Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2025 03:09

General

  • Target

    JaffaCakes118_774313bee805db5ec6d28ff2f58c67b0.exe

  • Size

    137KB

  • MD5

    774313bee805db5ec6d28ff2f58c67b0

  • SHA1

    13e1189be9ee841a6d54cb69a9c8839b67dd3d40

  • SHA256

    7618ae26912da9f1a4f87159916aa78d5f271199e34811334a741b28f805339a

  • SHA512

    2b4b6a0ca5ce4168b98e0eef09d4663a475a272847645506de5f811bafaca544236cc08e3899b5fbca0b6bb06714c32f3e7ce4e2ca47825b092e8eb58d34ddaf

  • SSDEEP

    1536:JxqjQ+P04wsmJC45dzSB3fCViShtxT41IjEf822PC8oqbto1qK:sr85C45dzSB3fCVXh3T41IjEf8QbqO

Malware Config

Signatures

  • Detect Neshta payload 2 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_774313bee805db5ec6d28ff2f58c67b0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_774313bee805db5ec6d28ff2f58c67b0.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:2504
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_774313bee805db5ec6d28ff2f58c67b0.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_774313bee805db5ec6d28ff2f58c67b0.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1076

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_774313bee805db5ec6d28ff2f58c67b0.exe

    Filesize

    97KB

    MD5

    15527a04088cfb9ef4b052e6b9ff600d

    SHA1

    bc7b5710f174065c810145564f1016d9c129ee2d

    SHA256

    7845eb710d513e5987b4c259064697c2c5860a0a3690cd1d3161826df7ec308b

    SHA512

    849e0ff5f0d15977471f32c0ab39a77578e0d6746f945225f1d238bc488761f3ac29084e9663c7261fe8c082f6e08d22674da0c72d41dca0661f5e61c8243514

  • memory/1076-12-0x0000000074391000-0x0000000074392000-memory.dmp

    Filesize

    4KB

  • memory/1076-13-0x0000000074390000-0x000000007493B000-memory.dmp

    Filesize

    5.7MB

  • memory/1076-14-0x0000000074390000-0x000000007493B000-memory.dmp

    Filesize

    5.7MB

  • memory/1076-19-0x0000000074390000-0x000000007493B000-memory.dmp

    Filesize

    5.7MB

  • memory/1076-38-0x0000000074390000-0x000000007493B000-memory.dmp

    Filesize

    5.7MB

  • memory/1076-89-0x0000000074390000-0x000000007493B000-memory.dmp

    Filesize

    5.7MB

  • memory/1076-90-0x0000000074390000-0x000000007493B000-memory.dmp

    Filesize

    5.7MB

  • memory/2504-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB