Analysis

  • max time kernel
    142s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    04-11-2023 09:40

General

  • Target

    71f28227766aa2e636276b5e84402455373411d452865b5e315556a8d495b52b.exe

  • Size

    352KB

  • MD5

    e17edf9c9761e7b263f3e80347c56b4e

  • SHA1

    4d24330757e093640bb12d1effc64db25cad73d2

  • SHA256

    71f28227766aa2e636276b5e84402455373411d452865b5e315556a8d495b52b

  • SHA512

    296ad45e39d3daa136f6f4c70fefc10c4aef4e9cb4da07af811c7089d852b50dedf87d4d3bc3891ad4b6c358a56971ca403f53b55f5f702d521ffc0c7c76978b

  • SSDEEP

    3072:fAAdrtmTu+Bx77F+G9gZ6AGvQl4+1eI7E:VATxx7B+G9gZ6Ae/I

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • Chinese Botnet payload 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 49 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\71f28227766aa2e636276b5e84402455373411d452865b5e315556a8d495b52b.exe
    "C:\Users\Admin\AppData\Local\Temp\71f28227766aa2e636276b5e84402455373411d452865b5e315556a8d495b52b.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2228
  • C:\Program Files (x86)\Hblvhrj.exe
    "C:\Program Files (x86)\Hblvhrj.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Modifies data under HKEY_USERS
    • Suspicious use of WriteProcessMemory
    PID:2580
    • C:\Program Files (x86)\Hblvhrj.exe
      "C:\Program Files (x86)\Hblvhrj.exe" Win7
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      PID:2652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Hblvhrj.exe

    Filesize

    352KB

    MD5

    e17edf9c9761e7b263f3e80347c56b4e

    SHA1

    4d24330757e093640bb12d1effc64db25cad73d2

    SHA256

    71f28227766aa2e636276b5e84402455373411d452865b5e315556a8d495b52b

    SHA512

    296ad45e39d3daa136f6f4c70fefc10c4aef4e9cb4da07af811c7089d852b50dedf87d4d3bc3891ad4b6c358a56971ca403f53b55f5f702d521ffc0c7c76978b

  • C:\Program Files (x86)\Hblvhrj.exe

    Filesize

    352KB

    MD5

    e17edf9c9761e7b263f3e80347c56b4e

    SHA1

    4d24330757e093640bb12d1effc64db25cad73d2

    SHA256

    71f28227766aa2e636276b5e84402455373411d452865b5e315556a8d495b52b

    SHA512

    296ad45e39d3daa136f6f4c70fefc10c4aef4e9cb4da07af811c7089d852b50dedf87d4d3bc3891ad4b6c358a56971ca403f53b55f5f702d521ffc0c7c76978b

  • C:\Program Files (x86)\Hblvhrj.exe

    Filesize

    352KB

    MD5

    e17edf9c9761e7b263f3e80347c56b4e

    SHA1

    4d24330757e093640bb12d1effc64db25cad73d2

    SHA256

    71f28227766aa2e636276b5e84402455373411d452865b5e315556a8d495b52b

    SHA512

    296ad45e39d3daa136f6f4c70fefc10c4aef4e9cb4da07af811c7089d852b50dedf87d4d3bc3891ad4b6c358a56971ca403f53b55f5f702d521ffc0c7c76978b

  • memory/2228-0-0x0000000010000000-0x0000000010018000-memory.dmp

    Filesize

    96KB