General

  • Target

    Tax Challan.xlsm

  • Size

    88KB

  • Sample

    200716-eyffyzbqms

  • MD5

    8927ad6be7ff24a708641467b7f699d5

  • SHA1

    9973dad26ac516f3a4f413624fa908a828e5df9b

  • SHA256

    5f005ef79f2a337aa3e3537f304316bdb931dffa3cecacadc1cd094c1414bf4f

  • SHA512

    fa5d459357e53bdf963126d3f0fa7fc840a6bb62448807f9ee8e38e65a58d0f9f00c0bdefcb0df3a6186843e80e9870df2c7ae455fbb623dfc92264e5dddea34

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://jurec.mx/doc.exe

Targets

    • Target

      Tax Challan.xlsm

    • Size

      88KB

    • MD5

      8927ad6be7ff24a708641467b7f699d5

    • SHA1

      9973dad26ac516f3a4f413624fa908a828e5df9b

    • SHA256

      5f005ef79f2a337aa3e3537f304316bdb931dffa3cecacadc1cd094c1414bf4f

    • SHA512

      fa5d459357e53bdf963126d3f0fa7fc840a6bb62448807f9ee8e38e65a58d0f9f00c0bdefcb0df3a6186843e80e9870df2c7ae455fbb623dfc92264e5dddea34

    Score
    10/10
    • Process spawned unexpected child process

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

    • Blacklisted process makes network request

    • Executes dropped EXE

    • Sets DLL path for service in the registry

    • Drops startup file

    • 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

    • JavaScript code in executable

    • Modifies WinLogon

    • Drops file in System32 directory

    • Modifies service

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks