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Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/02/2025, 05:42

General

  • Target

    JaffaCakes118_bf9fc4d9b8d9461e59169444664ce1c6.exe

  • Size

    170KB

  • MD5

    bf9fc4d9b8d9461e59169444664ce1c6

  • SHA1

    c5853e8e7e8f8f6990ff69879120d8d15e557f0d

  • SHA256

    13ea24659f5571b5097bcf2fa07464a18dde7e9e2746a6c3139179a8c8d4b084

  • SHA512

    9bbf9811bf1cf9eef1a91eeb0127864a9939c9e183d701c95b993a3db80aa0e703087ba2b9ce5f139990c6d7a90fc02941fbd215340e1225a8f9214d2a9007c8

  • SSDEEP

    1536:JxqjQ+P04wsmJC2Vloa2rYsbDvZO/U+SeOw6nXD1GYv+8VLpsGS1GYv+8VLpsGD:sr85CF5vZOM+SexGvRLGtvRLGu

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
  • Downloads MZ/PE file 1 IoCs
  • 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 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bf9fc4d9b8d9461e59169444664ce1c6.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bf9fc4d9b8d9461e59169444664ce1c6.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:1668
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_bf9fc4d9b8d9461e59169444664ce1c6.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_bf9fc4d9b8d9461e59169444664ce1c6.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4828
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU4MTUiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODE1MzQzMTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0ODg5MTAzNzIwIi8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:2436

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_bf9fc4d9b8d9461e59169444664ce1c6.exe

    Filesize

    129KB

    MD5

    53fda11197ce7d1c7fe09c9ca7035678

    SHA1

    54502fdb9df3535910a0dfa2f20b8ebd3b72c6fd

    SHA256

    c40ae58fe104b91c95850260b9a5ba0c908dfabab37b9ab9a5ae326317f7f227

    SHA512

    43a08513f5b1ea784f8ec14a6fa051af1fde29fc97da7c949523d32b37c5255cffbbd457c152108e9c7c9bba8517a56fa97f6db95602e4b100692a670cf047cd

  • memory/1668-124-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1668-126-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1668-128-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB