Overview

overview

10

Static

static

3

2642200000...df.exe

windows10-2004-x64

10

2642200000...df.exe

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    26422000001257905011_pdf.exe
  • Size 27.3MB
  • Sample260703-mmcmdsfv4x
  • SHA256 7bb8ff1a5d1262d63167c0db64c00ae1965671c5168720fda081ca62d41d57d3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
valleyrat_s2backdoordiscoveryupx

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • fgqwt02.cn:447

  • 127.0.0.1:447

Attributes
  • campaign_date

    2026. 7. 2

Targets

    • Target
      26422000001257905011_pdf.exe
    • Size 27.3MB
    • SHA256 7bb8ff1a5d1262d63167c0db64c00ae1965671c5168720fda081ca62d41d57d3
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoordiscoveryvalleyrat_s2upx

    • Detects ValleyRAT payload

    • Family: ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

      backdoorvalleyrat_s2

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

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

      discovery

    • Enumerates connected drives

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks