echelon | 7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b | Triage

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
17-02-2024 01:03

Sharing

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General

Target

7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b.exe
Size

1.1MB
MD5

4bdee3d2933afecf715d363b355bcbeb
SHA1

49cff68323a7e54867887cb14f75cfe459dcb89b
SHA256

7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b
SHA512

aade86e9109b6efdd82dc355a913a00fda355dfea0afd5cb87b1d99a0a5990afdf9653d53f29a425236a284e5eb19058b7702916653fef2751a45d0be8b8addb
SSDEEP

12288:rgeMBID71CWeVdxB5uRaWmk93sYvBFaXQAT2QEhXbwhjKU+oGnmAudhgIQnGy:rgeMBID78l4aW+4iRTCbwhjKTxnmAA

Score

10^/10

echelon collection discovery spyware stealer

Malware Config

Signatures

Detects Echelon Stealer payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2868-0-0x0000000000B00000-0x0000000000C28000-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:

7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b.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

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b.exe

pid	process
2868	7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b.exe
2868	7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b.exe

description pid process

Token: SeDebugPrivilege 2868 7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b.exe

description	pid	process	target process
PID 2868 wrote to memory of 2380	2868	7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b.exe	WerFault.exe
PID 2868 wrote to memory of 2380	2868	7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b.exe	WerFault.exe
PID 2868 wrote to memory of 2380	2868	7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b.exe

outlook_win_path 1 IoCs

Processes:

7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b.exe

C:\Users\Admin\AppData\Local\Temp\7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b.exe
"C:\Users\Admin\AppData\Local\Temp\7de02b69fe9275def409ee590e2e9e6260105a9f039f6323d6436f2ac8d7352b.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2868

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2868 -s 1524
2⤵
PID:2380

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\DRwHFwVPuPwXRywHXVDXRFPB078BFBFF000306D254781DE494\94078BFBFF000306D254781DE4DRwHFwVPuPwXRywHXVDXRFPB\Browsers\Passwords\Passwords_Edge.txt
Filesize
52B

MD5
fdec4452a98b7d7f3dc83904cd82a724

SHA1
2b447ea859993ab549ee1547c72071e59cace07c

SHA256
59b16ba683aaf821362d2061fef52b52a909ad63be1192ef3d2374f3e8a4b235

SHA512
87a573d8a9a085ffeea49335d213f96cd55385a3afa281d1a4a321043e82cd81a324d1131c764d024966d9dcbcc219d78514b0cdce74f849fe33e0f9ce2df432

Download Submit
memory/2868-0-0x0000000000B00000-0x0000000000C28000-memory.dmp

Filesize
1.2MB

Download
memory/2868-1-0x000007FEF50F0000-0x000007FEF5ADC000-memory.dmp

Filesize
9.9MB

Download
memory/2868-29-0x000000001C4B0000-0x000000001C530000-memory.dmp

Filesize
512KB

Download
memory/2868-58-0x000007FEF50F0000-0x000007FEF5ADC000-memory.dmp

Filesize
9.9MB

Download
memory/2868-59-0x000000001C4B0000-0x000000001C530000-memory.dmp

Filesize
512KB

Download