Analysis

  • max time kernel
    181s
  • max time network
    189s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2023 20:31

General

  • Target

    NEAS.8e58c900964c6c6a987fc284e23b3350.exe

  • Size

    376KB

  • MD5

    8e58c900964c6c6a987fc284e23b3350

  • SHA1

    11d97983d82fe650b82ff08c7f5130e324509b53

  • SHA256

    8ade8ba36fd01edcc2ed33decbe2b277049b20107ed361e4337e6ba117cbe10b

  • SHA512

    31657412048dbbea8d5cc80fc28cb9a03a4b974dc32b0680a7a74d66fdca255e68850af377b1e9780728d7338029ad4009568956d1a34a0285569251b50f3551

  • SSDEEP

    6144:YVTarW9Q2d06VPAKovnQUvmmAF7J77777S40XB7:YVmrW9HNPGvnQUvmmAF7J77777SnXB7

Score
10/10

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.tripod.com
  • Port:
    21
  • Username:
    onthelinux
  • Password:
    741852abc

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.8e58c900964c6c6a987fc284e23b3350.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.8e58c900964c6c6a987fc284e23b3350.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3356
    • C:\Program Files (x86)\1ea2a93d\jusched.exe
      "C:\Program Files (x86)\1ea2a93d\jusched.exe"
      2⤵
      • Executes dropped EXE
      PID:2920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\1ea2a93d\1ea2a93d

    Filesize

    17B

    MD5

    209aa6c14d66621f3aa1cee03a8bf5dc

    SHA1

    0f5bce2a29d3306586934b6d846a172078ee8e66

    SHA256

    57ef9e3c809cf3ca41782d4c7119c3ae7e43ccbb1c00d978b745677f14b82c2e

    SHA512

    8b9fb2bcc8e8785a48d3fe212f852c2f108ef2ab20e9e2a61e9bba5857002abe9111e42411bfc573e50c126031b7ef0433bddfa357de2ca0814f7d31157b9c63

  • C:\Program Files (x86)\1ea2a93d\jusched.exe

    Filesize

    377KB

    MD5

    1b9f8fe2c1864f586f645eea03dff960

    SHA1

    1f0a146eda8efdedd5198efa96ed2bb5bd1d1293

    SHA256

    74e0282e3184ddbd7b2dd09bf5e7246ee6fc833c71e4c2347d60632a9cee6d47

    SHA512

    5f8435e23b52be6b12ea8c70c0a6a8504f6f391e03b1e2db822119a5ee7ea642a254139fc6dd980c525f9e6f08a1a589180d7f59b20ec96033989d0232360ac5

  • C:\Program Files (x86)\1ea2a93d\jusched.exe

    Filesize

    377KB

    MD5

    1b9f8fe2c1864f586f645eea03dff960

    SHA1

    1f0a146eda8efdedd5198efa96ed2bb5bd1d1293

    SHA256

    74e0282e3184ddbd7b2dd09bf5e7246ee6fc833c71e4c2347d60632a9cee6d47

    SHA512

    5f8435e23b52be6b12ea8c70c0a6a8504f6f391e03b1e2db822119a5ee7ea642a254139fc6dd980c525f9e6f08a1a589180d7f59b20ec96033989d0232360ac5

  • C:\Program Files (x86)\1ea2a93d\jusched.exe

    Filesize

    377KB

    MD5

    1b9f8fe2c1864f586f645eea03dff960

    SHA1

    1f0a146eda8efdedd5198efa96ed2bb5bd1d1293

    SHA256

    74e0282e3184ddbd7b2dd09bf5e7246ee6fc833c71e4c2347d60632a9cee6d47

    SHA512

    5f8435e23b52be6b12ea8c70c0a6a8504f6f391e03b1e2db822119a5ee7ea642a254139fc6dd980c525f9e6f08a1a589180d7f59b20ec96033989d0232360ac5

  • memory/2920-15-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2920-17-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/3356-0-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/3356-4-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/3356-16-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB