Analysis

  • max time kernel
    106s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-10-2024 22:00

General

  • Target

    6127a95a057f5d163ce1258402ad039bf80202da15ce174e049080fd12a39d16N.exe

  • Size

    1.9MB

  • MD5

    13dfc0bc87a714721d4ddf4e45d71330

  • SHA1

    a0ae1cc0fb7e0883d94291954042d23a9ed072b9

  • SHA256

    6127a95a057f5d163ce1258402ad039bf80202da15ce174e049080fd12a39d16

  • SHA512

    9a3c7cfe0c38564bc05f31bd47a3c3326d010abbf8d7bbc8ce54182798e9eb9f4e3f7d314cb7ffab6fb19b928e582dcc3187d8ee03a329d54c562d0ea75ccec8

  • SSDEEP

    49152:xVHFXSFEmqiDqCbS1gickVsPTpuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuTuuuL:xVHFXSCmqsSgfkVsNuuuuuuuuuuuuuub

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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6127a95a057f5d163ce1258402ad039bf80202da15ce174e049080fd12a39d16N.exe
    "C:\Users\Admin\AppData\Local\Temp\6127a95a057f5d163ce1258402ad039bf80202da15ce174e049080fd12a39d16N.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:4536
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6127a95a057f5d163ce1258402ad039bf80202da15ce174e049080fd12a39d16N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6127a95a057f5d163ce1258402ad039bf80202da15ce174e049080fd12a39d16N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      PID:4572

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\6127a95a057f5d163ce1258402ad039bf80202da15ce174e049080fd12a39d16N.exe

    Filesize

    1.9MB

    MD5

    b79d1ebbed7f7a2620969c30eb969938

    SHA1

    4085487708f96f2ad6f08fa3bdeb812de523c2a8

    SHA256

    1ee433065ea08a8c5d4732a481d87b1580adb52bcb99185a7a6dde0a9c1fb377

    SHA512

    7bf50c0f0084dc8268e29d885f88e582bdde3885d7c2a1a7ef3691f63174a1f645cdb4d2721ef39968c95f1f88353aef0a30da25e6d304c674957e3408303241

  • memory/4536-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4536-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4536-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB