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Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    01/11/2023, 14:24

General

  • Target

    NEAS.f80d8fab53ab317d9a20fc3790364700.exe

  • Size

    128KB

  • MD5

    f80d8fab53ab317d9a20fc3790364700

  • SHA1

    82263444e522557425cf458bbe832b23ed5b754b

  • SHA256

    e93503ec0e84d8825a902e6bc01e110e21943bd5e02cc14baa0d8ec8928621aa

  • SHA512

    780b09e7f6f807757b3a0c1f2398c886547e542cae7557811dc9769171b15026bf042d2b4246373e172fe49a90b5565719bc88db70c1379082411e2cc8809fec

  • SSDEEP

    3072:T6mSfjauPZJ3RlSHWvtFrNWtozsf4tQ6Qo1DHfHPEkI+kJb9bdXt1:BuRJqHWotwsf4GWH8kdkVv

Score
8/10

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.f80d8fab53ab317d9a20fc3790364700.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.f80d8fab53ab317d9a20fc3790364700.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2888
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {D328821D-ECB1-4693-829D-417C618E4DAC} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2720
    • C:\PROGRA~3\Mozilla\suvkbwn.exe
      C:\PROGRA~3\Mozilla\suvkbwn.exe -tlhykym
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:2640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~3\Mozilla\suvkbwn.exe

    Filesize

    128KB

    MD5

    c07fc5c55c55c60a2053129503da6ad0

    SHA1

    a73955a12090afae551c9fca2b5d836717dd3e9a

    SHA256

    8e1ff18acc3669d224a95159c640197e8c75c0bcdc971722a0ac5c03147bf952

    SHA512

    e8cc0d3028fb2193503b127e03e288af4a13f03ed2bb5b895b1f3bb4d9a289ba63ecc97b89621332cba3b869f78a0c38a408c4cc58a477627c45be34c5d657d6

  • C:\PROGRA~3\Mozilla\suvkbwn.exe

    Filesize

    128KB

    MD5

    c07fc5c55c55c60a2053129503da6ad0

    SHA1

    a73955a12090afae551c9fca2b5d836717dd3e9a

    SHA256

    8e1ff18acc3669d224a95159c640197e8c75c0bcdc971722a0ac5c03147bf952

    SHA512

    e8cc0d3028fb2193503b127e03e288af4a13f03ed2bb5b895b1f3bb4d9a289ba63ecc97b89621332cba3b869f78a0c38a408c4cc58a477627c45be34c5d657d6

  • memory/2640-10-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB

  • memory/2640-11-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB

  • memory/2640-12-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB

  • memory/2640-16-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB

  • memory/2888-1-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB

  • memory/2888-0-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB

  • memory/2888-2-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2888-3-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB

  • memory/2888-7-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB