Analysis

  • max time kernel
    142s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2023 12:58

General

  • Target

    e8d222c2ba65a6a506d0caeb4641a92b74aabf3040d130b5e438679ddc878b64.exe

  • Size

    26KB

  • MD5

    1cac3f22db814f00bc838492a99d9ad4

  • SHA1

    d5d4d6102d41cf02385e411b361ca31001124682

  • SHA256

    e8d222c2ba65a6a506d0caeb4641a92b74aabf3040d130b5e438679ddc878b64

  • SHA512

    accbed886cabcbeed1f0586edaedfa526127647a3cb1f0f894a8a6fe26d71e315c13b302a813901faa766d36dae35c6711344b659032c5c2c232d17a9bc7ed06

  • SSDEEP

    384:qc0J+vqBoLotA8oPNIrxKRQSv7QrzVVvOytGxboE9K/mKHrjpjvuD:8Q3LotOPNSQVwVVxGKEvKHrVG

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e8d222c2ba65a6a506d0caeb4641a92b74aabf3040d130b5e438679ddc878b64.exe
    "C:\Users\Admin\AppData\Local\Temp\e8d222c2ba65a6a506d0caeb4641a92b74aabf3040d130b5e438679ddc878b64.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:452
    • C:\Windows\spoolsv.exe
      "C:\Windows\spoolsv.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • NTFS ADS
      • Suspicious use of AdjustPrivilegeToken
      PID:3348

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

    Filesize

    347KB

    MD5

    f483720e103301e5a03d89055d1ab11e

    SHA1

    fca12f10f61413debaaf6af26ec4e3c4f08a1d41

    SHA256

    8a9252e52ac34b36f8b3bc7059c2e11f76ca20945a847cb18e5ca7089f00e347

    SHA512

    2d6fcd2324e7372ff3aea7525af70f95c8851b63f3f40ca9314e76fa8b198a3c76692a82ae50e17cb9dc52d1dacef885708b9b9ccef9f1e04b37381c330c9af8

  • C:\Users\Admin\AppData\Local\Temp\BQnWOGTqM1LhoZp.exe

    Filesize

    553B

    MD5

    f8f99a4ae1cddbe17de6bfa97ed0f8ea

    SHA1

    81d540170cf2f239bbb4c77d0bc4999fe61ebaca

    SHA256

    65431e93241361a44d18911be838a402f975eb00f78c7b22a1243ec43d8e2d9f

    SHA512

    315a79c3d3ba8ed67f90c632e29d97592399ddccdddcea32a37ea8ebbe5d03cf44180a12860d6a01375768ffe09d6f0ee06bbdcd46bfc7541e45accc68232ae4

  • C:\Windows\spoolsv.exe

    Filesize

    25KB

    MD5

    82071fd2379c64429acf376487fcddff

    SHA1

    2da42c7eaa62ecee65757b441c939f12b52228fb

    SHA256

    272bd07fa6c2678fd96a026237a184fceffa65d319f6844bac582aff90ce25d8

    SHA512

    194bdbdf624ec425a095a44116032687c46b3e2370f3c436e2d5516dcc778824ff57fa69edfacb42e5e76e05894eb0a40acf32dcee3b80ba397f823ec82b6adb

  • C:\Windows\spoolsv.exe

    Filesize

    25KB

    MD5

    82071fd2379c64429acf376487fcddff

    SHA1

    2da42c7eaa62ecee65757b441c939f12b52228fb

    SHA256

    272bd07fa6c2678fd96a026237a184fceffa65d319f6844bac582aff90ce25d8

    SHA512

    194bdbdf624ec425a095a44116032687c46b3e2370f3c436e2d5516dcc778824ff57fa69edfacb42e5e76e05894eb0a40acf32dcee3b80ba397f823ec82b6adb