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Analysis

  • max time kernel
    133s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/10/2023, 17:31

General

  • Target

    NEAS.e6e5d4840250a3eb75f6951a813f8f30.exe

  • Size

    25KB

  • MD5

    e6e5d4840250a3eb75f6951a813f8f30

  • SHA1

    6bac39c696db3cc27bae55dc9ecc20aefe61585e

  • SHA256

    0dd63722602b73f6738822e09e832b64aa1b116e7f72204e5e63bb288f4ea364

  • SHA512

    bd858c2337def7e1b46ba8ba330e9a8b97970a555a5ceee34cfd43e12cf58176f2def727becaa8b352507119683cb1a603230e520ad3cdbbb26fd7972756966c

  • SSDEEP

    384:qc0J+vqBoLotA8oPNIrxKRQSv7QrzVVvOytGxboE9K/mKHrjpjvR:8Q3LotOPNSQVwVVxGKEvKHrVR

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\NEAS.e6e5d4840250a3eb75f6951a813f8f30.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.e6e5d4840250a3eb75f6951a813f8f30.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5040
    • 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:2560

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

    348KB

    MD5

    377c92769e6623bd3e8829e14d766a5c

    SHA1

    c5370989b1a31be2046eea0a9edeb4cbffc4f91b

    SHA256

    2516b5d1927534f4fa4b57f96a7cb19c140249d4059c894ce1cbd7ed307489e2

    SHA512

    f026883df8b296e39b33c6022349916a60fb79c19c6c78a3c596df4eaa67cc32579432185271538e3f10a7d3705cdb424cd934e4ee48b47b74b664a19a7d4975

  • C:\Users\Admin\AppData\Local\Temp\37rkpFm2drSjbAH.exe

    Filesize

    25KB

    MD5

    fa315a354b189578db6c81f16931aa7f

    SHA1

    816a21e1ad10e100743186c656ec65d136d6f1c7

    SHA256

    512c2a531feb293b52a28743aa47b08c89f04b93bf293ef94c0940a3cb236f0c

    SHA512

    4e739f92a71d59d17a805ec7557bad4b851eafa1e274a0c1c50259e39d6be6b7c550e3191d44b9c851849c427823a9347ce96fd1c9f945dbaf3d838db4085f85

  • 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