Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-01-2025 06:28

General

  • Target

    JaffaCakes118_6ac7f8eeaddf528231310b884097793d.exe

  • Size

    144KB

  • MD5

    6ac7f8eeaddf528231310b884097793d

  • SHA1

    5f185121f1401ec9eb16344b8f9b5d3c2eb40cfd

  • SHA256

    a1abb638e26740059300f0d17f8e391688c620e91a67800cd377dc4ac1997c17

  • SHA512

    61a764aee40d3b48b02a9e9790d7c258f49a02a730586dcb3b67615436a6a849fe9613fcff38b5935d06cbb5a033e3fdd3840c35364cbef91bd7be554a753f11

  • SSDEEP

    3072:zr8WDrCfwijN1+QKyjQKyvPOGdZgNLer9QUPZ9+:PuIiDDKpKWdZgNM9QUP7+

Malware Config

Signatures

  • Neshta

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

  • Neshta family
  • 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\JaffaCakes118_6ac7f8eeaddf528231310b884097793d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ac7f8eeaddf528231310b884097793d.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:3532
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_6ac7f8eeaddf528231310b884097793d.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_6ac7f8eeaddf528231310b884097793d.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4760

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

    d9e8a1fa55faebd36ed2342fedefbedd

    SHA1

    c25cc7f0035488de9c5df0121a09b5100e1c28e9

    SHA256

    bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a

    SHA512

    134644c68bd04536e9ea0a5da6e334d36b1ce8012a061fa6dabd31f85c16a1ac9eee8c40fee3d55f25c4d4edf0672de8ce204e344c800361cbcff092c09d7a33

  • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_6ac7f8eeaddf528231310b884097793d.exe

    Filesize

    104KB

    MD5

    1d18b63ca16d4d31737eafa565085e63

    SHA1

    cef990c75bc2f2bfb430413a907ec6e2c2bf3985

    SHA256

    9022a7379f1c728ed8424dbf30ba4d04315ae5cc7bf6607fba786e4ca55485ca

    SHA512

    eb2d312177ed8d4d4a48a5c1666d38a7d65f0e6c1e70338f383da18df39bf7308767f70b3b6e29d3901d9b150bd61e4bdbd7392fcfd59e93b7e05f35678e475a

  • memory/3532-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3532-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3532-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB