General

  • Target

    VIRGINIA-TAX-RETURN-2021-US-EXT.bin

  • Size

    4.5MB

  • Sample

    220812-r5jkwaedfn

  • MD5

    e302ec600c469b71aca2876efe3a81a0

  • SHA1

    da63fbb7f05c213dfb07cb1fe93b92fcf251c8b7

  • SHA256

    d70365481fb4806130743afd199697eb981a0eb2756754ecc548f5b30c2203a5

  • SHA512

    45f8dcb0178398990c9ffe19fc162e4f47b612f119a7e5017749f3570467de7237c7f4cb79992f93e987181b3b2cd42dce50502286184d9269895e2421064a8c

Malware Config

Targets

    • Target

      VIRGINIA-TAX-RETURN-2021-US-EXT.bin

    • Size

      4.5MB

    • MD5

      e302ec600c469b71aca2876efe3a81a0

    • SHA1

      da63fbb7f05c213dfb07cb1fe93b92fcf251c8b7

    • SHA256

      d70365481fb4806130743afd199697eb981a0eb2756754ecc548f5b30c2203a5

    • SHA512

      45f8dcb0178398990c9ffe19fc162e4f47b612f119a7e5017749f3570467de7237c7f4cb79992f93e987181b3b2cd42dce50502286184d9269895e2421064a8c

    • NetWire RAT payload

    • Netwire

      Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Tasks