Overview

overview

10

Static

static

3

61e437dfa7...18.exe

windows7-x64

10

61e437dfa7...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    61e437dfa71c97bfec4edf51865aeb75_JaffaCakes118

  • Size

    8.8MB

  • Sample

    240721-3mrpbazhrf

  • MD5

    61e437dfa71c97bfec4edf51865aeb75

  • SHA1

    1a5f8a0d451ff490eaea8dc83c4e5231410f001e

  • SHA256

    942d2ee29b8b87a9594109c0ea57fe2b137e5b8298e60d2efa4dca85a40a79c6

  • SHA512

    6fad8f3c2914e86fdcc194d6fb13fa9d971a4f47a7c0b019fcf60351415b78a5639d97f39a0c2b825ce5a4ece5bdcdea7f21ea3a806f5dd0fb99b9d56e6759d7

  • SSDEEP

    49152:mEs14wi06hhAE1/KPrB8NIMI8Sfpwotkzaxc1OGz8Z:mE2ji0KIMzKpXOMGQZ

Score
10/10
persistenceransomware

Malware Config

Targets

    • Target

      61e437dfa71c97bfec4edf51865aeb75_JaffaCakes118

    • Size

      8.8MB

    • MD5

      61e437dfa71c97bfec4edf51865aeb75

    • SHA1

      1a5f8a0d451ff490eaea8dc83c4e5231410f001e

    • SHA256

      942d2ee29b8b87a9594109c0ea57fe2b137e5b8298e60d2efa4dca85a40a79c6

    • SHA512

      6fad8f3c2914e86fdcc194d6fb13fa9d971a4f47a7c0b019fcf60351415b78a5639d97f39a0c2b825ce5a4ece5bdcdea7f21ea3a806f5dd0fb99b9d56e6759d7

    • SSDEEP

      49152:mEs14wi06hhAE1/KPrB8NIMI8Sfpwotkzaxc1OGz8Z:mE2ji0KIMzKpXOMGQZ

    Score
    10/10
    persistenceransomware

    • 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