Analysis

  • max time kernel
    94s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2024 16:17

General

  • Target

    681032e44d3bc984481251c103019f4b9472117f9b11f1680a16f58f3acd31d7N.exe

  • Size

    1.1MB

  • MD5

    90de78b92c95d736a8ece8de2b28efa0

  • SHA1

    30dd04b48fae5fd8a1350f3cf47fbcc833df432b

  • SHA256

    681032e44d3bc984481251c103019f4b9472117f9b11f1680a16f58f3acd31d7

  • SHA512

    e38785234270c3f894564cc94d36660a160d76dd1d8d8a4f1cd32ec6fa1c2156dc7b6f6cf138be7af4077fe48c47721811303fe19365c705ff62d72e973c165b

  • SSDEEP

    24576:o+/9A2YCDLq10eyJJe9Dx3qseCYVfuyZWcfwpg4V12qDUifJ4KNX2DHbs7+UA3lH:19A4LqD+66qJ3vNGDHg7vQUu

Malware Config

Signatures

  • Detect Neshta payload 5 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\681032e44d3bc984481251c103019f4b9472117f9b11f1680a16f58f3acd31d7N.exe
    "C:\Users\Admin\AppData\Local\Temp\681032e44d3bc984481251c103019f4b9472117f9b11f1680a16f58f3acd31d7N.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:1064
    • C:\Users\Admin\AppData\Local\Temp\3582-490\681032e44d3bc984481251c103019f4b9472117f9b11f1680a16f58f3acd31d7N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\681032e44d3bc984481251c103019f4b9472117f9b11f1680a16f58f3acd31d7N.exe"
      2⤵
      • Executes dropped EXE
      PID:1236

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\681032e44d3bc984481251c103019f4b9472117f9b11f1680a16f58f3acd31d7N.exe

    Filesize

    1.1MB

    MD5

    b774b9151299d3da4dbb204c1b87fbae

    SHA1

    62ddbe410f086ec462417705cd6f4fc1c05e8271

    SHA256

    e148af39e55602da2309f4b51bb08338dbba16d59622dcd4fa21ade574616780

    SHA512

    70c590d9ae62023748664c7c35dae2f6bc5c80a16f934aa1bbabdd506387814330b4712ed6d945cf3da959eea2900aa713d7153cbe7706abbe76a31d035bdbdf

  • memory/1064-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1064-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1064-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1064-87-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB