Analysis

  • max time kernel
    90s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2022, 02:14

General

  • Target
    Setup RC-20 Retro Color v1.0.3.exe
  • Size 45.2MB
  • Sample221231-cpe57aha53
  • SHA256 84c847bc79847a4f31cea2daf17f7dcc0e7535e9ddcaca25db0e0a693f438325
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup RC-20 Retro Color v1.0.3.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup RC-20 Retro Color v1.0.3.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4840
    • C:\Users\Admin\AppData\Local\Temp\is-RB2RM.tmp\Setup RC-20 Retro Color v1.0.3.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-RB2RM.tmp\Setup RC-20 Retro Color v1.0.3.tmp" /SL5="$D0148,46827099,121344,C:\Users\Admin\AppData\Local\Temp\Setup RC-20 Retro Color v1.0.3.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      PID:4364

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        ISSKINU.DLL

        • Path C:\Users\Admin\AppData\Local\Temp\is-M62AO.tmp\ISSKINU.DLL
        • Size 357KB
        • SHA256 e28d16fad16bca8198c47d7dd44acfd362dd6ba1654f700add8aaf2c0732622d
        • MD5 SHA1 SHA512 SSDEEP

        ISSKINU.DLL

        • Path C:\Users\Admin\AppData\Local\Temp\is-M62AO.tmp\ISSKINU.DLL
        • Size 357KB
        • SHA256 e28d16fad16bca8198c47d7dd44acfd362dd6ba1654f700add8aaf2c0732622d
        • MD5 SHA1 SHA512 SSDEEP

        R2RINNO.dll

        • Path C:\Users\Admin\AppData\Local\Temp\is-M62AO.tmp\R2RINNO.dll
        • Size 5KB
        • SHA256 8acb476011e678d569cdc4f00cc5eec068f7418af89230be7d2276e2eaaa9729
        • MD5 SHA1 SHA512 SSDEEP

        Setup RC-20 Retro Color v1.0.3.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-RB2RM.tmp\Setup RC-20 Retro Color v1.0.3.tmp
        • Size 1.1MB
        • SHA256 821bd11693bf4b4b2b9f3c196036e1f4902abd95fb26873ea6c43e123b8c9431
        • MD5 SHA1 SHA512 SSDEEP

        memory/4364-139-0x00000000032D0000-0x0000000003331000-memory.dmp

        memory/4364-141-0x00000000032D0000-0x0000000003331000-memory.dmp

        memory/4840-132-0x0000000000400000-0x0000000000428000-memory.dmp

        memory/4840-142-0x0000000000400000-0x0000000000428000-memory.dmp

        memory/4840-143-0x0000000000400000-0x0000000000428000-memory.dmp