echelon | 8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18-01-2024 01:14

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General

Target

8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe
Size

592KB
MD5

52c389a5c951fa6b0c5636ece3b9a4cc
SHA1

7ea98e6dc3113e1bb7a89a4b8c3f29f770163b68
SHA256

8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930
SHA512

6bdbd1dfd21f7db0682972502e632fa006843db79c46265e8199c75f69458ecf6506c3c5b8424d465d004483897056739e2edb73b821205b48a0d7fb6b48f38d
SSDEEP

12288:gZhhKDNUUA7ZLJLUf9snBS4csPYae6qfzRAA:gZCxUF7hhUF54clNf7RB

Score

10^/10

echelon evasion spyware stealer

Malware Config

Signatures

Detects Echelon Stealer payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3044-0-0x0000000000100000-0x000000000019A000-memory.dmp	family_echelon

Echelon
Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.
stealer spyware echelon
Stops running service(s) 3 TTPs
evasion

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489
Looks up external IP address via web service 2 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
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exe

pid process

2756 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe

description pid process

Token: SeDebugPrivilege 3044 8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

pid	process
2756	sc.exe

description	pid	process
Token: SeDebugPrivilege	3044	8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.execmd.exe

description	pid	process	target process
PID 3044 wrote to memory of 2828	3044	8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe	cmd.exe
PID 3044 wrote to memory of 2828	3044	8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe	cmd.exe
PID 3044 wrote to memory of 2828	3044	8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe	cmd.exe
PID 2828 wrote to memory of 2756	2828	cmd.exe	sc.exe
PID 2828 wrote to memory of 2756	2828	cmd.exe	sc.exe
PID 2828 wrote to memory of 2756	2828	cmd.exe	sc.exe
PID 3044 wrote to memory of 2568	3044	8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe	WerFault.exe
PID 3044 wrote to memory of 2568	3044	8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe	WerFault.exe
PID 3044 wrote to memory of 2568	3044	8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe
"C:\Users\Admin\AppData\Local\Temp\8b7240910326218e895b469398b4e98443ba8aba78e17270659050fb7562f930.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3044

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c sc stop "MpsSvc"
2⤵
- Suspicious use of WriteProcessMemory
PID:2828

C:\Windows\system32\sc.exe
sc stop "MpsSvc"
3⤵
- Launches sc.exe
PID:2756

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3044 -s 1536
2⤵
PID:2568

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Service Stop

T1489

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/3044-0-0x0000000000100000-0x000000000019A000-memory.dmp

Filesize
616KB

Download
memory/3044-1-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

Filesize
9.9MB

Download
memory/3044-2-0x000000001AC50000-0x000000001ACD0000-memory.dmp

Filesize
512KB

Download
memory/3044-3-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

Filesize
9.9MB

Download
memory/3044-4-0x000000001AC50000-0x000000001ACD0000-memory.dmp

Filesize
512KB

Download