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Resubmissions

08/02/2023, 04:25

230208-e18yragf4s 7

08/02/2023, 04:22

230208-ezmdcshb95 7

Analysis

  • max time kernel
    105s
  • max time network
    193s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/02/2023, 04:22

General

  • Target

    SKlauncher 3.0.exe

  • Size

    1.2MB

  • MD5

    32c7e3347f8e532e675d154eb07f4ccf

  • SHA1

    5ca004745e2cdab497a7d6ef29c7efb25dc4046d

  • SHA256

    107bb526c374d6fd9f45317c0c16e83ab50076f2bcd630caf3d6794596fae69b

  • SHA512

    c82f3a01719f30cbb876a1395fda713ddba07b570bc188515b1b705e54e15a7cca5f71f741d51763f63aa5f40e00df06f63b341ed4db6b1be87b3ee59460dbe2

  • SSDEEP

    24576:Dh199z42ojP6a7HJlF9eu5XFQZSIZeNGdmEE8H17UBcegl:R9zbgH3euNFQZr/oEE892cfl

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Drops file in Program Files directory 12 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 11 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SKlauncher 3.0.exe
    "C:\Users\Admin\AppData\Local\Temp\SKlauncher 3.0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
      "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -Xms32m -Xmx256m -jar "C:\Users\Admin\AppData\Local\Temp\SKlauncher 3.0.exe"
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of SetWindowsHookEx
      PID:4900
  • C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:4900

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\flatlaf.temp\flatlaf-windows-x86_64-4062488437000.dll

    Filesize

    9KB

    MD5

    697d496ac9f5aaab8ae025322358c61e

    SHA1

    2043eac8cdcc2e24b854af1eacd77a5f2a395a27

    SHA256

    a7273a4cf48ab3413f2c186cc95a3367a73ce99f8d45329383219d4cc27003aa

    SHA512

    b6702cd49a3af9f97f697565136f140692af9f8b271e672f2e91c920a23212b778583786f2377078117113647926338614a92c4a2423318b7a21ba2fe3a89838

  • memory/4900-165-0x00007FFA4CB50000-0x00007FFA4CB60000-memory.dmp

    Filesize

    64KB

  • memory/4900-168-0x00007FFA4A2F0000-0x00007FFA4A300000-memory.dmp

    Filesize

    64KB

  • memory/4900-160-0x0000000003560000-0x0000000004560000-memory.dmp

    Filesize

    16.0MB

  • memory/4900-161-0x0000000003560000-0x0000000004560000-memory.dmp

    Filesize

    16.0MB

  • memory/4900-162-0x00007FFA4CB50000-0x00007FFA4CB60000-memory.dmp

    Filesize

    64KB

  • memory/4900-163-0x00007FFA4CB50000-0x00007FFA4CB60000-memory.dmp

    Filesize

    64KB

  • memory/4900-144-0x0000000003560000-0x0000000004560000-memory.dmp

    Filesize

    16.0MB

  • memory/4900-166-0x00007FFA4CB50000-0x00007FFA4CB60000-memory.dmp

    Filesize

    64KB

  • memory/4900-164-0x00007FFA4CB50000-0x00007FFA4CB60000-memory.dmp

    Filesize

    64KB

  • memory/4900-167-0x00007FFA4A2F0000-0x00007FFA4A300000-memory.dmp

    Filesize

    64KB

  • memory/4900-170-0x00007FFA4CB50000-0x00007FFA4CB60000-memory.dmp

    Filesize

    64KB

  • memory/4900-171-0x00007FFA4CB50000-0x00007FFA4CB60000-memory.dmp

    Filesize

    64KB

  • memory/4900-172-0x00007FFA4CB50000-0x00007FFA4CB60000-memory.dmp

    Filesize

    64KB

  • memory/4900-173-0x00007FFA4CB50000-0x00007FFA4CB60000-memory.dmp

    Filesize

    64KB