Analysis

  • max time kernel
    93s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2024 18:36

General

  • Target

    9d39fd12ce2a55424aa6519233db379c_JaffaCakes118.exe

  • Size

    112KB

  • MD5

    9d39fd12ce2a55424aa6519233db379c

  • SHA1

    c33ef263151f06fc1c089f7a21974af2429c575e

  • SHA256

    e250469edeffbee67d6843cc0c342982158de008417b33dfd7891f8705846772

  • SHA512

    0f64d7fa2b1922eb266b20e0a1ca96f2a98fed72452eb85ac4c7143c0ed653435ae361fbba981bbe716e70cee545d7a78dbd02b572bf8759cb16ae420ea76b97

  • SSDEEP

    1536:JxqjQ+P04wsm1CX3yziObo5sYLBW4lbjSAhTmevq1C+FC0LoHCP:sr8lCCiqoZLBW4lnhhhvCC+NMCP

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 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\9d39fd12ce2a55424aa6519233db379c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9d39fd12ce2a55424aa6519233db379c_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:5064
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9d39fd12ce2a55424aa6519233db379c_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9d39fd12ce2a55424aa6519233db379c_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4480

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    8572db2f0604de4137890595afd8cd5e

    SHA1

    2cecc1632693679a32786f48133885572d7252c0

    SHA256

    cc7cb6ff3b03d3649e88599cc2527da4c580c1c23da5d163faa1b37233dfd4e2

    SHA512

    b065e28ea20f9e837a7e908dc6c4900cf93aeda18748e781818ad83bca53f6231b1c9eb5e099f2c06789d1eb0b86fc9b3f42d18fe2ee5b7c351359a0ce7ef07f

  • C:\Users\Admin\AppData\Local\Temp\3582-490\9d39fd12ce2a55424aa6519233db379c_JaffaCakes118.exe

    Filesize

    72KB

    MD5

    d931986c5d7318e39e08ff3d458d5ee7

    SHA1

    562691a608d08afa2c1299594e09ad035fe739b9

    SHA256

    abeddd006a9348ee43342e816b3c6be9053bea4a96501e237e810287b3004888

    SHA512

    988ddba58cc0a60456ff9990eb3da9eccaa65f703c512759e4f8b50423d47505cbc1ef5a56619c0c372cac2af524a97b890cc3690438ad478fe8364143237e8a

  • memory/5064-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5064-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5064-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB