Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2024 04:53

General

  • Target

    9ef78ca8e1be8c59bee39b84fd295acf03c9d7667e5419dc8777c5b4da0deeaeN.exe

  • Size

    892KB

  • MD5

    d5d30ec9bad8d9aa8eba0358880a6480

  • SHA1

    d343c880021583453ecfe088365fdf124c212ead

  • SHA256

    9ef78ca8e1be8c59bee39b84fd295acf03c9d7667e5419dc8777c5b4da0deeae

  • SHA512

    f233029b97b20de628e3326e9c29381a83fbb90794e501bf2b4f76747f95eaacceb85a1b7fad4a86da1b5740c0e59e675bf111625cf8be30c0cd2855b3e89d9f

  • SSDEEP

    24576:qOcKiCuljxYn1emmbyGK+y/Iq02knsgCMp:EljZbyGK+0tknsup

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 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\9ef78ca8e1be8c59bee39b84fd295acf03c9d7667e5419dc8777c5b4da0deeaeN.exe
    "C:\Users\Admin\AppData\Local\Temp\9ef78ca8e1be8c59bee39b84fd295acf03c9d7667e5419dc8777c5b4da0deeaeN.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:2960
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9ef78ca8e1be8c59bee39b84fd295acf03c9d7667e5419dc8777c5b4da0deeaeN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9ef78ca8e1be8c59bee39b84fd295acf03c9d7667e5419dc8777c5b4da0deeaeN.exe"
      2⤵
      • Executes dropped EXE
      PID:2360

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\9ef78ca8e1be8c59bee39b84fd295acf03c9d7667e5419dc8777c5b4da0deeaeN.exe

    Filesize

    852KB

    MD5

    571a2496704629b9d24660f52a194a78

    SHA1

    5e988342d706b6155dc809686e1f367171659fba

    SHA256

    3960db83f323ba7a69851ca0e79ba6d8f8defbdc92d93a00beba0a3650e6343e

    SHA512

    bb40d8be0489e65bec5e038dfb3446ec433e86d0a59a0a07f42c531d4c68daebc3f3f6b62f856df2a451a0411a703efec45302b966f989080156c708a027601a

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2360-88-0x0000000000400000-0x00000000004D6000-memory.dmp

    Filesize

    856KB

  • memory/2960-10-0x0000000002880000-0x0000000002956000-memory.dmp

    Filesize

    856KB

  • memory/2960-9-0x0000000002880000-0x0000000002956000-memory.dmp

    Filesize

    856KB

  • memory/2960-89-0x0000000002880000-0x0000000002956000-memory.dmp

    Filesize

    856KB

  • memory/2960-90-0x0000000002880000-0x0000000002956000-memory.dmp

    Filesize

    856KB

  • memory/2960-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2960-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB