Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/08/2024, 08:56

General

  • Target

    bb158f340e21c8bf9d344539084ca77e_JaffaCakes118.exe

  • Size

    756KB

  • MD5

    bb158f340e21c8bf9d344539084ca77e

  • SHA1

    94c5c4a41819d51c4f40d8a5500ae86463be07f9

  • SHA256

    3755d246a7f44aad846b10c81fa6e1e8b2e91920782f0e33cad5fd926f835313

  • SHA512

    23b5b3bd7c2414331e70dced82ef3612f3367ffbe23da0af25431b234558c2e415c3c1a644824812dc3fe0dc558ead81d04538ff8d060f29988212201df68680

  • SSDEEP

    12288:2trSXP8etrSXP81GzPPiT1+NuOuG5GDp2r719Al13/NN3wB9X:8EP80EP81GmZcMDi1W7bwD

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • 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.

  • NTFS ADS 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb158f340e21c8bf9d344539084ca77e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bb158f340e21c8bf9d344539084ca77e_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:3304

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\905c0769f9a06c95a24ddf945\patcher.exe

    Filesize

    1.5MB

    MD5

    2d841fa63b5b776ef1cdc9efcccfe746

    SHA1

    57e2b4db6ef8dcc8cccb7645239b1ce50cd96a1e

    SHA256

    a71111d70d3297266066263d9a2458beda59f030d82e99392850d34164b4db27

    SHA512

    ace7640e283db331f31e239fcb3880351fd9cb71c362c6bd57673aa336ce717db6b06b564a0c8869896ef55c67dbb3fb501c915748fd9244e81778a15fe2e431

  • memory/3304-0-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/3304-2226-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB