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Analysis

  • max time kernel
    33s
  • max time network
    42s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/02/2024, 16:48

General

  • Target

    SkyRysen/SkyRysen.exe

  • Size

    84KB

  • MD5

    6ab9efa8c00bfc58528805978f6e894a

  • SHA1

    944441a3642a47c8b40633462de5876bc3bfb648

  • SHA256

    d8604a6641d5743df9a0324f179476afe197cb63e2b94cbbce78aee2a348b5e1

  • SHA512

    97a12dd1b0cf53b707b7251cbbc1f533fb9f3f9c3244c5f195ceb994a3569c00733580e470a5c43bd811d90e14ab650548a364bd858a00d9672eb4eacb4698a3

  • SSDEEP

    1536:JD9XaiFH+UGPGTLh7CfoWKSO5T3rZ5SwEKSKK9jzpm+:JD9BH+FP+dmpS5TbZ8wEKSKK9jVr

Malware Config

Extracted

Family

phemedrone

C2

https://api.telegram.org/bot6678158569:AAGCj_95yYZbARbtI5kniGnlVkd_CTO8lfI/sendMessage?chat_id=6303202637

Signatures

  • Phemedrone

    An information and wallet stealer written in C#.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SkyRysen\SkyRysen.exe
    "C:\Users\Admin\AppData\Local\Temp\SkyRysen\SkyRysen.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3380
  • C:\Windows\system32\wbem\WmiApSrv.exe
    C:\Windows\system32\wbem\WmiApSrv.exe
    1⤵
      PID:3604

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3380-0-0x0000000000D30000-0x0000000000D4C000-memory.dmp

      Filesize

      112KB

    • memory/3380-1-0x00007FFD8EFB0000-0x00007FFD8FA71000-memory.dmp

      Filesize

      10.8MB

    • memory/3380-2-0x000000001BD20000-0x000000001BD30000-memory.dmp

      Filesize

      64KB

    • memory/3380-3-0x00007FFD8EFB0000-0x00007FFD8FA71000-memory.dmp

      Filesize

      10.8MB

    • memory/3380-4-0x00007FFD8EFB0000-0x00007FFD8FA71000-memory.dmp

      Filesize

      10.8MB