echelon | 950a2d9a7a0f39f9ab008c76c96e9fc8a93a0eefa5031d0aa01453657df07c18

General

Target

test.exe
Size

35.9MB
MD5

1aa9acffe0e10bbb240e0dfa07936d38
SHA1

f0624cc7588dd3d8cb0a5f618afa518097aabb69
SHA256

950a2d9a7a0f39f9ab008c76c96e9fc8a93a0eefa5031d0aa01453657df07c18
SHA512

cd89eb5ab041a81f77f015b13485010b105704fc04125177c7045c950a4c40759a1f5359ec2e1f590bb8ee493e7b7f04e84f362c232953de6bbb32a386841b55

Score

10^/10

echelon spyware stealer

Malware Config

Signatures

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

Executes dropped EXE 1 IoCs

Processes:

Decoder.exe

pid	Process
4636	Decoder.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

test.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	test.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

Looks up external IP address via web service 5 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow	ioc
5	api.ipify.org
6	api.ipify.org
19	ip-api.com
23	freegeoip.app
24	freegeoip.app

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Decoder.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	Decoder.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Decoder.exe

Delays execution with timeout.exe 1 IoCs

evasion

Processes:

timeout.exe

pid	Process
3172	timeout.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

test.exeDecoder.exe

pid	Process
3208	test.exe
3208	test.exe
4636	Decoder.exe
4636	Decoder.exe
4636	Decoder.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

test.exeDecoder.exe

description	pid	Process
Token: SeDebugPrivilege	3208	test.exe
Token: SeDebugPrivilege	4636	Decoder.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

test.execmd.exe

description	pid	Process	procid_target
PID 3208 wrote to memory of 4636	3208	test.exe	83
PID 3208 wrote to memory of 4636	3208	test.exe	83
PID 3208 wrote to memory of 4636	3208	test.exe	83
PID 3208 wrote to memory of 4660	3208	test.exe	84
PID 3208 wrote to memory of 4660	3208	test.exe	84
PID 4660 wrote to memory of 3172	4660	cmd.exe	86
PID 4660 wrote to memory of 3172	4660	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\test.exe
"C:\Users\Admin\AppData\Local\Temp\test.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3208
- C:\ProgramData\Decoder.exe
  "C:\ProgramData\Decoder.exe"
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4636
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\.cmd""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4660
- - C:\Windows\system32\timeout.exe
    timeout 4
    3⤵
    - Delays execution with timeout.exe
    PID:3172

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Decoder.exe

Filesize
490KB

MD5
c29c0d495ed13e703f433d53bdffdab8

SHA1
74ed36e6b6027b61abcfe2956670ffd9de7fd71a

SHA256
20309707aa6fc678963aace7685a37839d439c850b1ba399bdbfbbeddc10ed4b

SHA512
fea4c1066ee6df3ebb29a354678a3d0f1398cd216b92b261296fcff580b00e19cefe24d975beebcc41854cceef3df2702d569811358dae4203a924fb52cf5426

Download Submit
C:\ProgramData\Decoder.exe

Filesize
490KB

MD5
c29c0d495ed13e703f433d53bdffdab8

SHA1
74ed36e6b6027b61abcfe2956670ffd9de7fd71a

SHA256
20309707aa6fc678963aace7685a37839d439c850b1ba399bdbfbbeddc10ed4b

SHA512
fea4c1066ee6df3ebb29a354678a3d0f1398cd216b92b261296fcff580b00e19cefe24d975beebcc41854cceef3df2702d569811358dae4203a924fb52cf5426

Download Submit
C:\Users\Admin\AppData\Local\Temp\.cmd

Filesize
85B

MD5
73712247036b6a24d16502c57a3e5679

SHA1
65ca9edadb0773fc34db7dfefe9e6416f1ac17fa

SHA256
8bd49d7e7e6b2c2dc16a4cb0eebb8f28892775fad56c9e4aaa22d59f01883cd0

SHA512
548eef10b0118f7d907fa19c12de68b47278afffb3eb9460621efb2b711ebcf6b90d0ea1c077fc480e032bf241fb3f8cc995ec1373e301446f89f1a74a6309de

Download Submit
memory/3172-137-0x0000000000000000-mapping.dmp

Download
memory/3208-130-0x00000000002B0000-0x0000000000434000-memory.dmp

Filesize
1.5MB

Download
memory/3208-131-0x00007FF9025A0000-0x00007FF903061000-memory.dmp

Filesize
10.8MB

Download
memory/3208-138-0x00007FF9025A0000-0x00007FF903061000-memory.dmp

Filesize
10.8MB

Download
memory/4636-132-0x0000000000000000-mapping.dmp

Download
memory/4636-139-0x0000000004C60000-0x0000000005204000-memory.dmp

Filesize
5.6MB

Download
memory/4636-140-0x0000000006330000-0x00000000063C2000-memory.dmp

Filesize
584KB

Download
memory/4636-141-0x0000000006590000-0x00000000065F6000-memory.dmp

Filesize
408KB

Download
memory/4660-133-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads