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Analysis

  • max time kernel
    95s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/12/2024, 17:17

General

  • Target

    b953dac9f715e895d9fd34058771ee4c_JaffaCakes118.exe

  • Size

    914KB

  • MD5

    b953dac9f715e895d9fd34058771ee4c

  • SHA1

    0e02ed57c67ef7e738d5c9bea604ebec4c082026

  • SHA256

    b9488515c431daa2fbafb05184b449dfc85d7a9c7a7c7a0fe7abcbb84c3161a1

  • SHA512

    67633b6494865063839e23824e0b806081f19d6f1bc505e8bea6f582a7bb6c5427c754eafc7dd19c98352d39ddad7cde7ae5d07cdb179632a3eef0ff0a43006d

  • SSDEEP

    12288:4Za6HOfmrc414HSQgT/iu+5pIvrja5apOww:/gB4HPgTk5pIvrja05w

Malware Config

Signatures

  • Detect Neshta payload 6 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.

  • 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\b953dac9f715e895d9fd34058771ee4c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b953dac9f715e895d9fd34058771ee4c_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
    PID:3436

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\b953dac9f715e895d9fd34058771ee4c_JaffaCakes118.exe

    Filesize

    873KB

    MD5

    d3510d545c2608d5f5e5ce24616a150e

    SHA1

    3f23552425eace4a54edbe97dd42a71b1a51ddf7

    SHA256

    42e540486fdd6ddc2e6fd0cbb97530f0e5fb1a4347bde85aed43cc1315365a50

    SHA512

    374ec50893cfea02312ead63e22f18a87df5691565897b4f8247791bf982bb25edbe3b38ff7061efd9c3caa063324dccf0c1205839cb08442795219c744778b6

  • memory/3436-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3436-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3436-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3436-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB