Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2024 04:14

General

  • Target

    8cce9ebcb7c672d4b0d7eb3e375fc8d988e0bfca6087d437fc26eb76a86e0056N.exe

  • Size

    1.4MB

  • MD5

    f3f8bb8189d49463576ff1e6fb7e45e0

  • SHA1

    7702eba81b21ebc988c02f6bb2fb08132aff0d4c

  • SHA256

    8cce9ebcb7c672d4b0d7eb3e375fc8d988e0bfca6087d437fc26eb76a86e0056

  • SHA512

    b6bc9f1dcd3b9bb92110f58613d1d7747ecd86d7c08933db5c72d3b346d70d513827e7ea690946fa1dfe8d8cfb45697b512a32cdabc3609f0924fa3f2b9068b0

  • SSDEEP

    24576:Xjh8+TnoBp4AoFSk+K2sxlSVjJ3FZenFUR5Dnj1gCDb4lP1kO4mLiwWKoBp4A/tn:XjhXnoBp1W2sxHeR1IriyoBp3l

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 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8cce9ebcb7c672d4b0d7eb3e375fc8d988e0bfca6087d437fc26eb76a86e0056N.exe
    "C:\Users\Admin\AppData\Local\Temp\8cce9ebcb7c672d4b0d7eb3e375fc8d988e0bfca6087d437fc26eb76a86e0056N.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:2316
    • C:\Users\Admin\AppData\Local\Temp\3582-490\8cce9ebcb7c672d4b0d7eb3e375fc8d988e0bfca6087d437fc26eb76a86e0056N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\8cce9ebcb7c672d4b0d7eb3e375fc8d988e0bfca6087d437fc26eb76a86e0056N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1860

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\8cce9ebcb7c672d4b0d7eb3e375fc8d988e0bfca6087d437fc26eb76a86e0056N.exe

    Filesize

    1.3MB

    MD5

    038d4d26acaca8b1bf2bca1f6e13ba80

    SHA1

    7a7a00e63918b3b530c02cbd3a2f3df46d2036df

    SHA256

    93b9de58dfc5dc8ee0bab8badfa92054b1100129b45be4f1a45132dfa16b5d76

    SHA512

    fc04a41ed0c9c7abfadf4b365cc0bb08cdc93ee8a3dfd5c09595bfb0e5bb6cafbbd920ee5fc33fc684fd561d6a04b56cac5fa5e21d9e7e331535ccd6f05fecd1

  • memory/2316-88-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2316-90-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB