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Analysis

  • max time kernel
    108s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 06:57

General

  • Target

    119749d597548e920588cb8cbe72ff2e.exe

  • Size

    1.3MB

  • MD5

    119749d597548e920588cb8cbe72ff2e

  • SHA1

    0e85ceb4ec72720deca37803d873ccdacef9af9f

  • SHA256

    1ea1028025522a23f44fd7420403f488621eeaf8f4bb5b6b47f8bc7b213f06a6

  • SHA512

    20e579cef074438fd130bb8ceea3b6ab09ba5c9c49a675b64ec0ffd843ab6a3b2b2345a9b77805650352260e9c748f4de7e3f6abb373cc9377821e5ba4231e27

  • SSDEEP

    24576:y6rT9SSZ7+w8gLDw0PxEUB8Yoyl2G5eTJMvyTaNAUnAyFmn8Wse:yC9Sy7+3gY0PxEUBroyl2DrTaNhOFse

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 28 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Suspicious behavior: LoadsDriver 13 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\119749d597548e920588cb8cbe72ff2e.exe
    "C:\Users\Admin\AppData\Local\Temp\119749d597548e920588cb8cbe72ff2e.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2464
    • C:\Program Files\5678soft\nbclient\JKNBMS.exe
      "C:\Program Files\5678soft\nbclient\JKNBMS.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Modifies Internet Explorer settings
      • Modifies Internet Explorer start page
      PID:2760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2464-31-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/2760-33-0x0000000000020000-0x0000000000035000-memory.dmp

    Filesize

    84KB

  • memory/2760-36-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2760-42-0x0000000000400000-0x00000000005EE000-memory.dmp

    Filesize

    1.9MB

  • memory/2760-43-0x0000000000020000-0x0000000000035000-memory.dmp

    Filesize

    84KB

  • memory/2760-46-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2760-48-0x0000000000020000-0x0000000000035000-memory.dmp

    Filesize

    84KB

  • memory/2760-47-0x0000000000400000-0x00000000005EE000-memory.dmp

    Filesize

    1.9MB

  • memory/2760-62-0x0000000000020000-0x0000000000035000-memory.dmp

    Filesize

    84KB