echelon | 14e6a9a5cdf93f21bf9a399a2578646628283e18203db77f1683415a690bf097

General

Target

14e6a9a5cdf93f21bf9a399a2578646628283e18203db77f1683415a690bf097.exe
Size

4.1MB
MD5

fe7cd92b40ea9ebf51959a1b919a20d7
SHA1

73bfb575f745c52915fe31fb2e6a2232d5552bdd
SHA256

14e6a9a5cdf93f21bf9a399a2578646628283e18203db77f1683415a690bf097
SHA512

2dc856319e9b716e7dbe96051b19128d478ae333411e0d68c13400d02aef69e63006dcfc5640716f9f3a35310184b8a53ef451af411c9f7a9c168bad17d4a9f0

Score

10^/10

echelon collection discovery persistence spyware stealer

Malware Config

Signatures

Echelon
Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.
stealer spyware echelon

Echelon log file 1 IoCs

Detects a log file produced by Echelon.

yara_rule
echelon_log_file

Executes dropped EXE 2 IoCs

pid	Process
1316	CDS.exe
1516	crypted.exe

Loads dropped DLL 8 IoCs

pid	Process
1600	14e6a9a5cdf93f21bf9a399a2578646628283e18203db77f1683415a690bf097.exe
1316	CDS.exe
1316	CDS.exe
1316	CDS.exe
1316	CDS.exe
1316	CDS.exe
1316	CDS.exe
1316	CDS.exe

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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	crypted.exe
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	crypted.exe
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	crypted.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	14e6a9a5cdf93f21bf9a399a2578646628283e18203db77f1683415a690bf097.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	14e6a9a5cdf93f21bf9a399a2578646628283e18203db77f1683415a690bf097.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
4	api.ipify.org
5	api.ipify.org
6	ip-api.com
8	api.ipify.org

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1452	1516	WerFault.exe	28

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1516	crypted.exe
1516	crypted.exe
1316	CDS.exe
1316	CDS.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1516	crypted.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1316	CDS.exe
1316	CDS.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 1316	1600	14e6a9a5cdf93f21bf9a399a2578646628283e18203db77f1683415a690bf097.exe	27
PID 1600 wrote to memory of 1316	1600	14e6a9a5cdf93f21bf9a399a2578646628283e18203db77f1683415a690bf097.exe	27
PID 1600 wrote to memory of 1316	1600	14e6a9a5cdf93f21bf9a399a2578646628283e18203db77f1683415a690bf097.exe	27
PID 1600 wrote to memory of 1316	1600	14e6a9a5cdf93f21bf9a399a2578646628283e18203db77f1683415a690bf097.exe	27
PID 1600 wrote to memory of 1316	1600	14e6a9a5cdf93f21bf9a399a2578646628283e18203db77f1683415a690bf097.exe	27
PID 1600 wrote to memory of 1316	1600	14e6a9a5cdf93f21bf9a399a2578646628283e18203db77f1683415a690bf097.exe	27
PID 1600 wrote to memory of 1316	1600	14e6a9a5cdf93f21bf9a399a2578646628283e18203db77f1683415a690bf097.exe	27
PID 1316 wrote to memory of 1516	1316	CDS.exe	28
PID 1316 wrote to memory of 1516	1316	CDS.exe	28
PID 1316 wrote to memory of 1516	1316	CDS.exe	28
PID 1316 wrote to memory of 1516	1316	CDS.exe	28
PID 1316 wrote to memory of 1516	1316	CDS.exe	28
PID 1316 wrote to memory of 1516	1316	CDS.exe	28
PID 1316 wrote to memory of 1516	1316	CDS.exe	28
PID 1516 wrote to memory of 1452	1516	crypted.exe	30
PID 1516 wrote to memory of 1452	1516	crypted.exe	30
PID 1516 wrote to memory of 1452	1516	crypted.exe	30
PID 1516 wrote to memory of 1452	1516	crypted.exe	30
PID 1516 wrote to memory of 1452	1516	crypted.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	crypted.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	crypted.exe

C:\Users\Admin\AppData\Local\Temp\14e6a9a5cdf93f21bf9a399a2578646628283e18203db77f1683415a690bf097.exe
"C:\Users\Admin\AppData\Local\Temp\14e6a9a5cdf93f21bf9a399a2578646628283e18203db77f1683415a690bf097.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1316
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe
    "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - outlook_office_path
    - outlook_win_path
    PID:1516
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1516 -s 1536
      4⤵
      Program crash
      PID:1452

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1516-74-0x0000000000DE0000-0x0000000000F08000-memory.dmp

Filesize
1.2MB

Download
memory/1516-75-0x000007FEF5950000-0x000007FEF633C000-memory.dmp

Filesize
9.9MB

Download
memory/1516-76-0x000000001D540000-0x000000001D542000-memory.dmp

Filesize
8KB

Download
memory/1600-55-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download

Analysis

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