echelon | e74ba4cb7a8950928fb8bc8f3089ca49c295dd4197afb89ddcee666685da6c0a | Triage

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26-12-2023 05:08

Sharing

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General

Target

56b9cbe1556dd419bec522a473a70a20.exe
Size

674KB
MD5

56b9cbe1556dd419bec522a473a70a20
SHA1

6077796a394c2235f87d02dfd14096ee3cc2fe78
SHA256

e74ba4cb7a8950928fb8bc8f3089ca49c295dd4197afb89ddcee666685da6c0a
SHA512

eccfb376ab6bbbe79e24b21fdd1c6c682675db04bb7b5574853eca30d79d9ee571a70ac3f7c29c933c2cbf906faca4c7cbbedd62e83194351f856bacf03bb57e
SSDEEP

12288:ILfpljJgZSsAjAuYcVWfs6MDMVqfBdcmDBuvXEVd:0JwcAuv0fKMVqJdczEVd

Score

10^/10

echelon collection discovery spyware stealer

Malware Config

Signatures

Detects Echelon Stealer payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3056-0-0x00000000001D0000-0x000000000027E000-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

Email Collection

Processes:

56b9cbe1556dd419bec522a473a70a20.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	56b9cbe1556dd419bec522a473a70a20.exe
Key opened	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	56b9cbe1556dd419bec522a473a70a20.exe
Key opened	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	56b9cbe1556dd419bec522a473a70a20.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

6 api.ipify.org
2 api.ipify.org
3 api.ipify.org
4 ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs

Processes:

56b9cbe1556dd419bec522a473a70a20.exe

pid	process
3056	56b9cbe1556dd419bec522a473a70a20.exe
3056	56b9cbe1556dd419bec522a473a70a20.exe
3056	56b9cbe1556dd419bec522a473a70a20.exe
3056	56b9cbe1556dd419bec522a473a70a20.exe
3056	56b9cbe1556dd419bec522a473a70a20.exe
3056	56b9cbe1556dd419bec522a473a70a20.exe
3056	56b9cbe1556dd419bec522a473a70a20.exe
3056	56b9cbe1556dd419bec522a473a70a20.exe
3056	56b9cbe1556dd419bec522a473a70a20.exe
3056	56b9cbe1556dd419bec522a473a70a20.exe
3056	56b9cbe1556dd419bec522a473a70a20.exe
3056	56b9cbe1556dd419bec522a473a70a20.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

56b9cbe1556dd419bec522a473a70a20.exe

pid	process
3056	56b9cbe1556dd419bec522a473a70a20.exe
3056	56b9cbe1556dd419bec522a473a70a20.exe
3056	56b9cbe1556dd419bec522a473a70a20.exe
3056	56b9cbe1556dd419bec522a473a70a20.exe
3056	56b9cbe1556dd419bec522a473a70a20.exe
3056	56b9cbe1556dd419bec522a473a70a20.exe
3056	56b9cbe1556dd419bec522a473a70a20.exe
3056	56b9cbe1556dd419bec522a473a70a20.exe
3056	56b9cbe1556dd419bec522a473a70a20.exe
3056	56b9cbe1556dd419bec522a473a70a20.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

56b9cbe1556dd419bec522a473a70a20.exe

description pid process

Token: SeDebugPrivilege 3056 56b9cbe1556dd419bec522a473a70a20.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

56b9cbe1556dd419bec522a473a70a20.exe

description	pid	process	target process
PID 3056 wrote to memory of 2888	3056	56b9cbe1556dd419bec522a473a70a20.exe	WerFault.exe
PID 3056 wrote to memory of 2888	3056	56b9cbe1556dd419bec522a473a70a20.exe	WerFault.exe
PID 3056 wrote to memory of 2888	3056	56b9cbe1556dd419bec522a473a70a20.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

56b9cbe1556dd419bec522a473a70a20.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	56b9cbe1556dd419bec522a473a70a20.exe

outlook_win_path 1 IoCs

Processes:

56b9cbe1556dd419bec522a473a70a20.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	56b9cbe1556dd419bec522a473a70a20.exe

C:\Users\Admin\AppData\Local\Temp\56b9cbe1556dd419bec522a473a70a20.exe
"C:\Users\Admin\AppData\Local\Temp\56b9cbe1556dd419bec522a473a70a20.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:3056

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3056 -s 1384
2⤵
PID:2888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

Credentials In Files

Discovery

Query Registry

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3056-0-0x00000000001D0000-0x000000000027E000-memory.dmp

Filesize
696KB

Download
memory/3056-1-0x000007FEF54A0000-0x000007FEF5E8C000-memory.dmp

Filesize
9.9MB

Download
memory/3056-3-0x0000000001FA0000-0x0000000001FE4000-memory.dmp

Filesize
272KB

Download
memory/3056-2-0x000000001AEE0000-0x000000001AF60000-memory.dmp

Filesize
512KB

Download
memory/3056-4-0x0000000001F10000-0x0000000001F24000-memory.dmp

Filesize
80KB

Download
memory/3056-6-0x0000000002010000-0x000000000201E000-memory.dmp

Filesize
56KB

Download
memory/3056-5-0x000000001AEE0000-0x000000001AF60000-memory.dmp

Filesize
512KB

Download
memory/3056-63-0x000000001B010000-0x000000001B0A0000-memory.dmp

Filesize
576KB

Download
memory/3056-64-0x000000001AEE0000-0x000000001AF60000-memory.dmp

Filesize
512KB

Download
memory/3056-62-0x000000001A680000-0x000000001A69E000-memory.dmp

Filesize
120KB

Download
memory/3056-65-0x000007FEF54A0000-0x000007FEF5E8C000-memory.dmp

Filesize
9.9MB

Download
memory/3056-66-0x000000001AEE0000-0x000000001AF60000-memory.dmp

Filesize
512KB

Download
memory/3056-67-0x000000001AEE0000-0x000000001AF60000-memory.dmp

Filesize
512KB

Download