echelon | f9f1b8511b6a2f81a35a80fff4880d38fa00c30b10ebb5aecccbfcfb1ff086af

Analysis

max time kernel
78s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2023 16:37

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General

Target

Echelon.exe
Size

592KB
MD5

42c949896f36865721df77cebebd9705
SHA1

2c9fd967cd744340f133ab997280c62c6d1bd2a2
SHA256

f9f1b8511b6a2f81a35a80fff4880d38fa00c30b10ebb5aecccbfcfb1ff086af
SHA512

f3db8c7c6cd8672c2dd1c5716c75438e5c59706849caaa40453f26bb00da034d4cb44f3e15775679998d575bf15eddcce15c16f405fdc87b568a6705826ada79
SSDEEP

12288:LeI8SoKDZLJLUf9snBS4csPYae6qfzqAA:9oKDhhUF54clNf7qB

Score

10^/10

echelon collection discovery spyware stealer

Malware Config

Signatures

Detects Echelon Stealer payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4880-133-0x0000022543E40000-0x0000022543EDA000-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-1-5-21-922299981-3641064733-3870770889-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Echelon.exe
Key opened	\REGISTRY\USER\S-1-5-21-922299981-3641064733-3870770889-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Echelon.exe
Key opened	\REGISTRY\USER\S-1-5-21-922299981-3641064733-3870770889-1000\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

47 ip-api.com
7 api.ipify.org
8 api.ipify.org
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3832 4880 WerFault.exe Echelon.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Echelon.exe

pid process

4880 Echelon.exe
4880 Echelon.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Echelon.exe

description pid process

Token: SeDebugPrivilege 4880 Echelon.exe

flow	ioc
47	ip-api.com
7	api.ipify.org
8	api.ipify.org

pid	pid_target	process	target process
3832	4880	WerFault.exe	Echelon.exe

pid	process
4880	Echelon.exe
4880	Echelon.exe

description	pid	process
Token: SeDebugPrivilege	4880	Echelon.exe

outlook_office_path 1 IoCs

Processes:

Echelon.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-922299981-3641064733-3870770889-1000\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-1-5-21-922299981-3641064733-3870770889-1000\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:4880

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 4880 -s 2920
2⤵
- Program crash
PID:3832

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 424 -p 4880 -ip 4880
1⤵
PID:4584

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

memory/4880-133-0x0000022543E40000-0x0000022543EDA000-memory.dmp

Filesize
616KB

Download
memory/4880-134-0x000002255E310000-0x000002255E320000-memory.dmp

Filesize
64KB

Download
memory/4880-135-0x000002255E310000-0x000002255E320000-memory.dmp

Filesize
64KB

Download