echelon | 3dfee3703ea081d2abc9a6b23c5be666a11134086326869ff6a4acb53b9c5be9

Analysis

max time kernel
54s
max time network
62s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
30-03-2023 15:03

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General

Target

Echelon.exe
Size

581KB
MD5

21a292e7e184b1f76594b25db2e651b0
SHA1

101293648396481ff270e66aecaf0e061a38313b
SHA256

3dfee3703ea081d2abc9a6b23c5be666a11134086326869ff6a4acb53b9c5be9
SHA512

83e4c304662eb5e636cd2f2a5a235be8c301a2ee23d7b7e91b70d2b10acbbd7c8250f873fdb0d23f42a4ed4ca069b07ed1945acd1627169d07e913d2f9466f97
SSDEEP

12288:actvPYVlNWEZkVlVLmZLJLUf9snBS4csPYae6qfzJAA:rsELmhhUF54clNf7JB

Score

10^/10

echelon collection discovery spyware stealer

Malware Config

Signatures

Detects Echelon Stealer payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1816-133-0x00000248C4FC0000-0x00000248C5058000-memory.dmp	family_echelon

Echelon
Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.
stealer spyware echelon
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Echelon.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Echelon.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Echelon.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Echelon.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Looks up external IP address via web service 3 IoCs

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

Processes:

flow	ioc
5	api.ipify.org
6	api.ipify.org
25	ip-api.com

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
4540	1816	WerFault.exe	82

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Echelon.exe

pid	Process
1816	Echelon.exe
1816	Echelon.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Echelon.exe

description	pid	Process
Token: SeDebugPrivilege	1816	Echelon.exe

outlook_office_path 1 IoCs

Processes:

Echelon.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Echelon.exe

outlook_win_path 1 IoCs

Processes:

Echelon.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Echelon.exe

C:\Users\Admin\AppData\Local\Temp\Echelon.exe
"C:\Users\Admin\AppData\Local\Temp\Echelon.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1816
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 1816 -s 2732
  2⤵
  - Program crash
  PID:4540

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 408 -p 1816 -ip 1816
1⤵
PID:4020

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1816-133-0x00000248C4FC0000-0x00000248C5058000-memory.dmp

Filesize
608KB

Download
memory/1816-134-0x00000248DF6A0000-0x00000248DF6B0000-memory.dmp

Filesize
64KB

Download
memory/1816-135-0x00000248DF6A0000-0x00000248DF6B0000-memory.dmp

Filesize
64KB

Download