Analysis

  • max time kernel
    15s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    22-07-2024 22:25

General

  • Target

    1d9d8b7879afd5012d4ec3127b5f1f30N.exe

  • Size

    4.6MB

  • MD5

    1d9d8b7879afd5012d4ec3127b5f1f30

  • SHA1

    39965b6343a0aefd3c99e889569b15c8cd71f77c

  • SHA256

    a88f960e928c25ce8f95a503d3ebbf075de87d18bb0c4f33485d25f43d50cc11

  • SHA512

    a4da607968852329e69200c92471cbb800ff695d69bf56a24a5a01d75f32bf675c6e7275ffb2d13ee1c7761d65b28a25aa94dbb8687a3c2e12919614370b057a

  • SSDEEP

    49152:bCnLqvooHgjB/Xp5J1dTbehABz8iyl3meAryb39CzUP66PCelDVse2DFiE5fpF6o:uLqvoxD5C7oBxB5fS8gzYX6Xej

Malware Config

Signatures

  • Detect Neshta payload 2 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • 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 2 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).

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1d9d8b7879afd5012d4ec3127b5f1f30N.exe
    "C:\Users\Admin\AppData\Local\Temp\1d9d8b7879afd5012d4ec3127b5f1f30N.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Users\Admin\AppData\Local\Temp\3582-490\1d9d8b7879afd5012d4ec3127b5f1f30N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\1d9d8b7879afd5012d4ec3127b5f1f30N.exe"
      2⤵
      • Executes dropped EXE
      PID:2172

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    a03896fb4ccae005d71bbe5b476b60b6

    SHA1

    080bcfcc57434c2a74279a93d4624bce8c8d8f92

    SHA256

    ff2ef0c3a21a89a09e38bb46689b8684e8c749206427d55941f6a8aa581ec0b6

    SHA512

    ca716b3ca64dc51b21e72effe83e71873aaa5b63b34b397add935cfb40684c1c169b43671e273f10733fb366aa9641ed18886cb9652998e38516eba60b8fedb5

  • C:\Users\Admin\AppData\Local\Temp\3582-490\1d9d8b7879afd5012d4ec3127b5f1f30N.exe

    Filesize

    4.5MB

    MD5

    e00c9e5cde84192ebc4d55bb16aa27b7

    SHA1

    c45672062008ee73436fc2f16b045376bb29a060

    SHA256

    8e9753c48cc7093e0d454a86348a1234983d122b34976d1d31b174a05f10bac9

    SHA512

    3933acf89e860aa2a32215cb63c77f71fa58fbcec37445e62dbd1f97530a9f4467c028647ff1f4acf3ab0f668ab1db505bf2a0fa1b93ef48169d854a5cf87434

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2384-1-0x0000000000400000-0x000000000102C000-memory.dmp

    Filesize

    12.2MB

  • memory/2384-3-0x00000000003D0000-0x00000000003E0000-memory.dmp

    Filesize

    64KB

  • memory/2384-84-0x0000000000400000-0x000000000102C000-memory.dmp

    Filesize

    12.2MB

  • memory/2384-87-0x0000000000400000-0x000000000102C000-memory.dmp

    Filesize

    12.2MB