echelon | 8c9687bc66d6d29e0133a0b2b2307dc31c894e5aa91f24fbbbc90d58f0fd95ba

Analysis

max time kernel
15s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 01:05

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General

Target

8c9687bc66d6d29e0133a0b2b2307dc31c894e5aa91f24fbbbc90d58f0fd95ba.exe
Size

592KB
MD5

dbda20d4d0f5ca7ecf6a2e37996a5fc9
SHA1

bb47b93f37b8b8e342e867e2f4b53aa3c85fa4a0
SHA256

8c9687bc66d6d29e0133a0b2b2307dc31c894e5aa91f24fbbbc90d58f0fd95ba
SHA512

39b24e98d5cce0c87057289a48f4f10d85d22790b22e988ed84e228f8d5448301340cb85671ecf4b68007d35a9f936b92b0962c80aba451b87f7db4098ce456e
SSDEEP

12288:APWs8SvKwZLJLUf9snBS4csPYae6qfzEAA:svKwhhUF54clNf7EB

Score

10^/10

echelon collection spyware stealer

Malware Config

Signatures

Detects Echelon Stealer payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2004-0-0x000002483EAA0000-0x000002483EB3A000-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:

8c9687bc66d6d29e0133a0b2b2307dc31c894e5aa91f24fbbbc90d58f0fd95ba.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8c9687bc66d6d29e0133a0b2b2307dc31c894e5aa91f24fbbbc90d58f0fd95ba.exe
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8c9687bc66d6d29e0133a0b2b2307dc31c894e5aa91f24fbbbc90d58f0fd95ba.exe
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8c9687bc66d6d29e0133a0b2b2307dc31c894e5aa91f24fbbbc90d58f0fd95ba.exe

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

3 api.ipify.org
4 api.ipify.org
34 ip-api.com
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

8c9687bc66d6d29e0133a0b2b2307dc31c894e5aa91f24fbbbc90d58f0fd95ba.exe

pid process

2004 8c9687bc66d6d29e0133a0b2b2307dc31c894e5aa91f24fbbbc90d58f0fd95ba.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

8c9687bc66d6d29e0133a0b2b2307dc31c894e5aa91f24fbbbc90d58f0fd95ba.exe

description pid process

Token: SeDebugPrivilege 2004 8c9687bc66d6d29e0133a0b2b2307dc31c894e5aa91f24fbbbc90d58f0fd95ba.exe

flow	ioc
3	api.ipify.org
4	api.ipify.org
34	ip-api.com

pid	process
2004	8c9687bc66d6d29e0133a0b2b2307dc31c894e5aa91f24fbbbc90d58f0fd95ba.exe

description	pid	process
Token: SeDebugPrivilege	2004	8c9687bc66d6d29e0133a0b2b2307dc31c894e5aa91f24fbbbc90d58f0fd95ba.exe

outlook_office_path 1 IoCs

Processes:

8c9687bc66d6d29e0133a0b2b2307dc31c894e5aa91f24fbbbc90d58f0fd95ba.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8c9687bc66d6d29e0133a0b2b2307dc31c894e5aa91f24fbbbc90d58f0fd95ba.exe

outlook_win_path 1 IoCs

Processes:

8c9687bc66d6d29e0133a0b2b2307dc31c894e5aa91f24fbbbc90d58f0fd95ba.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8c9687bc66d6d29e0133a0b2b2307dc31c894e5aa91f24fbbbc90d58f0fd95ba.exe

C:\Users\Admin\AppData\Local\Temp\8c9687bc66d6d29e0133a0b2b2307dc31c894e5aa91f24fbbbc90d58f0fd95ba.exe
"C:\Users\Admin\AppData\Local\Temp\8c9687bc66d6d29e0133a0b2b2307dc31c894e5aa91f24fbbbc90d58f0fd95ba.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2004

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

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2004-0-0x000002483EAA0000-0x000002483EB3A000-memory.dmp

Filesize
616KB

Download
memory/2004-1-0x00007FFB0D440000-0x00007FFB0DF01000-memory.dmp

Filesize
10.8MB

Download
memory/2004-2-0x00000248591D0000-0x00000248591E0000-memory.dmp

Filesize
64KB

Download
memory/2004-3-0x00000248590F0000-0x0000024859166000-memory.dmp

Filesize
472KB

Download
memory/2004-34-0x00007FFB0D440000-0x00007FFB0DF01000-memory.dmp

Filesize
10.8MB

Download