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Analysis

  • max time kernel
    207s
  • max time network
    208s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2023, 23:02

General

  • Target

    86251a7f3672bb32477a89d21eab79979fa8eb69a8daa2cde5757e9e63122b1e.exe

  • Size

    25KB

  • MD5

    29afbc2fd7a154c6137f6caa2a57e818

  • SHA1

    e442fd8112231e2dd02b008bf89fe8d07a1ba558

  • SHA256

    86251a7f3672bb32477a89d21eab79979fa8eb69a8daa2cde5757e9e63122b1e

  • SHA512

    a879121d52711c4c84d5dc1330864e120f2a8e74eead130d6d8e95ae7eb59ba805c9f9f94e57cd7c955b9c008e4a4b6f9f9d21913fa17a99af50456cfeadbcd3

  • SSDEEP

    384:qc0J+vqBoLotA8oPNIrxKRQSv7QrzVVvOytGxboE9K/mKHrjpjvb:8Q3LotOPNSQVwVVxGKEvKHrVb

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\86251a7f3672bb32477a89d21eab79979fa8eb69a8daa2cde5757e9e63122b1e.exe
    "C:\Users\Admin\AppData\Local\Temp\86251a7f3672bb32477a89d21eab79979fa8eb69a8daa2cde5757e9e63122b1e.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3636
    • 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:1896

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

    987feefbf62aa079939a7942b717b317

    SHA1

    79189d094b35da8f61e76ba511ad2390862e710c

    SHA256

    ecf793be45e04fc3cacbf59126207aac407d48c1e1ba60b36d48036abcc90b7f

    SHA512

    8e3a6c3fe34080641be17c9f4d08cb7f75aa6976903beaa3c37cd6c28f8f60ec8746ec65eb3b77c81db25f93c2c34a4a52a8dec046a3a0fef6e00380b03ac4b8

  • C:\Users\Admin\AppData\Local\Temp\BXhL1ATztza58aS.exe

    Filesize

    25KB

    MD5

    16c1965f918d0473ebae74668a546c6d

    SHA1

    e73ce7f4f0c858318d08f8fdf85c172388b9f254

    SHA256

    74a3c1ea817f693fe827f7be36ff775e02d753ce804772e1afdc8b0d1cda580f

    SHA512

    929ef7a7de2a52cb0c45fa5b6bdb83a84ab3b8f5396e2fd042c77a8cb750b093d0ef617cac9cada1517b168a4c0808b9529c7d6377b501977fe331dec2fc5734

  • 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