Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 00:44

General

  • Target

    7a7688cd6f7077b47529fd6263bcc395b91b0966492aa71fad97580edfa8f862.xls

  • Size

    71KB

  • MD5

    7d7d21d0c976b9711aa88f72bacc8f13

  • SHA1

    544b7bd2a8422f013cdd5dd85d679fbf1d4ca486

  • SHA256

    7a7688cd6f7077b47529fd6263bcc395b91b0966492aa71fad97580edfa8f862

  • SHA512

    df1c0634912caff5ad17ef2a1ed47a2f6c2a7348887cff482ce089aff883c1f08d7c8b679709243aa33ed36b491faf3844488c1e4d5fde5bb27d534cff5acfe8

  • SSDEEP

    1536:DhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+gH+hDcnTLiQrRTZws8EYO:FKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMv

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://papillonweb.fr/wp-content/G8z08q0mj/

xlm40.dropper

http://brennanasia.com/images/6IwPBHbnUvfgugV1b/

xlm40.dropper

https://estacioesportivavilanovailageltru.cat/tmp/IgSyqwgJmE/

Signatures

  • Process spawned unexpected child process 3 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 21 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\7a7688cd6f7077b47529fd6263bcc395b91b0966492aa71fad97580edfa8f862.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:2512
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\usoiy1.ocx
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:2372
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\usoiy2.ocx
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:2564
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\usoiy3.ocx
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:2784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\usoiy1.ocx

    Filesize

    111KB

    MD5

    a32ddff026d0c45aec7bf4c84fb00e6f

    SHA1

    377fa6800165a19b9f2b760ba1b970ab3c09d3ae

    SHA256

    79a01b0fa26cfd15bd528c57d32d2bb6e6a984f2b0f4d95d7b24dfcf1dcb89e9

    SHA512

    de15e922e1bf7c43e73050acaedaa1b9c7978cf3ac29ccd24ce114617a93cd6d6fa035f9226bd32fa2c72892ffb8fdf92665b322e90ffeb82d85f306ee30cf9e

  • C:\Users\Admin\usoiy3.ocx

    Filesize

    75KB

    MD5

    ffd79b4df56bb1e902578e2588599ae3

    SHA1

    3160854d43f2ec7e4e9a16d5a899c13252de72c0

    SHA256

    d3bb6a91a281cb5d3c8080effa3a39a20e994604b7282e0cdc4e8c602ea482df

    SHA512

    16c317a3f84920100ec157e37df569c37358aa97640f7f140e0e8f5508e06f0ca0fe7f7d6ba61dbc60897393e735d2899597f634478ee3ca584e4f0240c6e13b

  • memory/2512-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2512-1-0x000000007371D000-0x0000000073728000-memory.dmp

    Filesize

    44KB

  • memory/2512-17-0x000000007371D000-0x0000000073728000-memory.dmp

    Filesize

    44KB