Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2024, 12:12

General

  • Target

    34b88b474010f6f1372a5b7aecb15afe_JaffaCakes118.exe

  • Size

    989KB

  • MD5

    34b88b474010f6f1372a5b7aecb15afe

  • SHA1

    4c1aff890b37741a282e97e44b0368d6ee4dff0a

  • SHA256

    b36db367457b9f45237ec00707f395bb835e136515eb298fb1a32dff4c9abae2

  • SHA512

    edb8ba43ef17296ca84af19fde5805b4267d63acb86a8610ea66f2d9d31e06ac97f1dc980a4c6f099edf0d2030796a28ff59d07945b2696a57af6ef90f9a9ec7

  • SSDEEP

    24576:ePhL7ItGYpa4YB/4HGGj4ETCQix56S+uUdDXPedDXPx:+YKAHH2n6l6

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\34b88b474010f6f1372a5b7aecb15afe_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\34b88b474010f6f1372a5b7aecb15afe_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:208
    • C:\Users\Admin\AppData\Local\Temp\3582-490\34b88b474010f6f1372a5b7aecb15afe_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\34b88b474010f6f1372a5b7aecb15afe_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3420

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\34b88b474010f6f1372a5b7aecb15afe_JaffaCakes118.exe

    Filesize

    948KB

    MD5

    390769fe39f0caa33d455bf477032e8d

    SHA1

    abdbbafd136fdc6c57dae1283937af5faa783fa4

    SHA256

    fba5b1886db052c8505ebf8383abe93693bae9d80c71bdfd89ed1722ea937234

    SHA512

    fd63269422329bdb164f980de88685b792fc85cc9ff98038df18cabff0972b8d634e11334a9ea82fb537c04e279caf938a5d5ba6932dd4a7938f862fcbf43a6d

  • memory/208-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/208-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/208-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB