echelon | b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6

Analysis

max time kernel
151s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12-01-2024 01:03

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General

Target

b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6.exe
Size

585KB
MD5

d25d1dcee63d3bbfdc49aba027523a0e
SHA1

e548db4e62cb4fd8a7a60ff45c9ed3d1eb67765a
SHA256

b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6
SHA512

6bedb1a8a874982b3411f4cca18ae5dc1655b3c690e25a271249f055623c4e7ad94682c29fb61fcc4da4eabf04c91a3e09f54ac5c2288c292ba23f584446c00d
SSDEEP

12288:JxUODVR9ZLJLUf9snBS4csPYae6qfzbAA:JiODVR9hhUF54clNf7bB

Score

10^/10

echelon collection discovery spyware stealer

Malware Config

Signatures

Detects Echelon Stealer payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3936-0-0x00000132BB6D0000-0x00000132BB768000-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:

b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6.exe
Key opened	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6.exe
Key opened	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6.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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

20 api.ipify.org
21 api.ipify.org

flow	ioc
20	api.ipify.org
21	api.ipify.org

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6.exe

pid	process
3936	b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6.exe
3936	b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6.exe
3936	b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6.exe

description pid process

Token: SeDebugPrivilege 3936 b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6.exe

description	pid	process
Token: SeDebugPrivilege	3936	b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6.exe

outlook_office_path 1 IoCs

Processes:

b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6.exe

outlook_win_path 1 IoCs

Processes:

b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6.exe

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	b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6.exe

C:\Users\Admin\AppData\Local\Temp\b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6.exe
"C:\Users\Admin\AppData\Local\Temp\b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3936

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/3936-0-0x00000132BB6D0000-0x00000132BB768000-memory.dmp

Filesize
608KB

Download
memory/3936-1-0x00007FFC466F0000-0x00007FFC471B1000-memory.dmp

Filesize
10.8MB

Download
memory/3936-2-0x00000132D5C00000-0x00000132D5C10000-memory.dmp

Filesize
64KB

Download
memory/3936-3-0x00000132D5C10000-0x00000132D5C86000-memory.dmp

Filesize
472KB

Download
memory/3936-19-0x00000132D5CF0000-0x00000132D5E0F000-memory.dmp

Filesize
1.1MB

Download
memory/3936-21-0x00007FFC466F0000-0x00007FFC471B1000-memory.dmp

Filesize
10.8MB

Download
memory/3936-34-0x00000132D5C00000-0x00000132D5C10000-memory.dmp

Filesize
64KB

Download
memory/3936-46-0x00007FFC466F0000-0x00007FFC471B1000-memory.dmp

Filesize
10.8MB

Download