Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-01-2025 14:46

General

  • Target

    JaffaCakes118_227e69c9e97e57c40341cfdd3b12c3c0.exe

  • Size

    145KB

  • MD5

    227e69c9e97e57c40341cfdd3b12c3c0

  • SHA1

    6585aa2562b99d58780e608a2fcf2c8b9a586dbb

  • SHA256

    21d3b90382a3096a277ca58874ad86df0613395c51a5ba16d3b3e868a37c1474

  • SHA512

    15623305f3f5bc2a843dd0be521e9fea30ac150254016cf9dec309a9e7e6fccddcf49493112e41ba6c305cdf5102a3498599aa67fdfcd33fd72b6b1f83eddfd7

  • SSDEEP

    3072:sr85CpOzUlFqXfSfJKI6Q2W0VzBVO4MRrCh:k9pOYvfYzfQrCh

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_227e69c9e97e57c40341cfdd3b12c3c0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_227e69c9e97e57c40341cfdd3b12c3c0.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:1344
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_227e69c9e97e57c40341cfdd3b12c3c0.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_227e69c9e97e57c40341cfdd3b12c3c0.exe"
      2⤵
      • Executes dropped EXE
      PID:3036

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

  • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_227e69c9e97e57c40341cfdd3b12c3c0.exe

    Filesize

    104KB

    MD5

    74fa04f6fa822a007e6addec20c1ea35

    SHA1

    2d76200060da6ca416a483227b22402aeee0a98f

    SHA256

    c9c13246e8dbeee7fdbd237b1d36a72ae95cd32914a314398ba0fecab7a8e60c

    SHA512

    62e5a4bb009b67dcc259478bbb0eba58787c6231bdd103254bc34d6a696d55e5d1f747fb314e463491f58646b194af0c5252177074169424262298a1cdfcae87

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/1344-7-0x0000000002150000-0x000000000216C000-memory.dmp

    Filesize

    112KB

  • memory/1344-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1344-87-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3036-8-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB