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Analysis

  • max time kernel
    140s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26/11/2024, 20:13

General

  • Target

    a3e57685eb24779318ba16fbaa725132_JaffaCakes118.exe

  • Size

    735KB

  • MD5

    a3e57685eb24779318ba16fbaa725132

  • SHA1

    29f6df7a0bbadb3d9dc538c3e8530e2b5e9dfd6c

  • SHA256

    763e21d08c9acb1b393599f28cfe0838677f537062ecf9b45dd1a47be2869bf3

  • SHA512

    c1da2ada35b63264d1204deb276c11978b98a6847e9147211d6ff5185619c500bdebbd307a579301ff2e76102c91ed64bf227eabe0f5040ed3373e7374c56cc3

  • SSDEEP

    12288:VTegQDvOgIn6lJ5sYEse/4Jim4wb8QY+G2ke8xNOMfm33sUn9bwC8PKAZBgqBaCc:Eg5noXe/44m4CvY+TBoXm33pwC8PKAZ4

Malware Config

Signatures

  • Detect Neshta payload 3 IoCs
  • Neshta

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

  • Neshta family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3e57685eb24779318ba16fbaa725132_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a3e57685eb24779318ba16fbaa725132_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • 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:2612
    • C:\Users\Admin\AppData\Local\Temp\3582-490\a3e57685eb24779318ba16fbaa725132_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\a3e57685eb24779318ba16fbaa725132_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    cf6c595d3e5e9667667af096762fd9c4

    SHA1

    9bb44da8d7f6457099cb56e4f7d1026963dce7ce

    SHA256

    593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

    SHA512

    ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

  • C:\Users\Admin\AppData\Local\Temp\mediaget-installer-tmp\index.html

    Filesize

    10KB

    MD5

    6cb5103f7a8d1d0586dd4b18ea9fd08e

    SHA1

    bbb91a5f9a1aa2ad9c9de0ec8fed5f24627a0378

    SHA256

    ea394bfcf0764a713bc7017708663b81cdde77ec363e96e054fe7aa6e73f3b70

    SHA512

    bee6498ed2be8e5eb1dbadffce9295b8c9d009c91868ecd27f9945d4e8d95c71881371afbc5db984c34ec1e15d3a91c0bca7eb1e19236ad341eeff5198dddf98

  • C:\Users\Admin\AppData\Local\Temp\mediaget-installer-tmp\js\jquery-ui.min.1.8.0.js

    Filesize

    202KB

    MD5

    a4fdd77e182bd2fabe300a47b5617a35

    SHA1

    e002b335c75b5edefcd251962f61f53a2ab8e0f2

    SHA256

    8b59592d67eadc703af6cdd5ba8d077f9f9485d01fb6405555614335f89be99b

    SHA512

    ddcccde1c129f8f71fb39685abc615c4202b8b3dfc12cedd7d9cca2f97b308fc14b64497826421fa9df3d1cf54bdae9c085051af0a8d393cd3d556a6578d4085

  • C:\Users\Admin\AppData\Local\Temp\mediaget-installer-tmp\js\jquery.min.1.6.4.js

    Filesize

    89KB

    MD5

    219073097031d9c1a95a1291d66f3a10

    SHA1

    2b7996b01d90b7f424f2a2e6063947461db4b2b2

    SHA256

    232066e3f6f1351afdaee1acb70c409766641fd5669e0b55ce7c77fac0a857ef

    SHA512

    9ad2745f96cf79a4d59393cc3fbb3958b244013f6798c12abe41e37fca80df3c7cedab4b47cbd197645c86b31077388ec8f01ea8d67c5feacbef95b1ae7582b5

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\a3e57685eb24779318ba16fbaa725132_JaffaCakes118.exe

    Filesize

    694KB

    MD5

    164648505bab238e770796fcbc6226ec

    SHA1

    5ac1f2572398e0fb37d7d259dc41781e30090efa

    SHA256

    ffccaff971575f45f61f6684546189513f22cd4993e5ad03cbc8388cee1b7515

    SHA512

    ab919f613eef7a073ae7e714ad2bf561f843ee510a3bedc3ffa447719f01cb25ffd42efc0c89ff1022c390739a0d18b70ee8aad1d5c814458c9a3bfbd8bb9f0c

  • memory/1960-10-0x0000000000400000-0x00000000005BF000-memory.dmp

    Filesize

    1.7MB

  • memory/1960-14-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/1960-162-0x0000000000400000-0x00000000005BF000-memory.dmp

    Filesize

    1.7MB

  • memory/1960-165-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2612-6-0x0000000002C60000-0x0000000002E1F000-memory.dmp

    Filesize

    1.7MB

  • memory/2612-161-0x0000000002C60000-0x0000000002E1F000-memory.dmp

    Filesize

    1.7MB

  • memory/2612-163-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2612-167-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB