Analysis

  • max time kernel
    142s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-10-2023 11:19

General

  • Target

    35024ec1080dbea4c5a2eeeb6bb0e2c1425e4c49e83ace7d10d86a5ed63dab14.exe

  • Size

    25KB

  • MD5

    86dc6e77c4a38d12103474e68e8d4005

  • SHA1

    907ebb2a6c11427d2c5d6bf43800666d28fb282b

  • SHA256

    35024ec1080dbea4c5a2eeeb6bb0e2c1425e4c49e83ace7d10d86a5ed63dab14

  • SHA512

    af3f9989efa193087cb4eff2d0289198637308667af966b2b1a5bf591763db42ef0fb2241ba58bba9479cac35d6f2af18e4948823bb27d58fa5d2ab38619498c

  • 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\35024ec1080dbea4c5a2eeeb6bb0e2c1425e4c49e83ace7d10d86a5ed63dab14.exe
    "C:\Users\Admin\AppData\Local\Temp\35024ec1080dbea4c5a2eeeb6bb0e2c1425e4c49e83ace7d10d86a5ed63dab14.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1076
    • 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:4080

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

    729d71a97adc226449f6c1995a5fba68

    SHA1

    a5b29863284e4bea27823151a58f3d6a3811be18

    SHA256

    e05a6ed935dcd34c612044895ab11f28593a325255bde0ceba012c64c2f0adbd

    SHA512

    6a742e67561f96b804446d98ebef42ef562b1891a502936d8eef847df71c506fa4467d233e72d1dab340f8e35824aaa3eebd02f07b3a90cd031b53f19b91ab81

  • C:\Users\Admin\AppData\Local\Temp\FBStsSILrd0slKD.exe

    Filesize

    25KB

    MD5

    bc1d6006288352711682bfeaf7e054c1

    SHA1

    6b94b100591f5a4dbe5ab19122d9a8f34c4a1727

    SHA256

    4305959679b3899a1343938b92458a16202e37d3ca1b01ec260b5e663fad63b1

    SHA512

    669b331f079c872eaad247f8e066eca2709d5e9cd58e625cea093e61247ec7d6e1f71586e3a0822f06787110ecaae58e3788f09161b039bafb384b6d457c178d

  • 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