Analysis

  • max time kernel
    140s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-11-2024 11:18

General

  • Target

    OpenCandy/OCSetupHlp.dll

  • Size

    438KB

  • MD5

    b5ec60121dee1a742202d32089dfbdac

  • SHA1

    3a03722c994f0fdaf69eb07db7c93502ee99dc72

  • SHA256

    6b3483c1ab83ed1324cdcff141c96421c25fe1e1667f6d624861ce462778659e

  • SHA512

    eb4cb4a587bd5449f6d36f96be1c2f79250fee50b9605fcf2ee074db3e2cd2e33fe35f56297d438b45106b1cd68d7de5995097609bacb18f94bed71df4d106f3

  • SSDEEP

    6144:/Vhp3y+QqV5epuEAwXDf//3/rP/cqx7kMK9RdkXbRsSfFedkTmWBQFJd62WCvGi4:9ozXDf//3/D/15kM8sLFGUmWB6JdTG8o

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\OpenCandy\OCSetupHlp.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\OpenCandy\OCSetupHlp.dll,#1
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:804
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\OPENCA~1\OCSETU~1.DLL,_MgrExec@16
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5048

Network

MITRE ATT&CK Enterprise v15

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Downloads