Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20/11/2024, 14:01

General

  • Target

    1508c5172f9a2a3bac47d878f67e10c5debb3beb58a86223ac2beb49d1a77e4c.xls

  • Size

    95KB

  • MD5

    3186ea1421ef263e2851058d3570cfd3

  • SHA1

    1792cae0cec27c7be0b199bab666b31629103f79

  • SHA256

    1508c5172f9a2a3bac47d878f67e10c5debb3beb58a86223ac2beb49d1a77e4c

  • SHA512

    e0c5e405638f345d38626af300b0ac32ca53f2ab57712b839d74ad284fd3d0030a49e699f8da645c1866301446ca8a84090038da3c6cf28bde1723459fcb1f54

  • SSDEEP

    1536:iFKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgBHuS4hcTO97v7UYdEJm8q:cKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgC

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://atperson.com/campusvirtual/3aAaeSKPaURF/

xlm40.dropper

https://buffetmazzi.com.br/ckfinder/i/

xlm40.dropper

http://atici.net/c/MgEC/

xlm40.dropper

http://www.birebiregitim.net/wp-includes/f/

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\1508c5172f9a2a3bac47d878f67e10c5debb3beb58a86223ac2beb49d1a77e4c.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:2116
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:1432
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:1936
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:2036
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:1612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabD166.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarD188.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2116-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2116-1-0x000000007227D000-0x0000000072288000-memory.dmp

    Filesize

    44KB

  • memory/2116-124-0x000000007227D000-0x0000000072288000-memory.dmp

    Filesize

    44KB