Analysis

  • max time kernel
    13s
  • max time network
    15s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    16-02-2021 19:57

General

  • Target

    Output.exe

  • Size

    1.2MB

  • MD5

    3ee3964b6d55f0657fffcf7594f9309f

  • SHA1

    7e4cb727fdc895d4497ffd0d83b810fed8a880dc

  • SHA256

    b5a96378e32e7b20fd73fe5f634729280684bbb146f183b80751680a0e42191d

  • SHA512

    81cdb9d4cf9ba6f3e04e1ec59cf817d0ef54a8d4a135e7018b4045243f7d1d1bb3f3143500a8a5bdf643d879f510450bc14a71715177072eea9a3be833e9d896

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.

  • 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 3 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Output.exe
    "C:\Users\Admin\AppData\Local\Temp\Output.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1932

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1932-2-0x000007FEF5450000-0x000007FEF5E3C000-memory.dmp
    Filesize

    9.9MB

  • memory/1932-3-0x00000000010A0000-0x00000000010A1000-memory.dmp
    Filesize

    4KB

  • memory/1932-5-0x000000001BD50000-0x000000001BD52000-memory.dmp
    Filesize

    8KB

  • memory/1932-6-0x000000001BD56000-0x000000001BD75000-memory.dmp
    Filesize

    124KB

  • memory/1932-7-0x000000001BD75000-0x000000001BD76000-memory.dmp
    Filesize

    4KB

  • memory/1932-8-0x000000001BD76000-0x000000001BD77000-memory.dmp
    Filesize

    4KB

  • memory/1932-9-0x000000001BD77000-0x000000001BD78000-memory.dmp
    Filesize

    4KB

  • memory/1932-10-0x000000001BD78000-0x000000001BD79000-memory.dmp
    Filesize

    4KB