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Analysis

  • max time kernel
    140s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/09/2023, 08:35

General

  • Target

    bdbca811bcc6060f4ae37c854c3c363aafbc002910ac718406a9de03eb8ec71b.exe

  • Size

    25KB

  • MD5

    d0baefa8ba0dc4e338500df24329a11b

  • SHA1

    cf962a6c90c5fb2709702f58dff0a2ff6f7ad2b5

  • SHA256

    bdbca811bcc6060f4ae37c854c3c363aafbc002910ac718406a9de03eb8ec71b

  • SHA512

    440c2556bb0f6cee7de32fdb8b6bcf9866ce3c2139d2ad3ed9be618859ebab901c320fdf20be723eb0e8b9b51411e0ef3b45ef75eaaaf4bd09483e5995d113ad

  • SSDEEP

    384:qc0J+vqBoLotA8oPNIrxKRQSv7QrzVVvOytGxboE9K/mKHrjpjvx:8Q3LotOPNSQVwVVxGKEvKHrVx

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\bdbca811bcc6060f4ae37c854c3c363aafbc002910ac718406a9de03eb8ec71b.exe
    "C:\Users\Admin\AppData\Local\Temp\bdbca811bcc6060f4ae37c854c3c363aafbc002910ac718406a9de03eb8ec71b.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4192
    • 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:2432

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

    3cfc06d3fbb32ca5a78a26df571742ee

    SHA1

    9a79182b0abe530c282de4d8c6c902a875ed786a

    SHA256

    ea9572076746f141abf6568282bf6dec278f120e45f42b9c5092da0a3f964156

    SHA512

    fc5739f215cb9840fba2eb035b97c49fce1889a766a1cdb574c573b08fc61af11ce911a98a72e0aeeb9cb13cb8d894945a4772c447ccdf779ab19f55019162ab

  • C:\Users\Admin\AppData\Local\Temp\wG72g3cShH1BSwd.exe

    Filesize

    25KB

    MD5

    0302d2432aa3cf307f732d6db169ac34

    SHA1

    f9417354938674124d0ce6879bc3ca07fabaa0d2

    SHA256

    295676df3231cfcf6c80639592d6cd8ad243bcdb4f0aeb08e070c38d776666bd

    SHA512

    0b61c4958199650a5a0db2566c2d36f76770dcacfb13ab26463c5f44f6c201178c7baba6bcb4d483b01a1b649fe8253cd7ffea4ff10de9b164495c5c9a354c85

  • 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