echelon | 12fddd87e81d0e3b6f62f79af43a483528ae278c0f555ced9ab27d6ba9441125

Analysis

max time kernel
78s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2023, 15:01

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General

Target
aace25e181c08dbc3348e22f8864b82d.exe
Size 1.6MB
Sample230314-sdxh4agb38
SHA256 12fddd87e81d0e3b6f62f79af43a483528ae278c0f555ced9ab27d6ba9441125
MD5 aace25e181c08dbc3348e22f8864b82d
SHA1 6c389364ebbc56bd7ec38a9b9b35dfd6347844e2
SHA512 2ce883b342d26564b011bc5a365317a76201e7bd8977498d5d88f4343e5715f7a72540b9f7fd0c6c820285e906afa0f48662316d1c00ae9c30cd6f7f72b9c534
SSDEEP 12288:mKWa6AbsDI0slfH/1G02NVjA7HcHQCrZYyyvSoDPs0rYGnjMevnb880ymljs:fPs4diQcwCruyyjsKIonHToj
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

echelon collection spyware stealer

Malware Config

Signatures

Detects Echelon Stealer payload 1 IoCs

resource	yara_rule
behavioral2/memory/2588-133-0x0000000000400000-0x0000000000498000-memory.dmp	family_echelon

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

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
29	api.ipify.org
30	api.ipify.org
32	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4912 set thread context of 2588	4912	aace25e181c08dbc3348e22f8864b82d.exe	89

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4436	4912	WerFault.exe	74
1300	2588	WerFault.exe	89

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2588	InstallUtil.exe
2588	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2588	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 2588	4912	aace25e181c08dbc3348e22f8864b82d.exe	89
PID 4912 wrote to memory of 2588	4912	aace25e181c08dbc3348e22f8864b82d.exe	89
PID 4912 wrote to memory of 2588	4912	aace25e181c08dbc3348e22f8864b82d.exe	89
PID 4912 wrote to memory of 2588	4912	aace25e181c08dbc3348e22f8864b82d.exe	89
PID 4912 wrote to memory of 2588	4912	aace25e181c08dbc3348e22f8864b82d.exe	89
PID 4912 wrote to memory of 2588	4912	aace25e181c08dbc3348e22f8864b82d.exe	89
PID 4912 wrote to memory of 2588	4912	aace25e181c08dbc3348e22f8864b82d.exe	89
PID 4912 wrote to memory of 2588	4912	aace25e181c08dbc3348e22f8864b82d.exe	89

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	InstallUtil.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	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\aace25e181c08dbc3348e22f8864b82d.exe
"C:\Users\Admin\AppData\Local\Temp\aace25e181c08dbc3348e22f8864b82d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4912
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2588
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2588 -s 2740
    3⤵
    - Program crash
    PID:1300
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 500
  2⤵
  - Program crash
  PID:4436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4912 -ip 4912
1⤵
PID:2596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2588 -ip 2588
1⤵
PID:4056

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2588-133-0x0000000000400000-0x0000000000498000-memory.dmp

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memory/2588-134-0x0000000004FD0000-0x0000000005036000-memory.dmp

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memory/2588-135-0x0000000002AD0000-0x0000000002AE0000-memory.dmp

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memory/2588-153-0x0000000006870000-0x0000000006902000-memory.dmp

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memory/2588-154-0x0000000007100000-0x00000000076A4000-memory.dmp

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memory/2588-157-0x0000000006FE0000-0x000000000707C000-memory.dmp

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