Analysis

  • max time kernel
    92s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-01-2025 01:00

General

  • Target

    e97a27c23013a65b0b12946ce55203d1b835e606073fa980656f400b454c14c0N.exe

  • Size

    598KB

  • MD5

    6278f45ad5678e6220d28c0927dae890

  • SHA1

    ac810e9d293828b38116871bc7b848845bf04d7c

  • SHA256

    e97a27c23013a65b0b12946ce55203d1b835e606073fa980656f400b454c14c0

  • SHA512

    ca6e8c1d2d6eb295d02fa23647b6f6477f8457409b6cab71ae49f1a5b99627bae5103bca2e991b4993837a34f10bd0d94d6f433cb1d2bc2c451dc78c6fc998b5

  • SSDEEP

    6144:k9NTJutCY/5/WvBMOUijERJcpHpO680ClbxrcG0NagSjx7pwco3/NFRYqAHzrGvk:2QtBXwm8J1ClbxraAgSjlo/NHYLivk

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\e97a27c23013a65b0b12946ce55203d1b835e606073fa980656f400b454c14c0N.exe
    "C:\Users\Admin\AppData\Local\Temp\e97a27c23013a65b0b12946ce55203d1b835e606073fa980656f400b454c14c0N.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:3468
    • C:\Users\Admin\AppData\Local\Temp\3582-490\e97a27c23013a65b0b12946ce55203d1b835e606073fa980656f400b454c14c0N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\e97a27c23013a65b0b12946ce55203d1b835e606073fa980656f400b454c14c0N.exe"
      2⤵
      • Executes dropped EXE
      PID:1220

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\e97a27c23013a65b0b12946ce55203d1b835e606073fa980656f400b454c14c0N.exe

    Filesize

    557KB

    MD5

    6aba63c1e411728f94fc231d42de4d54

    SHA1

    4895242cb6351a006e083e8b05d95b4fda914d0b

    SHA256

    de4870b74c25f398ed4c235e0405c72062811b6da5f78e8cffe52ffac9d7b15a

    SHA512

    f47c0f8d1b041ee4588eef719e5e50322d7a0bd4ece205d3f136ed0acd5695c5c74144cd7d3477f362ff81d47f187d3688634b7164508c7570ef29e59d19208c

  • memory/3468-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3468-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3468-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB