Analysis

  • max time kernel
    98s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-07-2024 02:15

General

  • Target

    390e2baabc396c5b04a8f069e3d93200N.exe

  • Size

    1.3MB

  • MD5

    390e2baabc396c5b04a8f069e3d93200

  • SHA1

    45468469500ba0a9cd352960fad8499d263dcc8d

  • SHA256

    e85695e600e20f06acf356c5f97070c21491648c10997625050a96d1c47691e4

  • SHA512

    7d1a673efb215abe427b0d3ada9732e3c2ca2bb0644ccb4f74adbe68d7c1c766117227ab7c93302a41908a308c2d22ba81d308a5a54833e3dadf344e2d771771

  • SSDEEP

    24576:/bbPImgK4brDi4IxgRqzwqNb+Yz73P2EMZbG0JEtp5qx9U1C:/HeKh4nqzF3PYdStpM3

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 2 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\390e2baabc396c5b04a8f069e3d93200N.exe
    "C:\Users\Admin\AppData\Local\Temp\390e2baabc396c5b04a8f069e3d93200N.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:3160
    • C:\Users\Admin\AppData\Local\Temp\3582-490\390e2baabc396c5b04a8f069e3d93200N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\390e2baabc396c5b04a8f069e3d93200N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2332

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\390e2baabc396c5b04a8f069e3d93200N.exe

    Filesize

    1.2MB

    MD5

    838193255fc60eb02d15a546974e310b

    SHA1

    0ff7362ce8d44a489869dd364385d363f57ba942

    SHA256

    f8b6340d53923f38d8964385b4ea66b3745e90226f955f126131ac1266a49845

    SHA512

    07172e892301b18ea0e9883ddc1f34bac6ebdd12de755be601aafa168aa8a4560e120652dee66d41d94a0aac7be19ee841a83b2858ebca2aa66ffce092d9fe0d

  • memory/2332-11-0x0000000002300000-0x0000000002301000-memory.dmp

    Filesize

    4KB

  • memory/2332-97-0x0000000000400000-0x0000000000543000-memory.dmp

    Filesize

    1.3MB

  • memory/3160-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3160-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3160-101-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB