General

  • Target

    SYSTEM.Critical.Upgrade.Win10.0.ba45bd8ee89b1.js

  • Size

    217KB

  • Sample

    220920-qc8tmachh3

  • MD5

    0fd4c12239b945723e6c622d48f07979

  • SHA1

    22cbc2c26832c8c3dd4be9c7fe6bbe94dbfbcdb2

  • SHA256

    dfa32d8ed7c429b020c0581148a55bc752c35834d7a2b1bae886f2b436285c94

  • SHA512

    a37affd28bc088ff6a27ac22e69e2479c2b4eeb015fd8d284097ce174f2ca6af87719b205d0e9fb5e6b3bfcf4bfb7fd21f64956eb173adfe854b3dc10db3c40b

  • SSDEEP

    1536:t0AGu7QKLA6Yw14Gl1SSHwb5Wo3ayPu8Iow7of50bgd0BwNH2UB7zyigICK5iu/d:6Tmp25gfWPV

Malware Config

Targets

    • Target

      SYSTEM.Critical.Upgrade.Win10.0.ba45bd8ee89b1.js

    • Size

      217KB

    • MD5

      0fd4c12239b945723e6c622d48f07979

    • SHA1

      22cbc2c26832c8c3dd4be9c7fe6bbe94dbfbcdb2

    • SHA256

      dfa32d8ed7c429b020c0581148a55bc752c35834d7a2b1bae886f2b436285c94

    • SHA512

      a37affd28bc088ff6a27ac22e69e2479c2b4eeb015fd8d284097ce174f2ca6af87719b205d0e9fb5e6b3bfcf4bfb7fd21f64956eb173adfe854b3dc10db3c40b

    • SSDEEP

      1536:t0AGu7QKLA6Yw14Gl1SSHwb5Wo3ayPu8Iow7of50bgd0BwNH2UB7zyigICK5iu/d:6Tmp25gfWPV

    • Detect magniber ransomware

    • Magniber Ransomware

      Ransomware family widely seen in Asia being distributed by the Magnitude exploit kit.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Modifies boot configuration data using bcdedit

    • Deletes System State backups

      Uses wbadmin.exe to inhibit system recovery.

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

MITRE ATT&CK Enterprise v6

Tasks