Analysis

  • max time kernel
    93s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-12-2024 04:50

General

  • Target

    f260fd6890a02f336b31e6916f2d3f6f_JaffaCakes118.exe

  • Size

    453KB

  • MD5

    f260fd6890a02f336b31e6916f2d3f6f

  • SHA1

    6dc0898c2586427d3e757719c963fc9349a87111

  • SHA256

    b30a329937eb999502886a6a339824e7eef9f4e3a5aa6d2ff716895c4a1b36e1

  • SHA512

    783df73f7febda430ced268ad052f65aa4d4a839a5098f16f7bed2c7a777ec15f88c8273458cae521d1e371169e433e932dbb3c1afeafd38de02edae509ad9b1

  • SSDEEP

    12288:nvCOU/DMgAf8KiWICXbgSGyZCbjNx8bs7uhsUF:vdtf8K3g6ZCbjrJU

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\f260fd6890a02f336b31e6916f2d3f6f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f260fd6890a02f336b31e6916f2d3f6f_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:1100
    • C:\Users\Admin\AppData\Local\Temp\3582-490\f260fd6890a02f336b31e6916f2d3f6f_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\f260fd6890a02f336b31e6916f2d3f6f_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4148

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

    644fd42f8199d1e407d58785a9c8c7d1

    SHA1

    e9302e4de73124554a63e96b1bc078819fd5c7e5

    SHA256

    859dd22745d751ba2e9a199e538c7e868b93374a63544e2feab24fb07607607e

    SHA512

    b49b2aec01371be504dd8eb7fcb1cbd31ce52cce7a8d5923ed2c48c89530d83dde65c96a54ab40be5f017f6a7b1ce051bbb2940978d8073a34b9ccaaaadb0bb2

  • C:\Users\Admin\AppData\Local\Temp\3582-490\f260fd6890a02f336b31e6916f2d3f6f_JaffaCakes118.exe

    Filesize

    413KB

    MD5

    115c882650cc8d2cc077d80c68542fd3

    SHA1

    0b9d084437cef64b8e630c7f1a3bee62b4e2c5e1

    SHA256

    a619084da000a61f010a1fc3d1369e75ae31757e9757a34edee7f8cb48ca2dd9

    SHA512

    630474d97b24f1926e83a55db8d7233a089d373e952831d2f6e874867d283d219e6ded46f4054ca027316a4971b27b3282eabdcd183c8ecc9454eebc962feb88

  • memory/1100-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1100-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1100-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB