Analysis

  • max time kernel
    121s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-02-2024 18:50

General

  • Target

    ac9838eccb489ac681ad7c32a82a69b3.xlsm

  • Size

    369KB

  • MD5

    ac9838eccb489ac681ad7c32a82a69b3

  • SHA1

    105a8bc6e20c2789b0c4edc0d462ace6988d5195

  • SHA256

    08d5c791dafbb2e7a6ffbad4ab6145ebfa70a1edbb22ca1247b0a4b6beb88426

  • SHA512

    00615abd46fad0c35ebb20a6bc06b011e181b958b90efc4e44e3a94cb730ac5cffe337a320d9b4ebc0503b4bbab068054af162e427947ed4307ba64d6c0a1282

  • SSDEEP

    6144:Qp9HMInvpPbR/5L4YvQ6bgcsEEmi+efMi0oGS1ji0NcYaRUZXcbScPYCvSzd8:Qp9tRbtp4Wl8cnEQeNGv0ik5ew8

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 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 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\ac9838eccb489ac681ad7c32a82a69b3.xlsm
    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:2536
    • C:\Windows\SysWOW64\mshta.exe
      mshta C:\ProgramData\dCnYDZfVBfE.sct
      2⤵
      • Process spawned unexpected child process
      PID:2456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\dCnYDZfVBfE.sct

    Filesize

    17KB

    MD5

    1cce17c8c4782ef351ca32db47c1edfa

    SHA1

    ca0979d2bb678fd9d97ad6cfcf03e0c133baf7a5

    SHA256

    ae52264507303cddbe4a8913b4c1ae6297e2008ae4014aa2ea20aaf14521ff98

    SHA512

    0177249820238d84084aef91298452a8ca9b2f6de6204271e2a3d5b3addd9f12f2d8b9bb15612691255e2342e52aebf9b716969e7b0bb4d15932b3d51d1f9339

  • memory/2536-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2536-1-0x000000007200D000-0x0000000072018000-memory.dmp

    Filesize

    44KB

  • memory/2536-8-0x000000007200D000-0x0000000072018000-memory.dmp

    Filesize

    44KB

  • memory/2536-11-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2536-13-0x000000007200D000-0x0000000072018000-memory.dmp

    Filesize

    44KB