Analysis

  • max time kernel
    140s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-03-2024 18:51

General

  • Target

    2222-main/mySThe.exe

  • Size

    1.0MB

  • MD5

    6d298ea9fddcb15bc12be3699b88724e

  • SHA1

    946732233c9490060639a44ea593f2ccd6ddc30b

  • SHA256

    74499fe96913a5ec1b89d8b79ca8bf2d3fd598c0d65339bd6d6223599f20aa7b

  • SHA512

    40e40caaf22651eb749694b1827f1902c89935bb5f40baf7ec3c68bfd277b68bd76c3a7c54cfa4ce7959b7067b6fb00ec1513f57e330df7790a95e7ed6ebc8ed

  • SSDEEP

    24576:PjE5gAVhhUF54clNf7+6uHAW92zt/sWu2BSMCqDoR4E:yo54clgLH+tkWJ0Nj

Score
10/10

Malware Config

Signatures

  • Detects Echelon Stealer payload 1 IoCs
  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2222-main\mySThe.exe
    "C:\Users\Admin\AppData\Local\Temp\2222-main\mySThe.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3564
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1412 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2764

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Z078BFBFF000306D2A4B55DEC14\14078BFBFF000306D2A4B55DECZ\Browsers\Passwords\Passwords_Edge.txt

      Filesize

      426B

      MD5

      42fa959509b3ed7c94c0cf3728b03f6d

      SHA1

      661292176640beb0b38dc9e7a462518eb592d27d

      SHA256

      870ef3d2370932a8938faa60abd47d75ea0af98bfa11c82ae8efe9e94fd8be00

      SHA512

      7def291737d081c93d0cc38ac8d3062fd34d93b68d191eb0d54e9857e0c0afdbcd241471a2e10c28ce8db3b1d1ae0dba2ef6f609cfe8a1e8fe1dd103dba80007

    • memory/3564-0-0x0000000000BD0000-0x0000000000CD6000-memory.dmp

      Filesize

      1.0MB

    • memory/3564-1-0x00007FF97AA10000-0x00007FF97B4D1000-memory.dmp

      Filesize

      10.8MB

    • memory/3564-2-0x000000001C900000-0x000000001C910000-memory.dmp

      Filesize

      64KB

    • memory/3564-3-0x0000000003890000-0x0000000003906000-memory.dmp

      Filesize

      472KB

    • memory/3564-71-0x00007FF97AA10000-0x00007FF97B4D1000-memory.dmp

      Filesize

      10.8MB