echelon | 818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
20-01-2024 01:02

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General

Target

818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe
Size

592KB
MD5

a6c5e33747f3087b1f1c96d5c800aa99
SHA1

d3e400f79fb0520deca6eaf52ac030eadec98a71
SHA256

818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033
SHA512

5339057ce8126bb5fc1c4a2115b4887533761ed5cb54976ec8b2087abf6a4602012cc939c04876a3cbf10ed270b100ee55b20fdecae51fa6952194ee2900fdb8
SSDEEP

12288:2ZhhKDNUUA7ZLJLUf9snBS4csPYae6qfzRAA:2ZCxUF7hhUF54clNf7RB

Score

10^/10

echelon evasion spyware stealer

Malware Config

Signatures

Detects Echelon Stealer payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1220-0-0x0000000000D40000-0x0000000000DDA000-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

2772 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:

818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe

description pid process

Token: SeDebugPrivilege 1220 818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe

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

pid	process
2772	sc.exe

description	pid	process
Token: SeDebugPrivilege	1220	818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.execmd.exe

description	pid	process	target process
PID 1220 wrote to memory of 2684	1220	818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe	cmd.exe
PID 1220 wrote to memory of 2684	1220	818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe	cmd.exe
PID 1220 wrote to memory of 2684	1220	818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe	cmd.exe
PID 2684 wrote to memory of 2772	2684	cmd.exe	sc.exe
PID 2684 wrote to memory of 2772	2684	cmd.exe	sc.exe
PID 2684 wrote to memory of 2772	2684	cmd.exe	sc.exe
PID 1220 wrote to memory of 2764	1220	818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe	WerFault.exe
PID 1220 wrote to memory of 2764	1220	818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe	WerFault.exe
PID 1220 wrote to memory of 2764	1220	818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe
"C:\Users\Admin\AppData\Local\Temp\818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1220

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c sc stop "MpsSvc"
2⤵
- Suspicious use of WriteProcessMemory
PID:2684

C:\Windows\system32\sc.exe
sc stop "MpsSvc"
3⤵
- Launches sc.exe
PID:2772

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1220 -s 1564
2⤵
PID:2764

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/1220-0-0x0000000000D40000-0x0000000000DDA000-memory.dmp

Filesize
616KB

Download
memory/1220-1-0x000007FEF5910000-0x000007FEF62FC000-memory.dmp

Filesize
9.9MB

Download
memory/1220-2-0x000000001B080000-0x000000001B100000-memory.dmp

Filesize
512KB

Download
memory/1220-3-0x000007FEF5910000-0x000007FEF62FC000-memory.dmp

Filesize
9.9MB

Download
memory/1220-4-0x000000001B080000-0x000000001B100000-memory.dmp

Filesize
512KB

Download