Analysis

  • max time kernel
    84s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    29/03/2025, 19:33

General

  • Target

    JaffaCakes118_94fa5e88062c7ba7465dc8e1aa85f2f1.exe

  • Size

    112KB

  • MD5

    94fa5e88062c7ba7465dc8e1aa85f2f1

  • SHA1

    cce94813c7dd728856bcea452ea2d020a8716464

  • SHA256

    0543ed16dbf27a45b08f9c81befc2766b9d5d6a0998dc13174dcf897b3ff7920

  • SHA512

    5a1f3aaeecc51434aea688361ded4cbafc6afa8be9ed31fbf498044308080c262e09b8c064ea0bf41bde516dc236db46eb3f494cc37555e5ca93ea408986fc36

  • SSDEEP

    1536:JxqjQ+P04wsmJCDd/COqSBAqSk8nZy3p1Jbd/Cy:sr85CB/uSBAtZwp1J5/

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 3 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94fa5e88062c7ba7465dc8e1aa85f2f1.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94fa5e88062c7ba7465dc8e1aa85f2f1.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:2164
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_94fa5e88062c7ba7465dc8e1aa85f2f1.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_94fa5e88062c7ba7465dc8e1aa85f2f1.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2296

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\JaffaCakes118_94fa5e88062c7ba7465dc8e1aa85f2f1.exe

    Filesize

    72KB

    MD5

    8318ba4052d62740350202a499870b90

    SHA1

    87837c0a4a1714accacb7a997ec454c386587c3c

    SHA256

    f5a5c1f177f204bad3728e3a4c862c52a7a0de0824dc392480377c92587f8213

    SHA512

    5bedad6d639f5053a16a4b1637c733bccfc9d927eaa45b52d150c2e65bf1271a5b2e8ca1d914935f81f9baed4dfe78108bdba12b5615a713f58cb28d8b2e95b7

  • memory/2164-86-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2164-88-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB