Analysis

  • max time kernel
    146s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250313-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/03/2025, 19:41

General

  • Target

    JaffaCakes118_956bcd523ffeaf92cd32ee9ab35260fa.exe

  • Size

    6.0MB

  • MD5

    956bcd523ffeaf92cd32ee9ab35260fa

  • SHA1

    fcb50223c4d75e0e6a0c1cfc8f23a56fd7b1c73d

  • SHA256

    7ad2100206853f0273f8abc7be100942348f1c89b77d39ee2358aabec9bc85e8

  • SHA512

    5c4d9e49ec027899d263f5e7f3e31323ceaaa36cdf19e95bd7746d7864626a47dd35b95a1811b9fe9aac14512a2efb72f8f0166231e2aef7958a23cff04e8739

  • SSDEEP

    196608:KwWLehWXp3ca58sz2K8dFKXdNCGbQlOxrqriPZ:KwWLesFca6uMdQNNCGuOxYSZ

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.

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 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 3 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_956bcd523ffeaf92cd32ee9ab35260fa.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_956bcd523ffeaf92cd32ee9ab35260fa.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:5840
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_956bcd523ffeaf92cd32ee9ab35260fa.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_956bcd523ffeaf92cd32ee9ab35260fa.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4508
      • C:\Users\Admin\AppData\Local\Temp\is-HVUF3.tmp\is-4IDEB.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-HVUF3.tmp\is-4IDEB.tmp" /SL4 $80092 C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_956bcd523ffeaf92cd32ee9ab35260fa.exe 6062119 51200
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3936

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\JaffaCakes118_956bcd523ffeaf92cd32ee9ab35260fa.exe

    Filesize

    6.0MB

    MD5

    f8c79386686d646c52cd01a98213be7d

    SHA1

    3b391c993c3f2234a5dc87c59beaabec433cd270

    SHA256

    9cc2b86fd35668e74b8153937a0277542853f6a0463512fd26835d8435e177c3

    SHA512

    63cebedd5b07b0fbe05c71b43b40a0b1d2ec7f0f98159872d4f45bd1ad4711e78c0ed31420fc71d0216b72f2eb601803325fc09871da1efa8bd29c0ad07d9f53

  • C:\Users\Admin\AppData\Local\Temp\is-HVUF3.tmp\is-4IDEB.tmp

    Filesize

    610KB

    MD5

    365e4b9988123eef3955a4fb28a9be93

    SHA1

    f2eacd886960eca81ba4c1e1e82f9e70711c296d

    SHA256

    cc85b7b90d427ca6f3b4c25593368bce1337eb475207aeed1ae2f9721b2370f9

    SHA512

    07f90c47216af13b0c059a08e226e3cf3de452f562fb40778195ce82344f6d2e17adc2a3456f618e508fcf1add5348685171ee7c0ec3fefdff327633e63b2991

  • memory/3936-153-0x0000000000400000-0x00000000004A7000-memory.dmp

    Filesize

    668KB

  • memory/3936-167-0x0000000000400000-0x00000000004A7000-memory.dmp

    Filesize

    668KB

  • memory/3936-175-0x0000000000400000-0x00000000004A7000-memory.dmp

    Filesize

    668KB

  • memory/3936-146-0x0000000000400000-0x00000000004A7000-memory.dmp

    Filesize

    668KB

  • memory/3936-173-0x0000000000400000-0x00000000004A7000-memory.dmp

    Filesize

    668KB

  • memory/3936-171-0x0000000000400000-0x00000000004A7000-memory.dmp

    Filesize

    668KB

  • memory/3936-169-0x0000000000400000-0x00000000004A7000-memory.dmp

    Filesize

    668KB

  • memory/3936-149-0x0000000000400000-0x00000000004A7000-memory.dmp

    Filesize

    668KB

  • memory/3936-22-0x0000000000400000-0x00000000004A7000-memory.dmp

    Filesize

    668KB

  • memory/3936-165-0x0000000000400000-0x00000000004A7000-memory.dmp

    Filesize

    668KB

  • memory/3936-155-0x0000000000400000-0x00000000004A7000-memory.dmp

    Filesize

    668KB

  • memory/3936-157-0x0000000000400000-0x00000000004A7000-memory.dmp

    Filesize

    668KB

  • memory/3936-159-0x0000000000400000-0x00000000004A7000-memory.dmp

    Filesize

    668KB

  • memory/3936-161-0x0000000000400000-0x00000000004A7000-memory.dmp

    Filesize

    668KB

  • memory/3936-163-0x0000000000400000-0x00000000004A7000-memory.dmp

    Filesize

    668KB

  • memory/4508-14-0x0000000000401000-0x000000000040A000-memory.dmp

    Filesize

    36KB

  • memory/4508-145-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4508-12-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/5840-151-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5840-147-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5840-144-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB