Analysis

  • max time kernel
    91s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2022 09:03

General

  • Target

    payload.dll

  • Size

    652KB

  • MD5

    a07d575b289ed3a80357c789fa485f14

  • SHA1

    048acf120fa7a468a0275212b0a1f32ab8e441c2

  • SHA256

    5c09c4175f49c749bf225f84236538086f5b9f1ad8522531fca34739246e4ad9

  • SHA512

    15ef8e78e87dcea54f104f1ee1f005f78343a9b1e0ea941b421e3183da5136c6f158f05961b3016ed8fe485abac9fbfabc6e496a7e791913c672ef03839f842c

  • SSDEEP

    12288:sRcFR26XFHnPGvjihyc3EdnDzxT0hyDEUiKVTOg4KOrrRSGCMNNlwd:sRMBnPGvjih50nDFTXOKV6WsRSqwd

Malware Config

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • FlawedGraceRAT

    FlawedGrace is a full-featured RAT written in C++.

  • FlawedGraceRat Loader 4 IoCs

    Detects FlawedGraceRat x64 loader in memory.

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\payload.dll,#1
    1⤵
      PID:4752

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4752-132-0x00007FFE95990000-0x00007FFE95A33000-memory.dmp
      Filesize

      652KB

    • memory/4752-133-0x000001FDB66E0000-0x000001FDB6781000-memory.dmp
      Filesize

      644KB

    • memory/4752-134-0x000001FDB7FD0000-0x000001FDB8071000-memory.dmp
      Filesize

      644KB

    • memory/4752-135-0x000001FDB66E0000-0x000001FDB6781000-memory.dmp
      Filesize

      644KB

    • memory/4752-136-0x000001FDB8080000-0x000001FDB8121000-memory.dmp
      Filesize

      644KB