Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/11/2024, 10:37

General

  • Target

    6d8039876891e325549b62e01482dd2fea16aaba010f5eedf089d8a79dbc1765N.exe

  • Size

    2.3MB

  • MD5

    bf5354926d7ba8ffd79442a8ea71afe0

  • SHA1

    2857321b98d878cf32691f91588255c9fc6e5522

  • SHA256

    6d8039876891e325549b62e01482dd2fea16aaba010f5eedf089d8a79dbc1765

  • SHA512

    31edff28a2dd92fd4ac9d6a67a1da3e74191b937a223849a2905b5872b7ed024516c3e12681d62a4f28f75ec27ff4fd177d77e8615271be9656298727fd141e0

  • SSDEEP

    49152:pXBetXiyqGdkXDHpiEJ+jHF3Oyp0ObyYVpopwo9Ff/kzM4xoB+dKMYNlC1:wSeFMRa

Malware Config

Signatures

  • Neshta

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

  • Neshta family
  • 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 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6d8039876891e325549b62e01482dd2fea16aaba010f5eedf089d8a79dbc1765N.exe
    "C:\Users\Admin\AppData\Local\Temp\6d8039876891e325549b62e01482dd2fea16aaba010f5eedf089d8a79dbc1765N.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:3092
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6d8039876891e325549b62e01482dd2fea16aaba010f5eedf089d8a79dbc1765N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6d8039876891e325549b62e01482dd2fea16aaba010f5eedf089d8a79dbc1765N.exe"
      2⤵
      • Executes dropped EXE
      PID:2216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

    Filesize

    2.4MB

    MD5

    d9e8a1fa55faebd36ed2342fedefbedd

    SHA1

    c25cc7f0035488de9c5df0121a09b5100e1c28e9

    SHA256

    bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a

    SHA512

    134644c68bd04536e9ea0a5da6e334d36b1ce8012a061fa6dabd31f85c16a1ac9eee8c40fee3d55f25c4d4edf0672de8ce204e344c800361cbcff092c09d7a33

  • C:\Users\Admin\AppData\Local\Temp\3582-490\6d8039876891e325549b62e01482dd2fea16aaba010f5eedf089d8a79dbc1765N.exe

    Filesize

    2.2MB

    MD5

    1640cd21b59890eec06dbaa901c79a2e

    SHA1

    d7212941689dd8d7b4888c0d431fdd3fc3396091

    SHA256

    174f1656744f83060f0ce4b72039e67dd53b515feaf4ae8f6102657398e14150

    SHA512

    f3c2ea93f9d895efcafc39f310d7cf24c8350a0001fd4a6b0827bf400418e56abe6b8cacf5b4ad74a601fa6ffd2bc2d5332c41235f9d1fbb4889fe211cd1a3fd

  • memory/3092-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3092-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3092-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB