Analysis

  • max time kernel
    140s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    22-07-2024 20:57

General

  • Target

    64c7c4f2bc41f29671b4756d09bde9b5_JaffaCakes118.exe

  • Size

    82KB

  • MD5

    64c7c4f2bc41f29671b4756d09bde9b5

  • SHA1

    3b0c96babedf62804879c4417055cd1f77712abb

  • SHA256

    ec91be32679331f02b3fb72ebba8e807340a6db18fa563c0ca82995280e38ccb

  • SHA512

    8fa8f778bdbe4e6a0df1492be898963f2e91e593487d60b417c7d44f5bafdf3c0744531c3e88063ed28ad5aa98dbcb4a7af76f832a0114fc2efeb51384587536

  • SSDEEP

    1536:JxqjQ+P04wsmJCoSA3vR49yiqeDs4RH0Eu5t+4:sr85CU54IiwwHHu5s4

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.

  • 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.

  • 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).

  • Program crash 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\64c7c4f2bc41f29671b4756d09bde9b5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\64c7c4f2bc41f29671b4756d09bde9b5_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:2080
    • C:\Users\Admin\AppData\Local\Temp\3582-490\64c7c4f2bc41f29671b4756d09bde9b5_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\64c7c4f2bc41f29671b4756d09bde9b5_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      PID:2352
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 444
      2⤵
      • Program crash
      PID:2848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    547KB

    MD5

    d79d6c445af89ac11b0349afc5dcd74b

    SHA1

    b9f4828b300812402aa3fe9d30dd1358419989e9

    SHA256

    b5cea0ec1c56740e98fd97f9c5be552bcd878d8d5e4c489aa32372acf9c2e340

    SHA512

    7b777152c28252de2a85afb63f48b5660372af3ea53281cb8d5e478425a9a05f39baf2d5421456be5941d80d1c10b1d640ec2c728c971504f8332c362a190069

  • \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\64c7c4f2bc41f29671b4756d09bde9b5_JaffaCakes118.exe

    Filesize

    41KB

    MD5

    3011f45acc59bb364edc90cc9cdf5de1

    SHA1

    31127bb58d3c32eb47cb39da188edca68fb25f6c

    SHA256

    125a48c6ad2f29d233cda0495ea0d6259ed30ba3be31a0a2f5e57c1cd35b79a5

    SHA512

    bb9637b19ef20320aa3c62fdac7571a2a083eb9ba59cf6a7d534e1a9a6833d0e5ebdc6ce134d61f2182e995b690f24b977e8cd062c4809c46a47d748d48b5f07

  • memory/2080-86-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2080-88-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB