Analysis

  • max time kernel
    37s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    18-08-2022 13:52

General

  • Target

    Server.zp.exe

  • Size

    636KB

  • MD5

    f8679f43fd59185c80ed2a33c578bfdc

  • SHA1

    85fe30dda2bffc4cee09112039a62aa213c45ea7

  • SHA256

    8e016ae7a6e986c9c57284c8677d455ca29d71c01e9e9bb2c9d99f6b8ef97a2a

  • SHA512

    89505707d11c7be877af2776a3ffc2674378036e15629dd425d53aab8f7e86a9dfcbc7ad2b10be778b87d1f20df5503b64825ec6834b64fb726e9a3b12a5cf0c

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • Chinese Botnet payload 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Server.zp.exe
    "C:\Users\Admin\AppData\Local\Temp\Server.zp.exe"
    1⤵
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:1452

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1452-54-0x0000000075041000-0x0000000075043000-memory.dmp

    Filesize

    8KB

  • memory/1452-55-0x0000000000400000-0x000000000055E000-memory.dmp

    Filesize

    1.4MB

  • memory/1452-56-0x0000000000220000-0x000000000025F000-memory.dmp

    Filesize

    252KB

  • memory/1452-57-0x00000000002B0000-0x00000000002B4000-memory.dmp

    Filesize

    16KB

  • memory/1452-58-0x00000000002A0000-0x00000000002A6000-memory.dmp

    Filesize

    24KB

  • memory/1452-59-0x0000000010000000-0x0000000010018000-memory.dmp

    Filesize

    96KB