Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/09/2024, 08:31

General

  • Target

    d9f6a66362e88dae251531c5dca1eb22_JaffaCakes118.exe

  • Size

    707KB

  • MD5

    d9f6a66362e88dae251531c5dca1eb22

  • SHA1

    7c0e45dcfac440f689a96e3972521b530ab950b5

  • SHA256

    1053bd556b74d395aa863f0fcca99526ed4427215bbd40abe2fe6d5f34d7cc49

  • SHA512

    98d27b4523090d1840b3398dfba74927e89e8882c2231c690b5c2f11a6f0f23394597a8e4cd2b399fa8154f9c915121564039880147ca1e23f0836a832a0af52

  • SSDEEP

    12288:9okrvhfrPY37nzHNA6iA1D2ftCy7ONbzw32AreMAZZ9xp+t2t6:9o0vhfrPY37nzHNA6iA+74seMAZvxpS

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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d9f6a66362e88dae251531c5dca1eb22_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d9f6a66362e88dae251531c5dca1eb22_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • 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:4596
    • C:\Users\Admin\AppData\Local\Temp\3582-490\d9f6a66362e88dae251531c5dca1eb22_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\d9f6a66362e88dae251531c5dca1eb22_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\d9f6a66362e88dae251531c5dca1eb22_JaffaCakes118.exe

    Filesize

    667KB

    MD5

    a41da69f06f931f7058e48eaa7b6ce61

    SHA1

    31318651937b8b34b2e06b4beeda032443387647

    SHA256

    0332d5167f12576cea561ef40d6000026304905ad7fe9cb66eb0fb790255839d

    SHA512

    5dba9c2333d0fb83e0df85a6b24618ccaebd6537f5776635a5fdbb113959e4789a964cdf3a5d51f1cf71477798e5c73c5102e0834a5fb3405590283c4949da12

  • memory/3876-12-0x00000000005C0000-0x00000000005C1000-memory.dmp

    Filesize

    4KB

  • memory/3876-98-0x0000000000400000-0x00000000004A8000-memory.dmp

    Filesize

    672KB

  • memory/4596-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4596-100-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4596-102-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB