echelon | a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9

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

resource	yara_rule
behavioral1/memory/2180-0-0x0000000001360000-0x0000000001488000-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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe
Key opened	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe
Key opened	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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 4 IoCs

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

flow	ioc
5	api.ipify.org
6	ip-api.com
8	api.ipify.org
4	api.ipify.org

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2180	a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe
2180	a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2180	a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 1508	2180	a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe	30
PID 2180 wrote to memory of 1508	2180	a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe	30
PID 2180 wrote to memory of 1508	2180	a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a7b4ff991a0932e916f4f4ae6cc1f25d4434202788ffa2e23e9e7ea2e36955e9.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\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
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2180
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2180 -s 1768
  2⤵
  PID:1508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\NBuZFL078BFBFF000306D2F804344531\31078BFBFF000306D2F8043445NBuZFL\Browsers\Passwords\Passwords_Edge.txt

Filesize
52B

MD5
fdec4452a98b7d7f3dc83904cd82a724

SHA1
2b447ea859993ab549ee1547c72071e59cace07c

SHA256
59b16ba683aaf821362d2061fef52b52a909ad63be1192ef3d2374f3e8a4b235

SHA512
87a573d8a9a085ffeea49335d213f96cd55385a3afa281d1a4a321043e82cd81a324d1131c764d024966d9dcbcc219d78514b0cdce74f849fe33e0f9ce2df432

Download Submit
memory/2180-0-0x0000000001360000-0x0000000001488000-memory.dmp

Filesize
1.2MB

Download
memory/2180-1-0x000007FEF5D90000-0x000007FEF677C000-memory.dmp

Filesize
9.9MB

Download
memory/2180-34-0x000000001C390000-0x000000001C410000-memory.dmp

Filesize
512KB

Download
memory/2180-58-0x000007FEF5D90000-0x000007FEF677C000-memory.dmp

Filesize
9.9MB

Download
memory/2180-59-0x000000001C390000-0x000000001C410000-memory.dmp

Filesize
512KB

Download

Analysis

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