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Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-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 4 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:1668
    • 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:2120

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\l3xfYeZsV6Tf0VS.exe

    Filesize

    25KB

    MD5

    aaad60cc4396d9549abdef568e5677f6

    SHA1

    1e2f33c76fe121f24a5c9f1d8aa86a15e3904d82

    SHA256

    2590ceb90e84456299d26149753f25db1307b9007b83487ee8a33f93c24fbfa9

    SHA512

    4632b19c94fc2e684099918fa6dcfd71916cde5d2c979b811d3c48fe00b315b050eafe5e6b3d56d6ff0827a12d28a3f08f6d48587ae8ea097574408288b716fc

  • C:\Users\Admin\AppData\Local\Temp\l3xfYeZsV6Tf0VS.exe

    Filesize

    25KB

    MD5

    aaad60cc4396d9549abdef568e5677f6

    SHA1

    1e2f33c76fe121f24a5c9f1d8aa86a15e3904d82

    SHA256

    2590ceb90e84456299d26149753f25db1307b9007b83487ee8a33f93c24fbfa9

    SHA512

    4632b19c94fc2e684099918fa6dcfd71916cde5d2c979b811d3c48fe00b315b050eafe5e6b3d56d6ff0827a12d28a3f08f6d48587ae8ea097574408288b716fc

  • 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