Analysis

  • max time kernel
    155s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    15-03-2023 23:08

General

  • Target

    ReasonLabs/DNS/rsDNSSvc.installlog

  • Size

    669B

  • MD5

    e37047bc247256654b02753da7426053

  • SHA1

    58c67d6554520543f82a9107689caf305728f88c

  • SHA256

    001410b9d4a97411e00201fe23582bdbde9333852edc43b3afcf6abe2cc048dc

  • SHA512

    5197a43f5c3b440ac3d66fa0ae830565cb4677336b0e5cb9480d66ef46d15866dc42187c8d5e17ce8900b8a698c19e89cdbf8a7021be923765e607334fad97bc

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 10 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\ReasonLabs\DNS\rsDNSSvc.installlog
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ReasonLabs\DNS\rsDNSSvc.installlog
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1656
      • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
        "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\ReasonLabs\DNS\rsDNSSvc.installlog"
        3⤵
        • Suspicious use of SetWindowsHookEx
        PID:972

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads