Analysis

  • max time kernel
    93s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 09:46

General

  • Target

    ff6099cd98c3e040f68b2e24fb342bdf_JaffaCakes118.exe

  • Size

    112KB

  • MD5

    ff6099cd98c3e040f68b2e24fb342bdf

  • SHA1

    0b47875fdaf1f2f5a0726ea556277b6a255fe646

  • SHA256

    24046b1fdca346c449dc8ab195c4fb69ca999f2aad87bcf26426ae26584455fa

  • SHA512

    5534f1b0a29fcfe28063372e1629eb1aaa145c9b597eca9ce68d4f321024ab19e70cec1155300c2a7a8d32b3eaa5c1b6b2eca6754ffce71d1c4f381e5bd4c06c

  • SSDEEP

    1536:kxqjQ+P04wsZLnDrC93yziOboKsVYjSAhTmevq1C+FC0LoHCP:Rr8WDrCIiqoTGhhhvCC+NMCP

Malware Config

Signatures

  • 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\ff6099cd98c3e040f68b2e24fb342bdf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ff6099cd98c3e040f68b2e24fb342bdf_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:1924
    • C:\Users\Admin\AppData\Local\Temp\3582-490\ff6099cd98c3e040f68b2e24fb342bdf_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\ff6099cd98c3e040f68b2e24fb342bdf_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

    Filesize

    2.4MB

    MD5

    644fd42f8199d1e407d58785a9c8c7d1

    SHA1

    e9302e4de73124554a63e96b1bc078819fd5c7e5

    SHA256

    859dd22745d751ba2e9a199e538c7e868b93374a63544e2feab24fb07607607e

    SHA512

    b49b2aec01371be504dd8eb7fcb1cbd31ce52cce7a8d5923ed2c48c89530d83dde65c96a54ab40be5f017f6a7b1ce051bbb2940978d8073a34b9ccaaaadb0bb2

  • C:\Users\Admin\AppData\Local\Temp\3582-490\ff6099cd98c3e040f68b2e24fb342bdf_JaffaCakes118.exe

    Filesize

    72KB

    MD5

    d7efae87a913e1d4fde5ed78ae22313e

    SHA1

    77af85aa5ac2efabeb8e9c50596febfc96d5f446

    SHA256

    0dfd579430b01f32fc76085b1e09ae1437499dcaa1f8b6f07a7e2728b04f6779

    SHA512

    e06f4403ce757860df44e4aaef83cc981921ad342f3f18681d7fa42718c40d37666ffa84d9a61351812d6838fc21a355abbe7554354bfccf34c748fa7e1f27b0

  • memory/1924-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1924-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1924-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB