Analysis

  • max time kernel
    95s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2024, 07:41

General

  • Target

    a96dca873347c6b6373a7a7a0bef7f77af6ffb83e584069dd673044aa244afc4N.exe

  • Size

    190KB

  • MD5

    cc5813f2a9672d02fd02ff2272995410

  • SHA1

    5b60a476c0ea29135b2192bbb9adbf93e7cbce7b

  • SHA256

    a96dca873347c6b6373a7a7a0bef7f77af6ffb83e584069dd673044aa244afc4

  • SHA512

    e5517d7d1f8c5fa8420f18e18c20f79d10ec6ed0284ed163b0f2e0236931a5ffb513e76da204c6cb279246915250dc6eb4af3ea05915bfeddddb22d06d3c73ea

  • SSDEEP

    3072:sr85CepgOZ9oQQ2WE+GuEbe/+cLB8DApbB8DApFEut:k9oZ9HQ2WYy8DM8DKjt

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 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a96dca873347c6b6373a7a7a0bef7f77af6ffb83e584069dd673044aa244afc4N.exe
    "C:\Users\Admin\AppData\Local\Temp\a96dca873347c6b6373a7a7a0bef7f77af6ffb83e584069dd673044aa244afc4N.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:2208
    • C:\Users\Admin\AppData\Local\Temp\3582-490\a96dca873347c6b6373a7a7a0bef7f77af6ffb83e584069dd673044aa244afc4N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\a96dca873347c6b6373a7a7a0bef7f77af6ffb83e584069dd673044aa244afc4N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2272
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 916
        3⤵
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:2036

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\a96dca873347c6b6373a7a7a0bef7f77af6ffb83e584069dd673044aa244afc4N.exe

    Filesize

    149KB

    MD5

    634c83a9a30395bbe05e4a267e262cf9

    SHA1

    b4e6f4afdaafc891cfdd366241d3fdb9345592fa

    SHA256

    08aec24a5cdb8291e4ca0374c376889e69fc52ee96c2618c84a4553fc9a5ea4c

    SHA512

    a20c5413aab822a7dbe300bf1444c97335eec4303983f49accb856f8a3a400affb4b9f9afeaf52b311940ffadd56213470b88f3aa3843255d53395fdb62284bc

  • memory/2208-105-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2208-106-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2208-108-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2272-12-0x0000000073B02000-0x0000000073B03000-memory.dmp

    Filesize

    4KB

  • memory/2272-13-0x0000000073B00000-0x00000000740B1000-memory.dmp

    Filesize

    5.7MB

  • memory/2272-14-0x0000000073B00000-0x00000000740B1000-memory.dmp

    Filesize

    5.7MB

  • memory/2272-21-0x0000000073B00000-0x00000000740B1000-memory.dmp

    Filesize

    5.7MB