Overview

overview

10

Static

static

10

jaffacakes...c1.exe

windows10-2004-x64

10

jaffacakes...c1.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    jaffacakes118__67c6fd7e873ac430383929106c92a0c1
  • Size 20KB
  • Sample260919-e38qrsx19k
  • SHA256 c4bd72e7e3cef4431e176aa59da7e31b629d53ecc163a926dd1bb4f8400ea0d6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
fesberdiscoverypersistenceupxworm

Malware Config

Targets

    • Target
      jaffacakes118__67c6fd7e873ac430383929106c92a0c1
    • Size 20KB
    • SHA256 c4bd72e7e3cef4431e176aa59da7e31b629d53ecc163a926dd1bb4f8400ea0d6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryfesberpersistenceupxworm

    • Detects Fesber payload

    • Family: Fesber

      Fesber is a Windows worm written in Delphi.

      wormfesber

    • Modifies WinLogon for persistence

      persistence

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks