Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/01/2024, 19:12

General

  • Target

    RFQ-High Star.exe

  • Size

    432KB

  • MD5

    8f7596194540848a34760575eb00b636

  • SHA1

    bbb8ad4edae483048d9785e29b829fbfadcbd371

  • SHA256

    c3c08b94e956165562366c14e6ace4a5fe4c66edb0e47628ad94883e02f719ce

  • SHA512

    f280f059b1126b6107ffdaa59b84c72bf643ed6b2de2ffd448409cb91c744eb41838cd38c5062270a9fb2cb74d3f82320d532a709243001ea6dec0f07980e6df

  • SSDEEP

    6144:P8LxBfsjPzbYSQN5DGHGCPLJqzXhCni57u6IUGiTNJy59IDhN4Uy3Veyky43lWoW:esjbDQOHtkLhSy/aEV6UyoykL19in

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 56 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3464
    • C:\Users\Admin\AppData\Local\Temp\RFQ-High Star.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ-High Star.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4756
      • C:\Users\Admin\AppData\Local\Temp\hzejkkd.exe
        "C:\Users\Admin\AppData\Local\Temp\hzejkkd.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:3772
        • C:\Users\Admin\AppData\Local\Temp\hzejkkd.exe
          "C:\Users\Admin\AppData\Local\Temp\hzejkkd.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          PID:4192
    • C:\Windows\SysWOW64\takeown.exe
      "C:\Windows\SysWOW64\takeown.exe"
      2⤵
      • Modifies file permissions
      • Suspicious use of SetThreadContext
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2528
      • C:\Program Files\Mozilla Firefox\Firefox.exe
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        3⤵
          PID:1032

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      261KB

      MD5

      6433e88c2c73b93e935c74e650fee81d

      SHA1

      4293beea2045cf34746a003ebe779f2302a177f5

      SHA256

      f16e83d67d23cae50e5c0b8881ff8206e4e73b026229396615d0b8bd2caec7b0

      SHA512

      f3f1d02345034397ee5e7866ec9d3638f054e4395fe82cbf79bf10e0062ae70bce4d50ffeff018392f85b4799e3bd715780b670606a1decfbe34899805563db7

    • C:\Users\Admin\AppData\Local\Temp\yrbzhqik.d

      Filesize

      270KB

      MD5

      f78710ac81ff52b67ca6470a196b5bee

      SHA1

      a0a97137ea9c264f93bef3521b4ef3913ad0c2c0

      SHA256

      82c34e24229c16808fc8baa06413187efa5ca0ab93a9efe807409c1c661cf449

      SHA512

      f1d6331a0f23c228ca248bed2763700b9879b31f309fdaa21e57dd7ea67199333dbde7b74e121c09b119a11d4e10db8a6b32b909274c5886484d2fa3bdc628c6

    • memory/2528-25-0x00000000010F0000-0x000000000118D000-memory.dmp

      Filesize

      628KB

    • memory/2528-27-0x0000000000910000-0x000000000094C000-memory.dmp

      Filesize

      240KB

    • memory/2528-24-0x0000000000910000-0x000000000094C000-memory.dmp

      Filesize

      240KB

    • memory/2528-23-0x0000000001200000-0x000000000154A000-memory.dmp

      Filesize

      3.3MB

    • memory/2528-19-0x0000000000910000-0x000000000094C000-memory.dmp

      Filesize

      240KB

    • memory/2528-28-0x00000000010F0000-0x000000000118D000-memory.dmp

      Filesize

      628KB

    • memory/2528-18-0x0000000000910000-0x000000000094C000-memory.dmp

      Filesize

      240KB

    • memory/3464-29-0x0000000002E70000-0x0000000002F37000-memory.dmp

      Filesize

      796KB

    • memory/3464-30-0x0000000002E70000-0x0000000002F37000-memory.dmp

      Filesize

      796KB

    • memory/3464-17-0x000000000CAC0000-0x000000000E25A000-memory.dmp

      Filesize

      23.6MB

    • memory/3464-26-0x000000000CAC0000-0x000000000E25A000-memory.dmp

      Filesize

      23.6MB

    • memory/3464-37-0x0000000002E70000-0x0000000002F37000-memory.dmp

      Filesize

      796KB

    • memory/3772-9-0x0000000000400000-0x0000000000446000-memory.dmp

      Filesize

      280KB

    • memory/3772-5-0x0000000000400000-0x0000000000446000-memory.dmp

      Filesize

      280KB

    • memory/4192-14-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/4192-22-0x0000000000900000-0x000000000091E000-memory.dmp

      Filesize

      120KB

    • memory/4192-15-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/4192-16-0x0000000000900000-0x000000000091E000-memory.dmp

      Filesize

      120KB

    • memory/4192-7-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/4192-20-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/4192-12-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/4192-11-0x0000000000A10000-0x0000000000D5A000-memory.dmp

      Filesize

      3.3MB

    • memory/4192-10-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB