echelon | f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0 | Triage

Analysis

max time kernel
35s
max time network
141s
platform
windows7_x64
resource
win7-20220414-en
submitted
12-05-2022 12:07

Sharing

Report Analysis Logs

General

Target

f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
Size

526KB
MD5

0fcbaff6f1058bec983c05d703e12fcf
SHA1

a687ad827731392ac25d613fd61538b2622b7f85
SHA256

f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0
SHA512

a5d222e68f45eac88df5a677aaabbcc6e682ac73250fcaa32aaf552102c4ce9310ec101078d0ac879f4e6d441cafb2409e18c9af082ebd11fd1023de330d74d2

Score

10^/10

echelon collection discovery spyware stealer

Malware Config

Signatures

Echelon
Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.
stealer spyware echelon
Echelon log file 1 IoCs
Detects a log file produced by Echelon.

Processes:

yara_rule

echelon_log_file
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

Email Collection

Processes:

f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe

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

Processes:

flow ioc

4 api.ipify.org
5 ip-api.com
7 api.ipify.org
3 api.ipify.org

Suspicious use of NtSetInformationThreadHideFromDebugger 11 IoCs

Processes:

f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe

pid	process
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1300 1984 WerFault.exe f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe

pid	process
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe

description pid process

Token: SeDebugPrivilege 1984 f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe

description	pid	process	target process
PID 1984 wrote to memory of 1300	1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe	WerFault.exe
PID 1984 wrote to memory of 1300	1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe	WerFault.exe
PID 1984 wrote to memory of 1300	1984	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe

outlook_win_path 1 IoCs

Processes:

f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe

C:\Users\Admin\AppData\Local\Temp\f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe
"C:\Users\Admin\AppData\Local\Temp\f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1984

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1984 -s 572
2⤵
- Program crash
PID:1300

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

Discovery

Query Registry

Lateral Movement

Collection

Data from Local System

Email Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1300-57-0x0000000000000000-mapping.dmp

Download
memory/1984-54-0x0000000000350000-0x00000000003DA000-memory.dmp

Filesize
552KB

Download
memory/1984-55-0x000000001ACA0000-0x000000001ADB0000-memory.dmp

Filesize
1.1MB

Download
memory/1984-56-0x000000001AF36000-0x000000001AF55000-memory.dmp

Filesize
124KB

Download