Analysis

  • max time kernel
    41s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    31/10/2024, 07:00

General

  • Target

    82256713b45b778c2c90748ace611f59_JaffaCakes118.exe

  • Size

    92KB

  • MD5

    82256713b45b778c2c90748ace611f59

  • SHA1

    044fbe585653e0e301555763084edddc90495589

  • SHA256

    c1f3280bfb8d960bf7e83fc6b5eb41a69f45e559563c7fea4cdfc61be3c10c83

  • SHA512

    56c687a6257f524acb255feb6332089493cd21c447384f3b24f854ee8f71c0596d7a9f3e0f60abe17360b1d47ad082a7f7b97ed2a8911145646f8fecad3c6c85

  • SSDEEP

    1536:JxqjQ+P04wsmJCWjSOSBbia0CFd19HI6+6i+95EI999/lHbCy:sr85CWjSOSBbr9d19Hl+6i+95EI999/p

Malware Config

Signatures

  • Detect Neshta payload 6 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 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\82256713b45b778c2c90748ace611f59_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\82256713b45b778c2c90748ace611f59_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:2116
    • C:\Users\Admin\AppData\Local\Temp\3582-490\82256713b45b778c2c90748ace611f59_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\82256713b45b778c2c90748ace611f59_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2204

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\82256713b45b778c2c90748ace611f59_JaffaCakes118.exe

    Filesize

    52KB

    MD5

    ea0dff71ab7b81c0d1badd49f5d31f50

    SHA1

    ff56e24bda807aa59a042694323be393eb0c1b80

    SHA256

    c591229b6679b1d60172446a9ff594f251959c1bde28bd32f6513c5a7730aed5

    SHA512

    78e4327aec75b9d5011e0dec9c83a8f064c9a49ce7f6f755ccbb212c4c454da83bf67b8a2cd960e6b891454063b743e0829e1f9198f10e6759d8d1deed8e13df

  • memory/2116-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2116-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2116-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2116-86-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2116-88-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB