echelon | 99dfe0c0529b4122889ac7023330f2749df048d0b11a91e92155d991e189f0d8

General

Target

a5e7145dc17d160b41d36dbea524c3f0.exe
Size

871KB
MD5

a5e7145dc17d160b41d36dbea524c3f0
SHA1

2ad6faea0f967df37e404d14a4c1ccca607a924e
SHA256

99dfe0c0529b4122889ac7023330f2749df048d0b11a91e92155d991e189f0d8
SHA512

672a08a7e62b1129cc2997dd77e1709e86281d89d6ab88d12e771120b7a7a15638b9e2e110d3f95cf04e319da31dedbac4727d8b67e2a2343c68d280967d83c9
SSDEEP

24576:GR1wvcupUr/Tbp0g7kpRmxC98+/WQ8mkU:AfupUzTbmzpRtWzmL

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

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:

a5e7145dc17d160b41d36dbea524c3f0.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1790404759-2178872477-2616469472-1000\Control Panel\International\Geo\Nation	a5e7145dc17d160b41d36dbea524c3f0.exe

Executes dropped EXE 2 IoCs

Processes:

1.exe2.exe

pid process

4008 1.exe
1356 2.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
T1552.001
Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service
T1102

Processes:

flow ioc

24 discord.com
25 discord.com
40 discord.com
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

19 wtfismyip.com
20 wtfismyip.com
21 api.ipify.org
23 api.ipify.org
34 ip-api.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4296 1356 WerFault.exe 2.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

2.exe1.exe

pid process

1356 2.exe
4008 1.exe
4008 1.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2.exe1.exe

description pid process

Token: SeDebugPrivilege 1356 2.exe
Token: SeDebugPrivilege 4008 1.exe

pid	process
4008	1.exe
1356	2.exe

flow	ioc
24	discord.com
25	discord.com
40	discord.com

flow	ioc
19	wtfismyip.com
20	wtfismyip.com
21	api.ipify.org
23	api.ipify.org
34	ip-api.com

pid	pid_target	process	target process
4296	1356	WerFault.exe	2.exe

pid	process
1356	2.exe
4008	1.exe
4008	1.exe

description	pid	process
Token: SeDebugPrivilege	1356	2.exe
Token: SeDebugPrivilege	4008	1.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

a5e7145dc17d160b41d36dbea524c3f0.exe

description	pid	process	target process
PID 4668 wrote to memory of 4008	4668	a5e7145dc17d160b41d36dbea524c3f0.exe	1.exe
PID 4668 wrote to memory of 4008	4668	a5e7145dc17d160b41d36dbea524c3f0.exe	1.exe
PID 4668 wrote to memory of 1356	4668	a5e7145dc17d160b41d36dbea524c3f0.exe	2.exe
PID 4668 wrote to memory of 1356	4668	a5e7145dc17d160b41d36dbea524c3f0.exe	2.exe
PID 4668 wrote to memory of 1356	4668	a5e7145dc17d160b41d36dbea524c3f0.exe	2.exe

C:\Users\Admin\AppData\Local\Temp\a5e7145dc17d160b41d36dbea524c3f0.exe
"C:\Users\Admin\AppData\Local\Temp\a5e7145dc17d160b41d36dbea524c3f0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4668

C:\Users\Admin\AppData\Local\Temp\1.exe
"C:\Users\Admin\AppData\Local\Temp\1.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4008

C:\Users\Admin\AppData\Local\Temp\2.exe
"C:\Users\Admin\AppData\Local\Temp\2.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1356 -s 1956
3⤵
- Program crash
PID:4296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1356 -ip 1356
1⤵
PID:4588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\1.exe
Filesize
1.0MB

MD5
dd3c11b27f04d8117c742743aee371fd

SHA1
1565d444ad28de48c4bf0ce25b07ef4651092621

SHA256
0ccd702f7d3bac8ad10a6690819e875dd7a1ba2a09e66b027f371e93a51bce49

SHA512
8ac46760ed0462a0e2765999b265eb6cd196ab1d7d38676d77f3ea5061d1a794d1f5e5f0d253c55bf539838e1a2764265fa16c4712fe91eeaac435a1a0046a5c

Download Submit
C:\Users\Admin\AppData\Local\Temp\2.exe
Filesize
7KB

MD5
3947b2cc3f68a712d431b5c2a2c2ee4d

SHA1
db0443ba8a6d5839e93bf59f3eed0e69c545df3b

SHA256
abfcccc38dd5217e0bc9af26c9902c22450b3ac5ae203142e89164f019419262

SHA512
f1d0b3279cffaa2bc121f6ac7b068416ebe3cc5824222e5a73d118e0528c3438d9f1e0d1c698dc9306a1a0eebfd78f29a3df283c6ed68e466d694b9a344d0991

Download Submit
C:\Users\Admin\AppData\Local\VuRuuwTJXFZTVDBT078BFBFF000306D21822155167\67078BFBFF000306D218221551VuRuuwTJXFZTVDBT\Browsers\Passwords\Passwords_Edge.txt
Filesize
426B

MD5
42fa959509b3ed7c94c0cf3728b03f6d

SHA1
661292176640beb0b38dc9e7a462518eb592d27d

SHA256
870ef3d2370932a8938faa60abd47d75ea0af98bfa11c82ae8efe9e94fd8be00

SHA512
7def291737d081c93d0cc38ac8d3062fd34d93b68d191eb0d54e9857e0c0afdbcd241471a2e10c28ce8db3b1d1ae0dba2ef6f609cfe8a1e8fe1dd103dba80007

Download Submit
C:\Users\Admin\AppData\Local\VuRuuwTJXFZTVDBT078BFBFF000306D21822155167\67078BFBFF000306D218221551VuRuuwTJXFZTVDBT\Grabber\DebugWatch.doc
Filesize
903KB

MD5
32b5c884fe7d9f9bca4a3a9a4e7bd890

SHA1
198434163f01c5726342d4eb30d260bab8f74bc9

SHA256
2d409cbdeeb841c33f408c7667585fa212fc22cbf0a07483a172ad6f5f416a2c

SHA512
512c910191cff5400b43ebba29ced7b53454c12b9b4e613534db6363b62968d417f72dc41205beffae831c9245a5b01a469e5e8fa7a5bbf1d02232ff2da9d057

Download Submit
C:\Users\Admin\AppData\Local\VuRuuwTJXFZTVDBT078BFBFF000306D21822155167\67078BFBFF000306D218221551VuRuuwTJXFZTVDBT\Grabber\ExportTrace.png
Filesize
311KB

MD5
f3fe675ac3ab3ce71a94d206ac5e1838

SHA1
354739b4be62625f7bf9c2f4a5bb9a02b6c7bdca

SHA256
9eb1fa01d2989f879ad81fba5fb9b5e315a24f21383e097cae8f2844421a1018

SHA512
e5fe07dd8035b6fdcb907ec4af4e332186485a81666f2937c8775694d5f1c6159fd81c826b8ced87576304d7061f07dbde777b2dc4c3f67482de58c325865c4e

Download Submit
C:\Users\Admin\AppData\Local\VuRuuwTJXFZTVDBT078BFBFF000306D21822155167\67078BFBFF000306D218221551VuRuuwTJXFZTVDBT\Grabber\StartRequest.doc
Filesize
357KB

MD5
8999afa8c0d7ea98ad450cd49c47e24c

SHA1
3a34d09164ca5f9ae330df0f8e3c5efe255ca881

SHA256
1a1c0e293ee669267edf39424e7e181229408c72794fdaee1d2ce4ad7937db20

SHA512
053e1319bd6b707f21b82cf4826b8b6104e26a83be77149a2840f937029c393a50fb0fc12b344d1d775515cdeb98ac5b46b2755064554e663940a0680ff8c4d8

Download Submit
memory/1356-75-0x0000000073BE0000-0x0000000074390000-memory.dmp

Filesize
7.7MB

Download
memory/1356-28-0x00000000049E0000-0x00000000049F0000-memory.dmp

Filesize
64KB

Download
memory/1356-26-0x0000000000050000-0x0000000000058000-memory.dmp

Filesize
32KB

Download
memory/1356-27-0x0000000073BE0000-0x0000000074390000-memory.dmp

Filesize
7.7MB

Download
memory/4008-29-0x0000022FE9100000-0x0000022FE9176000-memory.dmp

Filesize
472KB

Download
memory/4008-25-0x00007FFA6A900000-0x00007FFA6B3C1000-memory.dmp

Filesize
10.8MB

Download
memory/4008-21-0x0000022FE6AC0000-0x0000022FE6BCA000-memory.dmp

Filesize
1.0MB

Download
memory/4008-116-0x00007FFA6A900000-0x00007FFA6B3C1000-memory.dmp

Filesize
10.8MB

Download

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