Analysis

  • max time kernel
    144s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-10-2024 22:42

General

  • Target

    4487fb8e62f78d80479fddce833be61a_JaffaCakes118.exe

  • Size

    92KB

  • MD5

    4487fb8e62f78d80479fddce833be61a

  • SHA1

    3dbd592df9e89df08265b5e3b54c60554caa8f8d

  • SHA256

    feb7030c8acfe01edda5839ba256060e696c35c0ed60f5ddca5e8b850a99cf67

  • SHA512

    e338cfa1530c06243b45a7a8c9be089828ac9bde4c7c8e02baf2ccbbbe5551c7e8d8e4e6727f28c093708c29c802684b1d515458123fd002ca7d87ee26432b20

  • SSDEEP

    1536:7xqjQ+P04wsZLnDrCwMIZPTvuwA/EMeWS14fuw9sEJBq6zPkM5r5E:Cr8WDrC9IZTuwAtcusSzPkUr+

Malware Config

Signatures

  • 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 3 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\4487fb8e62f78d80479fddce833be61a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4487fb8e62f78d80479fddce833be61a_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:3360
    • C:\Users\Admin\AppData\Local\Temp\3582-490\4487fb8e62f78d80479fddce833be61a_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\4487fb8e62f78d80479fddce833be61a_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

    Filesize

    2.4MB

    MD5

    a7d5337d0e7c55d7e224514e887986f9

    SHA1

    407298c4e452999dc017094a26f9456711449199

    SHA256

    6420fc97c76dc9e3b42b3d986e200e58d91f0316407929b49ebc852cca5d025d

    SHA512

    22c62cd18056b6c0fcf14497d3456e58a413284b1a441cfa4fc6e3e9ee09e30d0e70cb879fcabb0ab784120506d6877016a938e78976294676ae1b201b32af07

  • C:\Users\Admin\AppData\Local\Temp\3582-490\4487fb8e62f78d80479fddce833be61a_JaffaCakes118.exe

    Filesize

    51KB

    MD5

    5f8641a3c9392d6add7b6bc662fc6625

    SHA1

    a29b9f154ec1f3dbcc1aae4794ddbc980949a1e0

    SHA256

    072dffdeec477a38995818ee93d3c380c6b180a6994023fe3b746bc59f721ee5

    SHA512

    af36dbc6bd64342d1616323b44d2e4eaea906c661ece67535be9b34599306f20c03b6a2a7f81f4e68d349e21ea9aaabf3658e22db5ebeb430c5696f1475824a9

  • memory/3360-0-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3360-94-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3360-95-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3360-96-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3360-97-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3360-99-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB