Analysis

  • max time kernel
    94s
  • max time network
    145s
  • 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 09:39

General

  • Target

    JaffaCakes118_78f842f5623b05bf4bbbdf7e44ad84ca.exe

  • Size

    3.5MB

  • MD5

    78f842f5623b05bf4bbbdf7e44ad84ca

  • SHA1

    11e17570d03d37943869281a323a4e7e9cf9d5b2

  • SHA256

    3eaee1bb279a991a49838315c3f26cca6f93f168b6f36e89f817681deb1b47d5

  • SHA512

    f3d0637035fedcfa44396b062c916bfae173e4142de7503bb78c141b402390e004729216c8d1376a8f15b4a5653e64c996689eb8d8f404a776aaef0e5cab2619

  • SSDEEP

    98304:PjIH+iX1IqMd3Ueqn226nGIg4ovtKExQNrG+tJ7:bIH+iX1IqM1Ueqn226nGIgRv+Na+H7

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.

  • Neshta family
  • 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\JaffaCakes118_78f842f5623b05bf4bbbdf7e44ad84ca.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78f842f5623b05bf4bbbdf7e44ad84ca.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:5072
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_78f842f5623b05bf4bbbdf7e44ad84ca.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_78f842f5623b05bf4bbbdf7e44ad84ca.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3056

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\JaffaCakes118_78f842f5623b05bf4bbbdf7e44ad84ca.exe

    Filesize

    3.5MB

    MD5

    68345d7d55af1b094bf89a6f7eed0606

    SHA1

    41da4951a6ac43bc3117ed69b3101baa5c6d1691

    SHA256

    114c6fef98d9bba0ef464185ac018d45fccdbe4a797bd086a78dc5b9b1b22cee

    SHA512

    59c4f80fb092d8872c23871f4fa3b42e451ac95b2fc1ee15a1a509b7fdacf4277c387f5a8567216e59814a3da4f0165149cfdee4e458032da43451e15cf935dc

  • memory/5072-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5072-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5072-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB