Analysis

  • max time kernel
    91s
  • 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
    03-01-2025 14:31

General

  • Target

    9cb6a99c30db9a03d7e799f8d8f3fba278588a47cedd8fea0836c847faf80d4eN.exe

  • Size

    91KB

  • MD5

    2d254be9aa61fc124593806be012f600

  • SHA1

    ebe1d47fe516f0da936f4794bd71c74a33abb9ab

  • SHA256

    9cb6a99c30db9a03d7e799f8d8f3fba278588a47cedd8fea0836c847faf80d4e

  • SHA512

    380fec61fb6a132f745d11f6986537ae3fb6be73089c1e910d7be082b1ac0dc91cb39ca419a0ca669495081fdd5454009663a09c0395cb88393a54c7202f9400

  • SSDEEP

    1536:JxqjQ+P04wsmJCoR9UfIciBkCcno70qWQFCyjsjT:sr85CCFk1noojQFCIyT

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 1 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9cb6a99c30db9a03d7e799f8d8f3fba278588a47cedd8fea0836c847faf80d4eN.exe
    "C:\Users\Admin\AppData\Local\Temp\9cb6a99c30db9a03d7e799f8d8f3fba278588a47cedd8fea0836c847faf80d4eN.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:2968
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9cb6a99c30db9a03d7e799f8d8f3fba278588a47cedd8fea0836c847faf80d4eN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9cb6a99c30db9a03d7e799f8d8f3fba278588a47cedd8fea0836c847faf80d4eN.exe"
      2⤵
      • Executes dropped EXE
      PID:4824

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\9cb6a99c30db9a03d7e799f8d8f3fba278588a47cedd8fea0836c847faf80d4eN.exe

    Filesize

    50KB

    MD5

    c577d02361aed7cd38dec7fed525a926

    SHA1

    7ef856e17b95b47c4c2c6091522c01b810234b7d

    SHA256

    58e17f9855f230488f6f3d7e7a256d39d32b689442eb898e5e04cd06b71f7f0f

    SHA512

    d09d673375e1d3317cab8e8580f8ae808098f64cb66fbedfa12f8e36c2cb36136ae4454bd7d32ccf270760d4d450ab3d9abde2b4dca1bcb9e93906ae15802b33

  • memory/2968-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2968-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2968-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB