Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    30-04-2024 03:36

General

  • Target

    08ef5a78797711af0272d3c359542c0f_JaffaCakes118.xls

  • Size

    226KB

  • MD5

    08ef5a78797711af0272d3c359542c0f

  • SHA1

    28c9a4510f85c7ac448d4eff9e4a52ee52b5df6c

  • SHA256

    6d621aff2dbcb6279bc1144dcd581cf0879a03d94a6b2a73dde2e67ffc0e6a0a

  • SHA512

    be08ebcedc2c663bc2365bd7f635e627162f976f615bbefea513a87eaad3b5817e3298c8247c8049cca59ebdedfeb1220d8ecbf03541c27809f558aa92eea9d3

  • SSDEEP

    6144:1k3hOdsylKlgxopeiBNhZF+E+W2kdAKRfjpozsCYKPcVe9QmkHHkw2iB4OYrjjuf:SKICYKPcVe9QmkHHkw2iB4OYrjjuxwcp

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://jumper.rocks/wp-index.php

xlm40.dropper

https://jumper.yoga/wp-index.php

Signatures

  • Process spawned unexpected child process 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 14 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\08ef5a78797711af0272d3c359542c0f_JaffaCakes118.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Windows\SysWOW64\explorer.exe
      explorer.exe C:\Users\Admin\AppData\Local\Temp\ajIe7F8T.vbs
      2⤵
      • Process spawned unexpected child process
      PID:2956
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\LLOa.html,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2836
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\ajIe7F8T.vbs"
      2⤵
        PID:1808

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\NJ23eWZ.txt

      Filesize

      3B

      MD5

      21438ef4b9ad4fc266b6129a2f60de29

      SHA1

      5eb8e2242eeb4f5432beeec8b873f1ab0a6b71fd

      SHA256

      13bf7b3039c63bf5a50491fa3cfd8eb4e699d1ba1436315aef9cbe5711530354

      SHA512

      37436ced85e5cd638973e716d6713257d692f9dd2e1975d5511ae3856a7b3b9f0d9e497315a058b516ab31d652ea9950938c77c1ad435ea8d4b49d73427d1237

    • C:\Users\Admin\AppData\Local\Temp\ajIe7F8T.vbs

      Filesize

      333B

      MD5

      a73527c912517b49332bf7af804dfead

      SHA1

      e13f08115fa2ed39ae8da4d00533ac6a388c424b

      SHA256

      dfe6a46cfbf17f518272033e442528f9b92cfca7f6f317515ccb3ea7d0db9265

      SHA512

      4766bce75825256f680c523128db085a99c55e4cc18f4e34d2e6d06b0ed8a741cc67371efa4a3c4f7221fccbf49102d8fe176e4fbe56c763a235e40930d0b254

    • memory/2100-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2100-1-0x00000000723ED000-0x00000000723F8000-memory.dmp

      Filesize

      44KB

    • memory/2100-6-0x00000000723ED000-0x00000000723F8000-memory.dmp

      Filesize

      44KB

    • memory/2100-7-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2100-8-0x00000000723ED000-0x00000000723F8000-memory.dmp

      Filesize

      44KB