Overview

overview

10

Static

static

3

shao.exe

windows7-x64

10

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General

  • Target

    shao.exe

  • Size

    55KB

  • Sample

    230708-wygvxsab4w

  • MD5

    578e629bf7d06a6c9d6ca3b9886e57d6

  • SHA1

    0d8338e886f8ede4bc1707ac7dd615fc0f04c62f

  • SHA256

    a99cde4467e750e6d5f95b8395f18f5fdc308cff2b120563cb822aec488891d8

  • SHA512

    d4c8a862a8e359fd2e2f62a4a5bb6112e760ae8d8d189d77bd1583be9299cb754a126ae0f6cc5e78f28d40cb319d06a035cbdb2b51e15ef0d3704f38da6e427f

  • SSDEEP

    1536:ONeRBl5PT/rx1mzwRMSTdLpJM3Vz40Weq:OQRrmzwR5JgV5S

Score
10/10
phobosevasionpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      shao.exe

    • Size

      55KB

    • MD5

      578e629bf7d06a6c9d6ca3b9886e57d6

    • SHA1

      0d8338e886f8ede4bc1707ac7dd615fc0f04c62f

    • SHA256

      a99cde4467e750e6d5f95b8395f18f5fdc308cff2b120563cb822aec488891d8

    • SHA512

      d4c8a862a8e359fd2e2f62a4a5bb6112e760ae8d8d189d77bd1583be9299cb754a126ae0f6cc5e78f28d40cb319d06a035cbdb2b51e15ef0d3704f38da6e427f

    • SSDEEP

      1536:ONeRBl5PT/rx1mzwRMSTdLpJM3Vz40Weq:OQRrmzwR5JgV5S

    Score
    10/10
    phobosevasionpersistenceransomwarespywarestealer

    • Phobos

      Phobos ransomware appeared at the beginning of 2019.

      ransomwarephobos

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Renames multiple (63) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Modifies Windows Firewall

      evasion

    • Drops startup file

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1

MITRE ATT&CK Enterprise v6

Tasks