Extracted

• • Target
    接口8+1.lnk
  • Size 4KB
  • SHA256 145ddb95c7dd7d05d1b179a7050cfc9ccb5a66e12c9e442a91becb5dacd7691b
  • MD5 92c8176bc7c1ffd4a4d591b320ea89b4
  • SHA1 f3c0543769112cf9f036489dfe26e1808f06c98f
  • SHA512 8b72338cfb1792e8bced386fe6018345def66048e543a03aa8a9d8544938735f3c79fd7095265012d8420f35ade0257d7bf19b562c51957cbf663c04b124aada
  • SSDEEP 96:81X4g2+wSBIUP1Qs/3cw/Tbk/4WS1v9v1rqXASrqXFqXAONo77j+3/K:81X4g2tSBIUP1z3cQTAPo9v1rqwSrq1x
  • TLSH
    T15D9117202DEF10DCF167A7706BD8BAFB0966E4A1283D72B4310196494B31AC1DCA3F79
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  10^/10

  backdoordefense_evasionvalleyrat_s2persistenceransomware

  • Detects ValleyRAT payload

  • ValleyRat

    ValleyRat stage2 is a backdoor written in C++.

    backdoorvalleyrat_s2

  • Valleyrat_s2 family

    valleyrat_s2

  • Badlisted process makes network request

    Network request originating from process or tool commonly abused by malware.

  • Looks for VMWare Tools registry key

    defense_evasion

  • Looks for VMWare services registry key.

    defense_evasion

  • Checks computer location settings

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE

  • Loads dropped DLL

  • Adds Run key to start application

    persistence

  • Enumerates connected drives

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

  • Obfuscated Files or Information: Command Obfuscation

    Adversaries may obfuscate content during command execution to impede detection.

    defense_evasion

  • Suspicious use of SetThreadContext

  behavioral1behavioral2