Analysis

  • max time kernel
    133s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    09-03-2022 14:49

General

  • Target

    54ea2a61aa910b1286c4edaea7e386f98fd69bdd3b9b70917e5f90a87fb7af6b.exe

  • Size

    1.4MB

  • MD5

    96127d9e1b2cb73d2c730948a775b392

  • SHA1

    79984d083c2f2f068c1cd95a83098b86bed49016

  • SHA256

    54ea2a61aa910b1286c4edaea7e386f98fd69bdd3b9b70917e5f90a87fb7af6b

  • SHA512

    3d9e99b0150f0c0f39108a7ccc45af3736917b7368212b36bf14b4a59c83485ede0cac25bc764ecca72ae72fbf39624f6d6a8bedb65ce2cae73574b617db04c9

Malware Config

Signatures

  • Echelon

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

  • Echelon log file 1 IoCs

    Detects a log file produced by Echelon.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 4 IoCs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\54ea2a61aa910b1286c4edaea7e386f98fd69bdd3b9b70917e5f90a87fb7af6b.exe
    "C:\Users\Admin\AppData\Local\Temp\54ea2a61aa910b1286c4edaea7e386f98fd69bdd3b9b70917e5f90a87fb7af6b.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:1288
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1288 -s 1696
      2⤵
      • Program crash
      PID:1408

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1288-55-0x000007FEF51A0000-0x000007FEF5B8C000-memory.dmp
    Filesize

    9.9MB

  • memory/1288-56-0x0000000000C70000-0x0000000000DDE000-memory.dmp
    Filesize

    1.4MB

  • memory/1288-57-0x000000001D3F0000-0x000000001D3F2000-memory.dmp
    Filesize

    8KB