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Analysis

  • max time kernel
    147s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2023, 02:28

General

  • Target

    98b60df6d419c1ae26f5c583b09d21e7ee1c1398d0246acb4247da358a839ef9.exe

  • Size

    25KB

  • MD5

    7e8af5d45a0ce7c8d70faf23bac628a5

  • SHA1

    c4be328046c589c3346437f9f0adbe239059ae8a

  • SHA256

    98b60df6d419c1ae26f5c583b09d21e7ee1c1398d0246acb4247da358a839ef9

  • SHA512

    656b6bc5d9413b29562f42990d02486631316b15799e7b142ccba2df3bb644bde1d9f01a264578585ec29b0ca54fa4e99397fa494f1a670a79e81159f942cfe7

  • SSDEEP

    384:qc0J+vqBoLotA8oPNIrxKRQSv7QrzVVvOytGxboE9K/mKHrjpjvAty:8Q3LotOPNSQVwVVxGKEvKHrV1

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\98b60df6d419c1ae26f5c583b09d21e7ee1c1398d0246acb4247da358a839ef9.exe
    "C:\Users\Admin\AppData\Local\Temp\98b60df6d419c1ae26f5c583b09d21e7ee1c1398d0246acb4247da358a839ef9.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1652
    • 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:3596

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

    349KB

    MD5

    7a3bd6a426e5c42cfcd5999c36f6cd74

    SHA1

    774cbf9085110a0a4cba8430fd6621e6cc19ea59

    SHA256

    e4edb37729ae9202f3c64479f237efef3772691704f55d8d893fb33c6705e238

    SHA512

    a2115d9ad058f45e063bdea29d84993364fcf760294fcac42c9faf14da4691f060d829ec9c4f2464d8dfa5339f77a54731e8288525847b0bec4582f372bc1bc3

  • C:\Users\Admin\AppData\Local\Temp\hqbcDkDIDcSBmc7.exe

    Filesize

    25KB

    MD5

    263634328d5efc4905196202cac9daa8

    SHA1

    97169afa4d46252d7fd0d7caa3b68b6a3f86657a

    SHA256

    ca593f7a0a04c4b083738636397fd94bf3706f9c8e410cf7f58ec768b47ae4d1

    SHA512

    a7302638df627d69b95751230eac458377699c70eec4a64d036a7c32fe82b09433fbd48acc2fbc4d4b47f8fdb65d1e0987f32a516871d0f9caa5133013ee5122

  • 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