Analysis

  • max time kernel
    93s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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⤵
    • Checks computer location settings
    • 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:3052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    a5a5743382f2c39bc2696c98b6831212

    SHA1

    c74207dc3db149ac8c295c1feb31bc6f6992b724

    SHA256

    fe9a98e9af48fe17db9611e173e66bfb92a7c88da311a7b696875020541b4d80

    SHA512

    8d0e0bd3536462579ea6a3d5bddaedae32b9d51bf3206fe0344ef6b77e1d7edf67b10e56d3307ef4ad7d3c0e3894ec8577f4d5a9ae62d2db601376cf758e1111

  • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_79c039e70cf24730e17a965cc61ece54.exe

    Filesize

    92KB

    MD5

    b469680a8de645fe776309d38b4462f4

    SHA1

    a2b4b7b4624da5fac0ca1918793a2efda8d80d51

    SHA256

    28008a1424c4b75314c4852371ae5f1b517ab42b2118a33cb6cc27a17cef55d8

    SHA512

    e42bb7ef6ce4806636c343b0dbd50f844954b8edfba76c5b52978de2293533fd51f0539eccbe405b5fcbbfebb79586a041cb0a8571bdcd6e66f3ed048d27176f

  • memory/3052-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3052-94-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3052-96-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB