echelon | 6d5e3ff4357858fd6bbab3840d78714f9126a5cae6771ba45b833108c2da8b6f

Analysis

max time kernel
39s
max time network
113s
platform
windows10_x64
resource
win10v200722
submitted
21-09-2020 10:10

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General

Target

RegAsm.bin.exe
Size

649KB
MD5

91f2eb065ad2dc3a29b1f28668342e56
SHA1

1b5013438a97d9a620a6ddaf687f5e31b58fca00
SHA256

6d5e3ff4357858fd6bbab3840d78714f9126a5cae6771ba45b833108c2da8b6f
SHA512

972ed645179e5521722b7ec484f216d45c975cbaf168f794ae2457512697e30741fa7a973f59a4da9752cfe290e3cbf57bcf2d5f8445a3287de42f1c5479c441

Score

10^/10

discovery stealer spyware echelon

Malware Config

Signatures

Echelon
Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.
stealer spyware echelon
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

9 api.ipify.org
10 api.ipify.org
18 ip-api.com
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

196 timeout.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.bin.exe

pid process

3956 RegAsm.bin.exe
3956 RegAsm.bin.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.bin.exe

description pid process

Token: SeDebugPrivilege 3956 RegAsm.bin.exe

flow	ioc
9	api.ipify.org
10	api.ipify.org
18	ip-api.com

pid	process
196	timeout.exe

pid	process
3956	RegAsm.bin.exe
3956	RegAsm.bin.exe

description	pid	process
Token: SeDebugPrivilege	3956	RegAsm.bin.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

RegAsm.bin.execmd.exe

description	pid	process	target process
PID 3956 wrote to memory of 3144	3956	RegAsm.bin.exe	cmd.exe
PID 3956 wrote to memory of 3144	3956	RegAsm.bin.exe	cmd.exe
PID 3144 wrote to memory of 196	3144	cmd.exe	timeout.exe
PID 3144 wrote to memory of 196	3144	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\RegAsm.bin.exe
"C:\Users\Admin\AppData\Local\Temp\RegAsm.bin.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3956

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2A8B.tmp.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:3144

C:\Windows\system32\timeout.exe
timeout 4
3⤵
- Delays execution with timeout.exe
PID:196

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2A8B.tmp.bat

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memory/196-6-0x0000000000000000-mapping.dmp

Download
memory/3144-4-0x0000000000000000-mapping.dmp

Download
memory/3956-0-0x00007FF905800000-0x00007FF9061EC000-memory.dmp

Filesize
9.9MB

Download
memory/3956-1-0x000001D597F80000-0x000001D597F81000-memory.dmp

Filesize
4KB

Download
memory/3956-3-0x000001D599D00000-0x000001D599D70000-memory.dmp

Filesize
448KB

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