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Analysis

  • max time kernel
    90s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/06/2024, 04:59

General

  • Target

    f25a11d56e825a527b8467b9b0b25caf28124c0395d5a5f4d90b16de298a28f9.exe

  • Size

    134KB

  • MD5

    7e35192dff05223013b36738165e828b

  • SHA1

    3dce19d1e456f3a309b2405296a0239d21bbd276

  • SHA256

    f25a11d56e825a527b8467b9b0b25caf28124c0395d5a5f4d90b16de298a28f9

  • SHA512

    affe3a3ce4b910b91082f945595c0e3e503b1eff0095570511357cf81f779d13ddea067c3c534ce577e194d5d927b155fd79efee25a8551b54107d0eab59f3eb

  • SSDEEP

    1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QH:riAyLN9aa+9U2rW1ip6pr2At7NZuQH

Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 4 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f25a11d56e825a527b8467b9b0b25caf28124c0395d5a5f4d90b16de298a28f9.exe
    "C:\Users\Admin\AppData\Local\Temp\f25a11d56e825a527b8467b9b0b25caf28124c0395d5a5f4d90b16de298a28f9.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3972
    • C:\ProgramData\Update\WwanSvc.exe
      "C:\ProgramData\Update\WwanSvc.exe" /run
      2⤵
      • Executes dropped EXE
      PID:2780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Update\WwanSvc.exe

    Filesize

    134KB

    MD5

    ab3c93906163b2dd8e4728b69c699b82

    SHA1

    bac520132515de492078006a1451d019bfbf8e83

    SHA256

    0d53c69d325063c31c0611c8edb78b60005de003fab35ef3b4a810f290fcc7ec

    SHA512

    dfb08b1ae1c51b3f9c216a47793855e5931aff46220e7e7b828952d1d638728ba1a279f1325e7bfb3931da5075234e5100933e086e3c7ea5d5b84e59eae27cd5

  • memory/2780-5-0x0000000000BC0000-0x0000000000BE8000-memory.dmp

    Filesize

    160KB

  • memory/2780-6-0x0000000000BC0000-0x0000000000BE8000-memory.dmp

    Filesize

    160KB

  • memory/3972-2-0x0000000000120000-0x0000000000148000-memory.dmp

    Filesize

    160KB