Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-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 4 IoCs
  • Neshta

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\64c7c4f2bc41f29671b4756d09bde9b5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\64c7c4f2bc41f29671b4756d09bde9b5_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5044
    • 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:4868
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 1232
      2⤵
      • Program crash
      PID:2740
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5044 -ip 5044
    1⤵
      PID:2940

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

      Filesize

      86KB

      MD5

      0c3c153868005aba5bd10dc164078ad1

      SHA1

      e47e574aa0d6d9bb88e00eb28d02df24735166ea

      SHA256

      909748f3fc8c433c2cfa19465858a98a163a30676e3e94de56a9364dba02c739

      SHA512

      82dc76a67eb6952b1446f5705f35ec6e45d5f4f4fcdc893ff39e3b0103a8884070ac8f30fe8c24ce97a0c2541ed1b349f4f4b95dac8d4736c185e887b21496dd

    • C:\Users\Admin\AppData\Local\Temp\3582-490\64c7c4f2bc41f29671b4756d09bde9b5_JaffaCakes118.exe

      Filesize

      41KB

      MD5

      3011f45acc59bb364edc90cc9cdf5de1

      SHA1

      31127bb58d3c32eb47cb39da188edca68fb25f6c

      SHA256

      125a48c6ad2f29d233cda0495ea0d6259ed30ba3be31a0a2f5e57c1cd35b79a5

      SHA512

      bb9637b19ef20320aa3c62fdac7571a2a083eb9ba59cf6a7d534e1a9a6833d0e5ebdc6ce134d61f2182e995b690f24b977e8cd062c4809c46a47d748d48b5f07

    • memory/5044-95-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/5044-96-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/5044-98-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB