Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-02-2024 10:15

General

  • Target

    ae44481e40a79ab9e42345967853a91f.xlsb

  • Size

    371KB

  • MD5

    ae44481e40a79ab9e42345967853a91f

  • SHA1

    75ba1eae505a453424464f8483d40b4f4935f61c

  • SHA256

    7c3736d3a14fe8777d1fee62ddfdd65ace4b726c4bd0f93e885d6d8b623f1110

  • SHA512

    ce5a14b8ecfcf35556720964f32e876dc51bed99886a8538396b2410b217d89951b3c2369320988a2953c0b137b21aeb658c9c4ae502793f4b71ffa2c26e971b

  • SSDEEP

    6144:oF6nB9I6fidRM2LohOGYw6CC5jTT453mjEIbWiGVAKSLFN+YInSCRvuPsxNP:06nB9TfUzL2OGY/TTy2jEIJc6FNu3uPq

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.

  • 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 AdjustPrivilegeToken 40 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 4 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\ae44481e40a79ab9e42345967853a91f.xlsb
    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:1620
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic process call create 'mshta C:\ProgramData\EYUPuGD.sct'
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of AdjustPrivilegeToken
      PID:2556
  • C:\Windows\system32\mshta.exe
    mshta C:\ProgramData\EYUPuGD.sct
    1⤵
    • Process spawned unexpected child process
    PID:2444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\EYUPuGD.sct

    Filesize

    14KB

    MD5

    5378dec3c38dcba8471e5a4ecc07ff81

    SHA1

    faa36a49f3f65c58c6e4fedaf888595e23eaee1b

    SHA256

    b8b05a2393c287be823eb6f407a2c03ac0f7c20cab2abf646f2b935b124d05c8

    SHA512

    6de349ba9da58fb7d8ba7bdb19682f45f704b253407319c353f94a64c3b8fec8f61cb23fb4d0ea2ce44a4ba128e6356be7a86b012616d7aeee1e5bcbe8e3c241

  • memory/1620-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1620-1-0x0000000071ECD000-0x0000000071ED8000-memory.dmp

    Filesize

    44KB

  • memory/1620-9-0x0000000071ECD000-0x0000000071ED8000-memory.dmp

    Filesize

    44KB

  • memory/1620-12-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1620-19-0x0000000071ECD000-0x0000000071ED8000-memory.dmp

    Filesize

    44KB