Overview

overview

10

Static

static

10

2024-12-31...ry.exe

windows7-x64

10

2024-12-31...ry.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-12-31_dcc1c79dec7e10f81ca1d238c389f398_wannacry

  • Size

    181KB

  • Sample

    241231-cw679asmbx

  • MD5

    dcc1c79dec7e10f81ca1d238c389f398

  • SHA1

    9aab2830804da5f4d7b7cf487393abae5706254f

  • SHA256

    1ce6d9140ca332a2637b715acfc3f391632a28800c18a7d75c59414dadc63ba1

  • SHA512

    210254af182f3abcea957f0008e1e4f128b8568fdaf634fe48b52c9a30195cd68ab084e7a0022238017e222dbd4421e897a4e4c46584389f4190032985cb46d8

  • SSDEEP

    3072:Fo0QhE4r9EtcHbFTohJRILxd1dJC47cblzcnXwEKu2k3ParRkVibgfFZ6kvS0dl2:/Or9EtgTcJuLpjUAQk3i+wb+wkq0z

Score
10/10
chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

Malware Config

Targets

    • Target

      2024-12-31_dcc1c79dec7e10f81ca1d238c389f398_wannacry

    • Size

      181KB

    • MD5

      dcc1c79dec7e10f81ca1d238c389f398

    • SHA1

      9aab2830804da5f4d7b7cf487393abae5706254f

    • SHA256

      1ce6d9140ca332a2637b715acfc3f391632a28800c18a7d75c59414dadc63ba1

    • SHA512

      210254af182f3abcea957f0008e1e4f128b8568fdaf634fe48b52c9a30195cd68ab084e7a0022238017e222dbd4421e897a4e4c46584389f4190032985cb46d8

    • SSDEEP

      3072:Fo0QhE4r9EtcHbFTohJRILxd1dJC47cblzcnXwEKu2k3ParRkVibgfFZ6kvS0dl2:/Or9EtgTcJuLpjUAQk3i+wb+wkq0z

    Score
    10/10
    chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Chaos family

      chaos

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Renames multiple (186) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks