Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2025 12:45

General

  • Target

    JaffaCakes118_79c039e70cf24730e17a965cc61ece54.exe

  • Size

    133KB

  • MD5

    79c039e70cf24730e17a965cc61ece54

  • SHA1

    2f06c12a2c3d13bc1fcfc61abbb12ffc1b7f916c

  • SHA256

    a66aeefedc68b21139a87d01e810ba8ccd07bdec46c96011c6de95bd8ed2ff9d

  • SHA512

    f2e79cd8e712c317942793b44c37ddf8891f7f998f654def3b304ff1bdf4c8909a6745145691f103cd03bba3debb5e059a932d7a949e08a3324570a865809df2

  • SSDEEP

    768:CyxqjQl/EMQt4Oei7RwsHxyP7nb94yLMeSrEPi+Hgvr:VxqjQ+P04wsm14Wpc

Malware Config

Signatures

  • Detect Neshta payload 3 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Loads dropped DLL 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • UPX packed file 4 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79c039e70cf24730e17a965cc61ece54.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79c039e70cf24730e17a965cc61ece54.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    PID:1960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    cb681044b658c7b92d99bddd1656b4b7

    SHA1

    464a3d69b47aebeede7385144468e386cd70c72b

    SHA256

    f2bf95089ce12132addf6a2806e4ea3d3ffdcb6b526452e634ca7a338af3290e

    SHA512

    bab1cad605572f0da16a821dff738722cbabaa27917f3346fd2c7995d0845a62caf0935170a5672cbe74d99959a02013d7b976d2215f2b01628ed8e86c206584

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/1960-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1960-81-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1960-83-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB