Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-07-2024 21:54

General

  • Target

    618c1661d60e920aed02ddf9cfc79fc3_JaffaCakes118.exe

  • Size

    131KB

  • MD5

    618c1661d60e920aed02ddf9cfc79fc3

  • SHA1

    221aede53df8806ea07a054212295e7caa3f0668

  • SHA256

    640f95314b1a52ff08a5911d9bcc8cc1e5770e5a75181e4de9b0af3614f6409d

  • SHA512

    cf366ecfbbe936e741dd8d61fafa2da7265600ee4f19c7f85c917b18a0e7ea3b061498d7344c580dadd4ff7eb7984612ad6bd4ecfdd41edbfb8102573297acfe

  • SSDEEP

    3072:sr85CNX/FGNHfvtf6PjuxWMHjosXCsezgk2v:k9NvUNHfVeaH3Sdzw

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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).

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\618c1661d60e920aed02ddf9cfc79fc3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\618c1661d60e920aed02ddf9cfc79fc3_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:380
    • C:\Users\Admin\AppData\Local\Temp\3582-490\618c1661d60e920aed02ddf9cfc79fc3_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\618c1661d60e920aed02ddf9cfc79fc3_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      PID:2616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\618c1661d60e920aed02ddf9cfc79fc3_JaffaCakes118.exe

    Filesize

    90KB

    MD5

    ca396649d2bccfc2f0e162ceec44c945

    SHA1

    1e991d1621a849867e8c0eb6a54d270b80d396b9

    SHA256

    51797dc2ad230f29f777e7785df20ee4e09d2df980be082bc4236f9f9d326de0

    SHA512

    04680897d40306c847dfa4738ebc87c40291b16edd2b51d3e8c3147e36c57fd7162fa77b736eec051fcf76fd3e3e6f979acecb675d3b7716d4553409923d5243

  • memory/380-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/380-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/380-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB