Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-02-2024 01:23

General

  • Target

    a7dc2a5a6f629576fcff7b9791ff3ee3.xlsm

  • Size

    255KB

  • MD5

    a7dc2a5a6f629576fcff7b9791ff3ee3

  • SHA1

    6d0a818934d7d5489eaa15b77d79a63fbceb158b

  • SHA256

    426946d8ed48e925bab206bab04553b9701327f683da4ef385e2c475b377b515

  • SHA512

    b26de0ebd7bb20b91f91c06420bafb1bb544c6e6ba76b4f989f8052f2387bff68be5f82f4144ff670dc3b31ec74027893aa2c9c3325ab225b57db24a39ae5385

  • SSDEEP

    6144:StNSLcq+YXEsJup/asVPNdPWokl1DqWjgdFcbHUE:CPYXEsJupCsFdeokX+/dF0HUE

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.

  • Blocklisted process makes network request 2 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\a7dc2a5a6f629576fcff7b9791ff3ee3.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3104
    • C:\Windows\SYSTEM32\MSHTA.exe
      MSHTA C:\ProgramData\rsXNAUle.sct
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      PID:2024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\rsXNAUle.sct

    Filesize

    25KB

    MD5

    4453758761ffec13d7397a2337afa0f7

    SHA1

    9c640be200413c634845195841bb5aacddc5ae12

    SHA256

    12787b5f4e0bc853f75509661c69abec6bf6fc5f9375b19e2dad4a77174d39a1

    SHA512

    b38cd74a2fe188b9a1fef9fbb3c525af34aae4d72367bf64c9a1e678af4775937f219c829d2e416291dca480610a1e4df498d973f1d10e73dab5c6d311b3ffc7

  • memory/3104-14-0x00007FF869DB0000-0x00007FF869FA5000-memory.dmp

    Filesize

    2.0MB

  • memory/3104-3-0x00007FF869DB0000-0x00007FF869FA5000-memory.dmp

    Filesize

    2.0MB

  • memory/3104-17-0x00007FF869DB0000-0x00007FF869FA5000-memory.dmp

    Filesize

    2.0MB

  • memory/3104-6-0x00007FF829E30000-0x00007FF829E40000-memory.dmp

    Filesize

    64KB

  • memory/3104-5-0x00007FF869DB0000-0x00007FF869FA5000-memory.dmp

    Filesize

    2.0MB

  • memory/3104-2-0x00007FF829E30000-0x00007FF829E40000-memory.dmp

    Filesize

    64KB

  • memory/3104-7-0x00007FF869DB0000-0x00007FF869FA5000-memory.dmp

    Filesize

    2.0MB

  • memory/3104-8-0x00007FF829E30000-0x00007FF829E40000-memory.dmp

    Filesize

    64KB

  • memory/3104-9-0x00007FF869DB0000-0x00007FF869FA5000-memory.dmp

    Filesize

    2.0MB

  • memory/3104-10-0x00007FF869DB0000-0x00007FF869FA5000-memory.dmp

    Filesize

    2.0MB

  • memory/3104-11-0x00007FF869DB0000-0x00007FF869FA5000-memory.dmp

    Filesize

    2.0MB

  • memory/3104-12-0x00007FF869DB0000-0x00007FF869FA5000-memory.dmp

    Filesize

    2.0MB

  • memory/3104-13-0x00007FF869DB0000-0x00007FF869FA5000-memory.dmp

    Filesize

    2.0MB

  • memory/3104-1-0x00007FF869DB0000-0x00007FF869FA5000-memory.dmp

    Filesize

    2.0MB

  • memory/3104-59-0x00007FF869DB0000-0x00007FF869FA5000-memory.dmp

    Filesize

    2.0MB

  • memory/3104-4-0x00007FF829E30000-0x00007FF829E40000-memory.dmp

    Filesize

    64KB

  • memory/3104-18-0x00007FF869DB0000-0x00007FF869FA5000-memory.dmp

    Filesize

    2.0MB

  • memory/3104-15-0x00007FF869DB0000-0x00007FF869FA5000-memory.dmp

    Filesize

    2.0MB

  • memory/3104-19-0x00007FF827960000-0x00007FF827970000-memory.dmp

    Filesize

    64KB

  • memory/3104-0-0x00007FF829E30000-0x00007FF829E40000-memory.dmp

    Filesize

    64KB

  • memory/3104-37-0x00007FF869DB0000-0x00007FF869FA5000-memory.dmp

    Filesize

    2.0MB

  • memory/3104-38-0x00007FF869DB0000-0x00007FF869FA5000-memory.dmp

    Filesize

    2.0MB

  • memory/3104-52-0x00007FF829E30000-0x00007FF829E40000-memory.dmp

    Filesize

    64KB

  • memory/3104-54-0x00007FF829E30000-0x00007FF829E40000-memory.dmp

    Filesize

    64KB

  • memory/3104-55-0x00007FF869DB0000-0x00007FF869FA5000-memory.dmp

    Filesize

    2.0MB

  • memory/3104-53-0x00007FF829E30000-0x00007FF829E40000-memory.dmp

    Filesize

    64KB

  • memory/3104-57-0x00007FF869DB0000-0x00007FF869FA5000-memory.dmp

    Filesize

    2.0MB

  • memory/3104-56-0x00007FF829E30000-0x00007FF829E40000-memory.dmp

    Filesize

    64KB

  • memory/3104-58-0x00007FF869DB0000-0x00007FF869FA5000-memory.dmp

    Filesize

    2.0MB

  • memory/3104-16-0x00007FF827960000-0x00007FF827970000-memory.dmp

    Filesize

    64KB