Analysis

  • max time kernel
    140s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2024, 10:02

General

  • Target

    61a7bcc0a8f299db748daef516c297f2_JaffaCakes118.exe

  • Size

    318KB

  • MD5

    61a7bcc0a8f299db748daef516c297f2

  • SHA1

    72d0df3a6dadd48a65481e77042b627de4e3185c

  • SHA256

    b254e743c22c7da3ec21475314ff017c5058e60a72f328b71c388b449cd94bb4

  • SHA512

    7feab62008c5f9db650105e03f8bdb411365b63ffe9f2fbed57dce32a5c58d1685cfff8f837a7b1912c8e47971f130a09675fde3508010cd641e1760a30caa15

  • SSDEEP

    3072:sr85CK3dGKCbyyDAS9RlLL0ukuBFX7UJhlad9QjhFu6ojXmkQwnDqYZyYnjJ8tbY:k9K3d/c7HkMFwJhu9yajCJR8

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 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 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
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\61a7bcc0a8f299db748daef516c297f2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\61a7bcc0a8f299db748daef516c297f2_JaffaCakes118.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
    • Suspicious use of WriteProcessMemory
    PID:4328
    • C:\Users\Admin\AppData\Local\Temp\3582-490\61a7bcc0a8f299db748daef516c297f2_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\61a7bcc0a8f299db748daef516c297f2_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2520

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\61a7bcc0a8f299db748daef516c297f2_JaffaCakes118.exe

    Filesize

    277KB

    MD5

    ee57dfa8cde83118e8745be09d5e8259

    SHA1

    f1c6606cc5ea903c724dcb7a650a7eb8fead4bf7

    SHA256

    f29c7a4a0d45c020a0cb93db1147cb81e913ef83b4e840cbba7c87b2da3a363b

    SHA512

    85eb5000bece4ef124296a04a75ebeba09a084881fc910e1f4fb5a99f2737ebe9d23c6354360b95937bfa6c54945639d3087d360c814d14a17a99ee223218c7e

  • memory/4328-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4328-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4328-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB