Resubmissions

09-10-2023 22:49

231009-2rxwfsgh8z 10

06-03-2021 22:20

210306-e542m4kcwn 10

09-11-2020 19:51

201109-ldpapz7ekx 10

General

  • Target

    SecuriteInfo.com.BehavesLike.Win32.Generic.dc.28918

  • Size

    291KB

  • Sample

    210306-e542m4kcwn

  • MD5

    5a5c745bf3e97fe2be01880132662f28

  • SHA1

    924af25d379fc88319bc55958db898dbf5054309

  • SHA256

    0ec947a4f30a6ad7d055c72f5d6c1ffe7a538349f41e8156e9aa5c7a8b0d7811

  • SHA512

    151e4a07e19350d677e049c57c971b64924150eec007e665843cb6142ec73fc06ae4145c64164d3f7f25a376a7536ac6d9b3c85180503549a0c86f09cc0ded10

Malware Config

Targets

    • Target

      SecuriteInfo.com.BehavesLike.Win32.Generic.dc.28918

    • Size

      291KB

    • MD5

      5a5c745bf3e97fe2be01880132662f28

    • SHA1

      924af25d379fc88319bc55958db898dbf5054309

    • SHA256

      0ec947a4f30a6ad7d055c72f5d6c1ffe7a538349f41e8156e9aa5c7a8b0d7811

    • SHA512

      151e4a07e19350d677e049c57c971b64924150eec007e665843cb6142ec73fc06ae4145c64164d3f7f25a376a7536ac6d9b3c85180503549a0c86f09cc0ded10

    • Jigsaw Ransomware

      Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Drops desktop.ini file(s)

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks