Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2024 05:26

General

  • Target

    92c73372c78bbf73546e8d46af3f483f_JaffaCakes118.exe

  • Size

    406KB

  • MD5

    92c73372c78bbf73546e8d46af3f483f

  • SHA1

    4518b48df22db0102fdf51b6fa2ce0455d632958

  • SHA256

    3690098047adc52ce4695008cdbbd724a761b26e9621dcaaee9febae644afb4f

  • SHA512

    9b221485d8321c7a341c70dccb39cedcae6f42102bc144d46f368bab54bc84d9f4627b4bf8908851f21eb4668d4e2774dd995cdc9a6512a4700fa348a31a8b69

  • SSDEEP

    12288:GP06lr9UbS4qb9yUxjU1ljI7OaaccjRm/OjWPF1j:LqbBxA1lc7OxjRqOKj

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.

  • 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\92c73372c78bbf73546e8d46af3f483f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\92c73372c78bbf73546e8d46af3f483f_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:2980
    • C:\Users\Admin\AppData\Local\Temp\3582-490\92c73372c78bbf73546e8d46af3f483f_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\92c73372c78bbf73546e8d46af3f483f_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2108

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

  • \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\92c73372c78bbf73546e8d46af3f483f_JaffaCakes118.exe

    Filesize

    366KB

    MD5

    875eb2891c79f32a4483bf753109821e

    SHA1

    2416b4af82ffd4117095f59f1810874e4a8b8fbe

    SHA256

    a0f3b2d6e88f7679a134a96addd57c75d6d2d90a325429cdb988f7a03691c2c3

    SHA512

    7b65043b3f827189fad9bf1e1946416de81417a3bde7f65625860c4fdfc80bb584c1c4a0a814ca9e6bd7379496771a7d8004f299779cd8d65f8a2a8565cbb5e2

  • memory/2980-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2980-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB