Analysis

  • max time kernel
    95s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2025 03:52

General

  • Target

    JaffaCakes118_627c7ed53aab44cf52b9a7679ddb5580.exe

  • Size

    103KB

  • MD5

    627c7ed53aab44cf52b9a7679ddb5580

  • SHA1

    23ac5ca6fb426f7d31cc09097c97c6921159ab34

  • SHA256

    4e1be8750ef6d46fbb2f673e0857474980424efc744c84f53f19f559cfa71755

  • SHA512

    867f962064453282dcf6a20eeefe389e769005c5036559472fa01b567e49bcb2c237710ee62c5c8367b9fbf7a531cb53b54e2d395a711d268102d4c0129fb0dd

  • SSDEEP

    1536:JxqjQ+P04wsmJCL9BPVt7H5pUFil0K9lFTiXWnSq+3UDznkC/o:sr85CLDVtTXUFil0K9lFTaWn/+EDLkX

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 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
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_627c7ed53aab44cf52b9a7679ddb5580.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_627c7ed53aab44cf52b9a7679ddb5580.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:1288
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_627c7ed53aab44cf52b9a7679ddb5580.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_627c7ed53aab44cf52b9a7679ddb5580.exe"
      2⤵
      • Executes dropped EXE
      PID:2816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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_627c7ed53aab44cf52b9a7679ddb5580.exe

    Filesize

    63KB

    MD5

    5f20b811d6aa3a91bc915a487291ef56

    SHA1

    a42a9101be82e0603cfdc092e7e00d634cb85604

    SHA256

    6c5e17160d75ef07d85856a555393516914ae4426a8390ce6d9c2a7e105a28b0

    SHA512

    ba1dd9691227fcdcb227d89db64aec237424041af52c6d8daa3b8426468caf43283a5f347b6f514f6f564d6bfbd00009cca4e2690cf493c626509eb248910672

  • memory/1288-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1288-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1288-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB