echelon | fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
04-03-2024 01:16

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General

Target

fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe
Size

581KB
MD5

80a90d5cf1639d82b28c78b398acc1f4
SHA1

f81ad759dbb843058cfe28776d5c7990db6e6f74
SHA256

fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2
SHA512

db793d060a82339b9bf87a3e0b2069a4ff720e88161328795026871d90e4cc108726fa28f94cebcac4216847dba3ddaddfc820bd17545e18ca64063bf19f7944
SSDEEP

12288:9ctvPYVlNWEZkVlFrGZLJLUf9snBS4csPYae6qfzEAA:usUrGhhUF54clNf7EB

Score

10^/10

echelon collection discovery spyware stealer

Malware Config

Signatures

Detects Echelon Stealer payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2936-0-0x000001E9CE6F0000-0x000001E9CE788000-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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe
Key opened	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe
Key opened	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe

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

Data from Local System
T1005

Credentials In Files
T1552.001
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

8 api.ipify.org
11 api.ipify.org
30 ip-api.com

flow	ioc
8	api.ipify.org
11	api.ipify.org
30	ip-api.com

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe

pid	process
2936	fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe
2936	fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe

description pid process

Token: SeDebugPrivilege 2936 fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe

description	pid	process
Token: SeDebugPrivilege	2936	fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe

outlook_office_path 1 IoCs

Processes:

fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe

outlook_win_path 1 IoCs

Processes:

fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe

C:\Users\Admin\AppData\Local\Temp\fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe
"C:\Users\Admin\AppData\Local\Temp\fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2936-0-0x000001E9CE6F0000-0x000001E9CE788000-memory.dmp

Filesize
608KB

Download
memory/2936-1-0x00007FFA6FC70000-0x00007FFA70731000-memory.dmp

Filesize
10.8MB

Download
memory/2936-2-0x000001E9E8BB0000-0x000001E9E8BC0000-memory.dmp

Filesize
64KB

Download
memory/2936-3-0x000001E9E8BC0000-0x000001E9E8C36000-memory.dmp

Filesize
472KB

Download
memory/2936-31-0x00007FFA6FC70000-0x00007FFA70731000-memory.dmp

Filesize
10.8MB

Download
memory/2936-32-0x000001E9E8BB0000-0x000001E9E8BC0000-memory.dmp

Filesize
64KB

Download
memory/2936-33-0x00007FFA6FC70000-0x00007FFA70731000-memory.dmp

Filesize
10.8MB

Download