Overview

overview

10

Static

static

3

b4f166e8b2...18.exe

windows7-x64

10

b4f166e8b2...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b4f166e8b2ca1ab9f7cc326718b18fd8_JaffaCakes118

  • Size

    7.1MB

  • Sample

    241130-fx34rstrbv

  • MD5

    b4f166e8b2ca1ab9f7cc326718b18fd8

  • SHA1

    206fe3a4cae7faf319321a943f7edc840b727fad

  • SHA256

    73a7f75b1e3381531eb5a75b3e623ee3c46f019332852b26401b0c7e3f8809dc

  • SHA512

    c70da1527fe4325e6cc42757a86bafb0bbe2a1868201924159df0d3cba08d18ab9b3c446d2b5ffbfd97931f5ffa26298c90f112e407cc3652c4624a598118c3c

  • SSDEEP

    24576:aEtl9mRda1VIUSu7KB8NIyXbacAfUSunEp+XRGEUvkXw6z4Etl9mRda1J:xEs12pHB8NIMI8SfpwotkzvEs1J

Score
10/10
discoverypersistenceransomware

Malware Config

Targets

    • Target

      b4f166e8b2ca1ab9f7cc326718b18fd8_JaffaCakes118

    • Size

      7.1MB

    • MD5

      b4f166e8b2ca1ab9f7cc326718b18fd8

    • SHA1

      206fe3a4cae7faf319321a943f7edc840b727fad

    • SHA256

      73a7f75b1e3381531eb5a75b3e623ee3c46f019332852b26401b0c7e3f8809dc

    • SHA512

      c70da1527fe4325e6cc42757a86bafb0bbe2a1868201924159df0d3cba08d18ab9b3c446d2b5ffbfd97931f5ffa26298c90f112e407cc3652c4624a598118c3c

    • SSDEEP

      24576:aEtl9mRda1VIUSu7KB8NIyXbacAfUSunEp+XRGEUvkXw6z4Etl9mRda1J:xEs12pHB8NIMI8SfpwotkzvEs1J

    Score
    10/10
    discoverypersistenceransomware

    • Modifies WinLogon for persistence

      persistence

    • Renames multiple (91) files with added filename extension

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

      ransomware

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

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

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks