize

    44KB

  • memory/1984-125-0x0000000073CED000-0x0000000073CF8000-memory.dmp

    Filesize

    44KB