echelon | a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9

Analysis

max time kernel
91s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
20-02-2024 01:29

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General

Target

a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe
Size

1.1MB
MD5

00dc0ff6987d8dc9651bfc8b9dfa235a
SHA1

7a24a90b470a81af4c67d4488e64728b53c04e91
SHA256

a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9
SHA512

aa154bb732cb63df970cb49d62aab412e66ca2415074a118a4101af27507b1b867f07b4eef7fb84667bf6dc627c6a1eea711496d7fa562b20d86ff738230dc92
SSDEEP

12288:1geMBID71CWeVdxB5uRaWmk93sYvBFaXQAT2QEhXbwhjCU+oGnmAudhgIQnGy:1geMBID78l4aW+4iRTCbwhjCTxnmAA

Score

10^/10

echelon collection discovery spyware stealer

Malware Config

Signatures

Detects Echelon Stealer payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/904-0-0x00000289197F0000-0x0000028919918000-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:

a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe
Key opened	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe
Key opened	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

13 api.ipify.org
14 api.ipify.org
16 ip-api.com

flow	ioc
13	api.ipify.org
14	api.ipify.org
16	ip-api.com

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe

pid	process
904	a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe
904	a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe

description pid process

Token: SeDebugPrivilege 904 a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe

description	pid	process
Token: SeDebugPrivilege	904	a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe

outlook_office_path 1 IoCs

Processes:

a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe

outlook_win_path 1 IoCs

Processes:

a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe

C:\Users\Admin\AppData\Local\Temp\a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe
"C:\Users\Admin\AppData\Local\Temp\a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:904

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

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\TTJVP078BFBFF000306D23C540D4B29\29078BFBFF000306D23C540D4BTTJVP\Browsers\Passwords\Passwords_Edge.txt
Filesize
426B

MD5
42fa959509b3ed7c94c0cf3728b03f6d

SHA1
661292176640beb0b38dc9e7a462518eb592d27d

SHA256
870ef3d2370932a8938faa60abd47d75ea0af98bfa11c82ae8efe9e94fd8be00

SHA512
7def291737d081c93d0cc38ac8d3062fd34d93b68d191eb0d54e9857e0c0afdbcd241471a2e10c28ce8db3b1d1ae0dba2ef6f609cfe8a1e8fe1dd103dba80007

Download Submit
memory/904-0-0x00000289197F0000-0x0000028919918000-memory.dmp

Filesize
1.2MB

Download
memory/904-1-0x00007FFD9DE20000-0x00007FFD9E8E1000-memory.dmp

Filesize
10.8MB

Download
memory/904-2-0x0000028933FD0000-0x0000028933FE0000-memory.dmp

Filesize
64KB

Download
memory/904-71-0x0000028933F60000-0x0000028933F82000-memory.dmp

Filesize
136KB

Download
memory/904-84-0x00007FFD9DE20000-0x00007FFD9E8E1000-memory.dmp

Filesize
10.8MB

Download