Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/12/2024, 00:02

General

  • Target

    779daacaea7a7b5ed8ffb5c0598e3ebd98f21ce8de056d33131d69696a4b59d7.exe

  • Size

    89KB

  • MD5

    36912d13ecaa5ed66229a1796528f2dc

  • SHA1

    233a1f81193eb4565d2130381b9ec68d6db1bc4b

  • SHA256

    779daacaea7a7b5ed8ffb5c0598e3ebd98f21ce8de056d33131d69696a4b59d7

  • SHA512

    6a78cb660b5f254a108f08e5c6f006ccf8120a4c6b52d4e32dffc041464d8692b3493a47be47155f2792f88be40d112a402ef3bc83cf700351cc5013c86a967e

  • SSDEEP

    1536:JxqjQ+P04wsmJCe0Phu/xpW2ZCTMJYexWa66uMq0upYFOgJw/0uotnLP+2qqqqqJ:sr85C9PSUTMmey057ew33E

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.

  • 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 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 WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\779daacaea7a7b5ed8ffb5c0598e3ebd98f21ce8de056d33131d69696a4b59d7.exe
    "C:\Users\Admin\AppData\Local\Temp\779daacaea7a7b5ed8ffb5c0598e3ebd98f21ce8de056d33131d69696a4b59d7.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:4708
    • C:\Users\Admin\AppData\Local\Temp\3582-490\779daacaea7a7b5ed8ffb5c0598e3ebd98f21ce8de056d33131d69696a4b59d7.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\779daacaea7a7b5ed8ffb5c0598e3ebd98f21ce8de056d33131d69696a4b59d7.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2292

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        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\779daacaea7a7b5ed8ffb5c0598e3ebd98f21ce8de056d33131d69696a4b59d7.exe

          Filesize

          49KB

          MD5

          337e5ca589020ab60a1773e5d6eb3828

          SHA1

          c776a0ff6249c991033e1bb69ce555e75c0b6dfa

          SHA256

          7047fc117eb33be32a9a87242e680b3e9cb12faa66348ab54a3b338bac735490

          SHA512

          63983f266d982808b614248bf3f6d5c51f18fa447e347fbf9f497f5e3e394164ed3cba396c38790a4dd55caaf196dddf83b7ec8d7239bc55ba511ad79fd4c7b0

        • memory/4708-92-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/4708-93-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/4708-95-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB