Resubmissions

10-11-2024 11:13

241110-nbvt9swcmh 7

10-11-2024 11:05

241110-m64vzsymbn 10

Analysis

  • max time kernel
    233s
  • max time network
    203s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10-11-2024 11:13

General

  • Target

    release.rar

  • Size

    783KB

  • MD5

    1f4bdbaaf4a9997b0519dfec1116375c

  • SHA1

    5b0d7aca31b38fea1628012eed2d272f452246ee

  • SHA256

    06e548f88374459b49acf9269c108040582f602cde52e5f1e1e02ef1b89b4fea

  • SHA512

    3497bbfbdfa024e8e8672c85ee1217e1adbce506df04a27058bf1b9e3bcd17fc80a73dd4e4fbfabd06ce97572af3b30fb2ac45e706a87a95ab8b08e0fd1997b3

  • SSDEEP

    24576:5opkq75paphGwjhaAFnWt66OncboOILA76Ga1eESXxly3g:ap5WljIAFnWqncboOWGaMgQ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\release.rar"
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2888
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1812
    • C:\Users\Admin\Desktop\release\builder.exe
      "C:\Users\Admin\Desktop\release\builder.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3032

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\Desktop\release\builder.exe

      Filesize

      10KB

      MD5

      4f04f0e1ff050abf6f1696be1e8bb039

      SHA1

      bebf3088fff4595bfb53aea6af11741946bbd9ce

      SHA256

      ded51c306ee7e59fa15c42798c80f988f6310ea77ab77de3d12dc01233757cfa

      SHA512

      94713824b81de323e368fde18679ef8b8f2883378bffd2b7bd2b4e4bd5d48b35c6e71c9f8e9b058ba497db1bd0781807e5b7cecfd540dad611da0986c72b9f12

    • memory/3032-10-0x000000007441E000-0x000000007441F000-memory.dmp

      Filesize

      4KB

    • memory/3032-11-0x0000000000130000-0x0000000000138000-memory.dmp

      Filesize

      32KB

    • memory/3032-12-0x0000000004FD0000-0x0000000005576000-memory.dmp

      Filesize

      5.6MB

    • memory/3032-13-0x0000000004AC0000-0x0000000004B52000-memory.dmp

      Filesize

      584KB

    • memory/3032-14-0x0000000074410000-0x0000000074BC1000-memory.dmp

      Filesize

      7.7MB

    • memory/3032-15-0x0000000004AB0000-0x0000000004ABA000-memory.dmp

      Filesize

      40KB

    • memory/3032-16-0x000000007441E000-0x000000007441F000-memory.dmp

      Filesize

      4KB

    • memory/3032-17-0x0000000074410000-0x0000000074BC1000-memory.dmp

      Filesize

      7.7MB