Analysis

  • max time kernel
    116s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-02-2025 07:11

General

  • Target

    JaffaCakes118_b45bc4605617ae71ff5db20e2a93a74d.exe

  • Size

    407KB

  • MD5

    b45bc4605617ae71ff5db20e2a93a74d

  • SHA1

    5b2fdf56f8efcdb207ffc46d2ac45d661f44ff6b

  • SHA256

    f81db16345bc22fc9cb146c1e8abd2814cc4056361dc993ae8e5767b5abacbc5

  • SHA512

    ffc6555df635e61b5dabb81280391140d9970fce727573a821b447ac024239ac312993464b71fc94f4ba9ea4b89202d183c89f4e34a75863c778b54591fc61be

  • SSDEEP

    3072:Lr8WDrC1gIm/JFP9wx+vlqf0UxHfITGU+2wFFCcll3H3rH3XD7Inm+F0wgFhmu96:Hu1sHP4+QfI6UXFrQZb++tc

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_b45bc4605617ae71ff5db20e2a93a74d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b45bc4605617ae71ff5db20e2a93a74d.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:3636
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_b45bc4605617ae71ff5db20e2a93a74d.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_b45bc4605617ae71ff5db20e2a93a74d.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:528

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

    ded02cdd3944d4c0674887a00012226d

    SHA1

    2e0e57545a231f28baf683a8b70513b7e7bf2917

    SHA256

    f7a18529e2599d39ecdc678665b6660f3cc414ae1fd7b351f43f9cb5aa8d444a

    SHA512

    28804ddc2b893190ea4e3d731462496066bd120a4e6937f85a3c459feadc50def428cbed2cc894018a4e8883f574579abfd32dffd50f5594fd215c02596378b8

  • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_b45bc4605617ae71ff5db20e2a93a74d.exe

    Filesize

    367KB

    MD5

    84ddf54db542b2eb9ef08144fb6e3645

    SHA1

    43c3eeadfd2c3aadd32f9a7c750e4b1465d3bc9a

    SHA256

    234a5cf87ce2130fa74ddacc7aafe02670b988f8e54c851a4ea421873056a4bb

    SHA512

    e67d6335a7dd05c76ebb1884aa5c6c1135a5d978f7277d800dab7d7e3efdfd5fe33b2fc909ec9fe6dcbd97a429f3d1cd20851a58a26584f8df28400f13bbe957

  • memory/3636-96-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3636-97-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3636-99-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB