echelon | 818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033

General

Target

818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe
Size

592KB
MD5

a6c5e33747f3087b1f1c96d5c800aa99
SHA1

d3e400f79fb0520deca6eaf52ac030eadec98a71
SHA256

818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033
SHA512

5339057ce8126bb5fc1c4a2115b4887533761ed5cb54976ec8b2087abf6a4602012cc939c04876a3cbf10ed270b100ee55b20fdecae51fa6952194ee2900fdb8
SSDEEP

12288:2ZhhKDNUUA7ZLJLUf9snBS4csPYae6qfzRAA:2ZCxUF7hhUF54clNf7RB

Score

10^/10

echelon collection discovery evasion spyware stealer

Malware Config

Signatures

Detects Echelon Stealer payload 1 IoCs

resource	yara_rule
behavioral2/memory/4892-0-0x00000262BBF60000-0x00000262BBFFA000-memory.dmp	family_echelon

Echelon
Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.
stealer spyware echelon
Stops running service(s) 3 TTPs
evasion

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe
Key opened	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe
Key opened	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.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.

flow	ioc
1	api.ipify.org
2	api.ipify.org
26	ip-api.com

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
3300	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4892	818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe
4892	818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4892	818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 488	4892	818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe	90
PID 4892 wrote to memory of 488	4892	818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe	90
PID 488 wrote to memory of 3300	488	cmd.exe	92
PID 488 wrote to memory of 3300	488	cmd.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe

C:\Users\Admin\AppData\Local\Temp\818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe
"C:\Users\Admin\AppData\Local\Temp\818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe"
1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4892
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c sc stop "MpsSvc"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:488
- - C:\Windows\system32\sc.exe
    sc stop "MpsSvc"
    3⤵
    - Launches sc.exe
    PID:3300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Service Stop

1

T1489

Replay Monitor

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Downloads

memory/4892-0-0x00000262BBF60000-0x00000262BBFFA000-memory.dmp

Filesize
616KB

Download
memory/4892-1-0x00007FFB4B1A0000-0x00007FFB4BC61000-memory.dmp

Filesize
10.8MB

Download
memory/4892-2-0x00000262D6630000-0x00000262D6640000-memory.dmp

Filesize
64KB

Download
memory/4892-3-0x00000262D6800000-0x00000262D6876000-memory.dmp

Filesize
472KB

Download
memory/4892-25-0x00007FFB4B1A0000-0x00007FFB4BC61000-memory.dmp

Filesize
10.8MB

Download
memory/4892-29-0x00007FFB4B1A0000-0x00007FFB4BC61000-memory.dmp

Filesize
10.8MB

Download

Analysis

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