Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    04-01-2022 22:34

General

  • Target

    超级录屏_012518458.exe

  • Size

    1.0MB

  • MD5

    afb5eb75439fa4ecf9528e6f6f801cbc

  • SHA1

    de092c132dac08a4658574c27c9d69a118a21192

  • SHA256

    2a31d6d76afa26824ce81b6e69397d078607a62c783f8edf2146249c9cb6c29a

  • SHA512

    f44de18f8f9b66ddb906f9e8399362ed883c4065931f07e8a5283af04e1cc437ae225d574882955261cac218c914c7ddddcd9ef6827c018d582b95a25c86cb72

Malware Config

Signatures

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\超级录屏_012518458.exe
    "C:\Users\Admin\AppData\Local\Temp\超级录屏_012518458.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    PID:3140

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Bootkit

1
T1067

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

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Downloads