Analysis

  • max time kernel
    141s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    09-12-2024 11:59

General

  • Target

    d98360f83d7a8a01b1f5d25d2ed53de6_JaffaCakes118.exe

  • Size

    140KB

  • MD5

    d98360f83d7a8a01b1f5d25d2ed53de6

  • SHA1

    3d878777c8df193b4b7a0860f633c1d99a3aedf1

  • SHA256

    d22b0163b5c934e17f91aba11a592b2d5a376fecf05c1d6ac2a9c6805aa8d0bc

  • SHA512

    24356d8b172a76aaf5b9ae2cbed80642acd072fdf054f3d2810c64cea646ffc13653fd31e4b1aa185dd38709f3eabfee97bc25618fbe781061d38dc816ab5022

  • SSDEEP

    3072:pr8WDrCB50x3ViiOAJ1aWyUEJEcuUhzeS8KwpIqE7jOwgWf3G:FuBuNLGWVEeHUhzlwV

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
  • 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 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d98360f83d7a8a01b1f5d25d2ed53de6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d98360f83d7a8a01b1f5d25d2ed53de6_JaffaCakes118.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:2988
    • C:\Users\Admin\AppData\Local\Temp\3582-490\d98360f83d7a8a01b1f5d25d2ed53de6_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\d98360f83d7a8a01b1f5d25d2ed53de6_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      PID:2916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\DW20.EXE

    Filesize

    859KB

    MD5

    d612d1534be00c42dff2e305bd0f1138

    SHA1

    bb3a82fca5fb6c21a98c7712d843d37e59109fff

    SHA256

    a3a74b4f199d3df2e73cf08ac6b4b4302955371fb57904511a2b5fd007cee8a1

    SHA512

    90c5a37289edbd34df8a787800f9b278ce3d537ae1ebd85e87a96ada51c110877a6fc079fdc5334600e0ad65a4adc1257d5b66367f5c6b55d1b859d194858d87

  • \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\d98360f83d7a8a01b1f5d25d2ed53de6_JaffaCakes118.exe

    Filesize

    99KB

    MD5

    03d253aa146f7e9a45807100372c7604

    SHA1

    53a204cec7cb4bc7f88b51848252289bea64e926

    SHA256

    18d97a9c223ed6ef0a7a2ff360985ee3f3e361496c4ff9eb1e45a5f3c3ecd155

    SHA512

    4ce81d663ac83a2f284dc0828e76f3cd032d35de1fca4b11fd4f221ce750a59ce1e09559941f735bdb2341c263bd174dcebaea7ad0b52b2f440e892aa9712d39

  • memory/2916-85-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2988-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2988-86-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2988-88-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB