Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-01-2025 19:29

General

  • Target

    JaffaCakes118_6effaa1896f29d8b4b8068b285d9e910.exe

  • Size

    749KB

  • MD5

    6effaa1896f29d8b4b8068b285d9e910

  • SHA1

    23eaad79793a6147f3dc6926a9e63d318f0a4e23

  • SHA256

    8bd35fdbfaf998adc9018206bc509142671273d39f9a4846212625927ff02ee1

  • SHA512

    170f79358b3722a7aaaff46192738eb9c1e7f05ea9e7b54ecb504861124849b375a287d97359b713d518f28f34375beb49cd78f30e33a99e6742ae2e567d4149

  • SSDEEP

    12288:NxYiCW5X6O/m+50T6AgomBtt6Wvzcapvwli9u3ou3kG7/7mEmab9xBzV:NsWU6p6WvoalKi50zZ7zV

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 1 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\JaffaCakes118_6effaa1896f29d8b4b8068b285d9e910.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6effaa1896f29d8b4b8068b285d9e910.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:1916
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_6effaa1896f29d8b4b8068b285d9e910.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_6effaa1896f29d8b4b8068b285d9e910.exe"
      2⤵
      • Executes dropped EXE
      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

  • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_6effaa1896f29d8b4b8068b285d9e910.exe

    Filesize

    708KB

    MD5

    6fca1ca9e481540f707faf2322324f1b

    SHA1

    f78b89f1e12fd3b1e32612516c0b42daf7f9f8e4

    SHA256

    9858fd1f48d4544dcb7ef432ead193121440c10307493436b9546d7d52555bbd

    SHA512

    8b9c1aa91844d1c8dfc2fbdf5883372ddb55afa9992f5f6d45c18ab8dba2717b5d4f46e817d302bda032d140fcd27c5ad49992749dc1ef96e334cd7d7f1f6222

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/1916-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1916-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB