Analysis

  • max time kernel
    140s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    22-07-2024 19:19

General

  • Target

    6477a8e3daed8793949ba0219204c4b3_JaffaCakes118.exe

  • Size

    241KB

  • MD5

    6477a8e3daed8793949ba0219204c4b3

  • SHA1

    435db889d60125c024d42dd7e5455ab78a0f043d

  • SHA256

    58b8797e4d07aa3e2dc2acc7d9d2c643cd9330fc59ca1ef72d4b098f968ebe1a

  • SHA512

    d089db31b77c0511d36e4ee74f4b552c42964af87f9030699bedac52912fc82e595813334ec9162fb6fd411909e6fb6ae41463904424baa0bb79bdf118efdcf5

  • SSDEEP

    3072:Rr8WDrCg9h4rJA8tT+tOuai2G8l0AR/oz1XtjxjdJ0GFFbMzSP8EY8jwyAzSP8Ef:tugiA9tOC2G8uANy1VN0GjoA8syA8sL

Malware Config

Signatures

  • Neshta

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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).

  • Modifies registry class 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6477a8e3daed8793949ba0219204c4b3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6477a8e3daed8793949ba0219204c4b3_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2696
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6477a8e3daed8793949ba0219204c4b3_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6477a8e3daed8793949ba0219204c4b3_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    859KB

    MD5

    beb6dae71186da2adfa2e5671bcfd154

    SHA1

    2c520dfe3490772dfc6bbc2783c5114ca303d39d

    SHA256

    832b42331ca55ce423a4556827cfacdca82c6dbef771619a28b965ef5c62b815

    SHA512

    002423a98f74c7f1244fa9caa06e82cecec67d6bf2c721c7cfb7deaf5995e5ba89ff0ce19c9f5294f0fea608753afdac0c324f194e76c0cac4b835de38fcd09e

  • C:\Users\Admin\AppData\Local\Temp\3582-490\6477a8e3daed8793949ba0219204c4b3_JaffaCakes118.exe

    Filesize

    200KB

    MD5

    b63b41f8d4caf367a950e02064692485

    SHA1

    eeb0417050873737340b6afa6fa08720fbecd87d

    SHA256

    70bf0459def6689669bd16ce06b068251c839b3beaa218c97a7189b67006db07

    SHA512

    6a48cfd6cb08fff9c60c10a16c2b7133af0b0dd1dd1645c8c68f73c74ebfe83740f21403052384279ba8fff06c7aafbf2e7c97e878a49824e73caf7ef49efc5d

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2516-17-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2516-91-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2696-16-0x0000000002D50000-0x0000000002DFF000-memory.dmp

    Filesize

    700KB

  • memory/2696-15-0x0000000002D50000-0x0000000002DFF000-memory.dmp

    Filesize

    700KB

  • memory/2696-90-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2696-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB