Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/10/2024, 22:57

General

  • Target

    78f032447cacc7db1d7b295bab5d0ef83e2132491254049a9b21c1d391304606.exe

  • Size

    159KB

  • MD5

    7384c984a16fcb2bc05bcd575105fdff

  • SHA1

    bce8121e19d820f84b7dbf170d77880bf64d88db

  • SHA256

    78f032447cacc7db1d7b295bab5d0ef83e2132491254049a9b21c1d391304606

  • SHA512

    892d4d1b8fde5d608a26ef6f1f0be368e17a6847b9727a9ab885c940cb7793665be97d2ec475c223b1ade99045289362dc029a623424ac6dca55dfccd9bc7c3b

  • SSDEEP

    1536:JxqjQ+P04wsmJCeZPGtU1ZY3VBXLYXzXwl4ePOmCndzT+O+CY1abTIrDVBXLYXzw:sr85CeZuaYlB8DApWmozTrfiUc5B8DAH

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
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\78f032447cacc7db1d7b295bab5d0ef83e2132491254049a9b21c1d391304606.exe
    "C:\Users\Admin\AppData\Local\Temp\78f032447cacc7db1d7b295bab5d0ef83e2132491254049a9b21c1d391304606.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:1632
    • C:\Users\Admin\AppData\Local\Temp\3582-490\78f032447cacc7db1d7b295bab5d0ef83e2132491254049a9b21c1d391304606.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\78f032447cacc7db1d7b295bab5d0ef83e2132491254049a9b21c1d391304606.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:456
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 2004
        3⤵
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:2400

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\78f032447cacc7db1d7b295bab5d0ef83e2132491254049a9b21c1d391304606.exe

    Filesize

    119KB

    MD5

    8738171ecef9a9eff88343ca0c7a5a2b

    SHA1

    7733a3f36d04fb608d19404a9beb047f210f2024

    SHA256

    d7d9a6da9d42c211e7b746dfef5b22e996f854d963bd8cc032b3ce5b340c21ab

    SHA512

    264d9147e2e12c8eabd1ddbe983451d4f9cb609b466f9bdd37445eee2f32007cff9c3154b2af6f8b3b3aa72a6c4160001689b15aed111e98557937dec5152036

  • memory/456-12-0x0000000073812000-0x0000000073813000-memory.dmp

    Filesize

    4KB

  • memory/456-13-0x0000000073810000-0x0000000073DC1000-memory.dmp

    Filesize

    5.7MB

  • memory/456-14-0x0000000073810000-0x0000000073DC1000-memory.dmp

    Filesize

    5.7MB

  • memory/456-107-0x0000000073810000-0x0000000073DC1000-memory.dmp

    Filesize

    5.7MB

  • memory/1632-123-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1632-124-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1632-126-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB