General

  • Target
    19082026_0956_19082026_2026081957382049_setup.zip
  • Size 645KB
  • Sample260819-lyhr4sttb1
  • SHA256 72e8545f82529955a7189bb0131c25146de31bc9b7bdb75dd956365ebffa3400
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • valleyrat_s2

Version
  • 1.0

C2
  • 170.62.130.47:449

  • 170.62.130.47:443

Targets

    • Target
      2026081857382049_setup.exe
    • Size 1.6MB
    • SHA256 86b34bd9245e406c15c88d0b5b8b11ae34f52bf1c16a1e0a0bfe80780efbda8c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects ValleyRAT payload

    • Family: ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      msvcp140.dll
    • Size 572KB
    • SHA256 b5400f8454276f1adf944d8ba393866ca423603254baf88bca7dc4c1cf762116
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      vcruntime140.dll
    • Size 127KB
    • SHA256 98aea63f7c88d733504c08b165fd68a917e256f2cfaeaa742323ef6dddbbce29
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      vcruntime140_1.dll
    • Size 58KB
    • SHA256 1a1ca015a830a357ad5ec882845d732a60368b6c0d8247a009140cd518377f73
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10

MITRE ATT&CK Enterprise v16

Tasks