Analysis

  • max time kernel
    93s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2024 01:25

General

  • Target

    5e46e625f028491aab65f1af9667e9f2fc7f6219e42a273ea516f4c67eaa8d47N.exe

  • Size

    3.3MB

  • MD5

    7a8e48e68baf8e4989d1ea30772b3870

  • SHA1

    cd0f035d22dcb67153d81dcbcfb23c3865a921e7

  • SHA256

    5e46e625f028491aab65f1af9667e9f2fc7f6219e42a273ea516f4c67eaa8d47

  • SHA512

    e6612d76722920434d5cb36fb6564353c9f817817a635fd381fca678146bd3d5ba1c2bb41bbb406552398da90b64f8e35c8a8f36ddc0d849e23a94e7946cb74d

  • SSDEEP

    98304:j55sxEvfDild7Cp2xtx4DU0psrKmQ8NAf5vZecpH/UIhkt:7sxEvfDild7Cp2xtx4DU0psrKmQ8NAf8

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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e46e625f028491aab65f1af9667e9f2fc7f6219e42a273ea516f4c67eaa8d47N.exe
    "C:\Users\Admin\AppData\Local\Temp\5e46e625f028491aab65f1af9667e9f2fc7f6219e42a273ea516f4c67eaa8d47N.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:4224
    • C:\Users\Admin\AppData\Local\Temp\3582-490\5e46e625f028491aab65f1af9667e9f2fc7f6219e42a273ea516f4c67eaa8d47N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\5e46e625f028491aab65f1af9667e9f2fc7f6219e42a273ea516f4c67eaa8d47N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2888

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\5e46e625f028491aab65f1af9667e9f2fc7f6219e42a273ea516f4c67eaa8d47N.exe

    Filesize

    3.2MB

    MD5

    c6e0b3f564b983268b06d575beabc697

    SHA1

    c8bc3507655b322bdd601a4876d6e88acc30e758

    SHA256

    05f0a084bd0aa23a835ed31cd8a37a89df66efbf2b20956636a8fab4dbe971b6

    SHA512

    35334052db3a7e2834e1d267747546ba1f329e0db8cb87ace3512e5d191eacba848eff271d08dece2061bece4ef9932b2c0cae17a0f7149f87a1dd142e3c6591

  • memory/4224-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4224-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4224-100-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB