Analysis

  • max time kernel
    110s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2024 13:34

General

  • Target

    0adbbb38f58aa52b38cc8683e473639bf8f4ffd166126d5424ea90f293cfe3e7N.exe

  • Size

    2.2MB

  • MD5

    5cb187699d16be88ca14f257144b5140

  • SHA1

    a78b2322b259a2792328aca56f1714135db9c129

  • SHA256

    0adbbb38f58aa52b38cc8683e473639bf8f4ffd166126d5424ea90f293cfe3e7

  • SHA512

    b53a9358e13ef478b77b1724c552763eca01e32b7bc958ca60e2819dc49069283e222ad2004813bbc811e00c7046b907c786c27bbf30c61d42aced83c9d1c064

  • SSDEEP

    49152:SFiLDnQA/q4qCW88jJthshzyuTFbEZgNvjyjI/3K:SUQASvCWZtsgupEZghjyjIi

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 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 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0adbbb38f58aa52b38cc8683e473639bf8f4ffd166126d5424ea90f293cfe3e7N.exe
    "C:\Users\Admin\AppData\Local\Temp\0adbbb38f58aa52b38cc8683e473639bf8f4ffd166126d5424ea90f293cfe3e7N.exe"
    1⤵
    • Checks computer location settings
    • 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:2296
    • C:\Users\Admin\AppData\Local\Temp\3582-490\0adbbb38f58aa52b38cc8683e473639bf8f4ffd166126d5424ea90f293cfe3e7N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\0adbbb38f58aa52b38cc8683e473639bf8f4ffd166126d5424ea90f293cfe3e7N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\0adbbb38f58aa52b38cc8683e473639bf8f4ffd166126d5424ea90f293cfe3e7N.exe

    Filesize

    2.2MB

    MD5

    0659db167514227c61919b6a805f32c4

    SHA1

    5ffdf30ef053d7e164b913b451864ea78e0e418d

    SHA256

    dc6b5dde3146d43c64bf64271950b8e55b6f35daee1bf673d2dded08bc681c8c

    SHA512

    e08f3014dacd2c6e35c0ebfa2f331b208cff6d6afe40d3d70e1e45cd5e302d8c5e529db97b29ea6ff79a4138320cdb83bbddd103f156ad5b363b9d44d7021acf

  • memory/2296-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2296-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2296-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3004-93-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB