Analysis

  • max time kernel
    94s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    26-01-2025 06:00

General

  • Target

    JaffaCakes118_330dcf8b1f07ddac36629a65dbe49ac9.exe

  • Size

    359KB

  • MD5

    330dcf8b1f07ddac36629a65dbe49ac9

  • SHA1

    f84f59a34bf48a423b6bce5e08bfa4e8103c18bc

  • SHA256

    41a2f0d2e15d313a80bef0fde0dd22adee875c6c6aeaccd4e2315af18c9bf101

  • SHA512

    43388c973c2db5d782bd72a22f2a19bf358889198e8f1f05ba598a7412972bfe5b5d181864cb8f30e973cf565f27cad480e7797b51803c07b06b4afd707e26a1

  • SSDEEP

    6144:k9FztYabOmaEa1r3JHHwe3PfcKrKywz/0K9fqUme9fqUm3:GYaSrYWdGyS0K9fqs9fqx

Malware Config

Signatures

  • Detect Neshta payload 3 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_330dcf8b1f07ddac36629a65dbe49ac9.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_330dcf8b1f07ddac36629a65dbe49ac9.exe"
    1⤵
    • Loads dropped DLL
    • 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:1940
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_330dcf8b1f07ddac36629a65dbe49ac9.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_330dcf8b1f07ddac36629a65dbe49ac9.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    cf6c595d3e5e9667667af096762fd9c4

    SHA1

    9bb44da8d7f6457099cb56e4f7d1026963dce7ce

    SHA256

    593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

    SHA512

    ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_330dcf8b1f07ddac36629a65dbe49ac9.exe

    Filesize

    319KB

    MD5

    bb06d442f1e67fe8098902de09870a3a

    SHA1

    2dc823ee61a7b553cd894506092af12a4decc00d

    SHA256

    dfb919955f82a488d094657a3ab315cd6a70400a418dd1bd08e1bff1397e03be

    SHA512

    0766e74e4cebf7795a9c68e3174c6896259e7575f6beb6d074daa80edb3f2b2e6d5f3555632c30dfeb98c949529efd5b453ca7fe91661dd6c5d98095fb0df226

  • memory/1940-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1940-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB