General

  • Target

    10f2af74b935ffc5664a6a9bf0d141f30777e4211ef4d75ad65c6db77554cbfb.bat

  • Size

    32KB

  • Sample

    241122-cjst4askay

  • MD5

    35dfb522fddada4616e915fb17888e31

  • SHA1

    8fbbfe83e8f5faa59037fbbf4fd97bc2c78f95e6

  • SHA256

    10f2af74b935ffc5664a6a9bf0d141f30777e4211ef4d75ad65c6db77554cbfb

  • SHA512

    9e35fa005d0e1756bcf45b43db52c7be1ff584f8cdbf4349c06d6cabdff03acd1ea32c2e3cfc72cbd28b7d41853b2e7c44784b5d1e585b7fae2dc480e60305a5

  • SSDEEP

    384:UuGq+dSBNrJ0AKr6CLNOPKQdKJGE9v62FTJsN/6SdRfIeq2sOGLtY6:mq+dSBNdBKrhLNJL8E9rTJsNCSE3w96

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://www.dropbox.com/scl/fi/qukhm5nxh9vj4yeib9imn/20_Advertising_Campaign_and_Collaboration.docx?rlkey=wbac1g8wzi5e49dnttqx9sv3h&st=g4q7mwtc&dl=1

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://gitlab.com/bosechang/mkt/-/raw/main/20Fukrun.zip

Targets

    • Target

      10f2af74b935ffc5664a6a9bf0d141f30777e4211ef4d75ad65c6db77554cbfb.bat

    • Size

      32KB

    • MD5

      35dfb522fddada4616e915fb17888e31

    • SHA1

      8fbbfe83e8f5faa59037fbbf4fd97bc2c78f95e6

    • SHA256

      10f2af74b935ffc5664a6a9bf0d141f30777e4211ef4d75ad65c6db77554cbfb

    • SHA512

      9e35fa005d0e1756bcf45b43db52c7be1ff584f8cdbf4349c06d6cabdff03acd1ea32c2e3cfc72cbd28b7d41853b2e7c44784b5d1e585b7fae2dc480e60305a5

    • SSDEEP

      384:UuGq+dSBNrJ0AKr6CLNOPKQdKJGE9v62FTJsN/6SdRfIeq2sOGLtY6:mq+dSBNdBKrhLNJL8E9rTJsNCSE3w96

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks