Analysis
- max time kernel
54s - max time network
62s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
30/03/2023, 15:03
Behavioral task
behavioral1
Sample
Echelon.exe
Resource
win10v2004-20230220-en
12 signatures
60 seconds
General
- Target Echelon.exe
- Size 581KB
- Sample230330-sfe2tsdb58
- SHA256 3dfee3703ea081d2abc9a6b23c5be666a11134086326869ff6a4acb53b9c5be9
- MD5 21a292e7e184b1f76594b25db2e651b0
- SHA1 101293648396481ff270e66aecaf0e061a38313b
- SHA512 83e4c304662eb5e636cd2f2a5a235be8c301a2ee23d7b7e91b70d2b10acbbd7c8250f873fdb0d23f42a4ed4ca069b07ed1945acd1627169d07e913d2f9466f97
- SSDEEP 12288:actvPYVlNWEZkVlVLmZLJLUf9snBS4csPYae6qfzJAA:rsELmhhUF54clNf7JB
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Echelon Stealer payload 1 IoCs
resource yara_rule behavioral1/memory/1816-133-0x00000248C4FC0000-0x00000248C5058000-memory.dmp family_echelon - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Echelon.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Echelon.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Echelon.exe - Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 5 api.ipify.org 6 api.ipify.org 25 ip-api.com - Program crash 1 IoCs
pid pid_target Process procid_target 4540 1816 WerFault.exe 82 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1816 Echelon.exe 1816 Echelon.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1816 Echelon.exe - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Echelon.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Echelon.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Echelon.exe"C:\Users\Admin\AppData\Local\Temp\Echelon.exe"1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1816 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 1816 -s 27322⤵
- Program crash
PID:4540
-
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 408 -p 1816 -ip 18161⤵PID:4020