echelon | 3b347a4641e8553c4ecbee8e6d86c32311cd9348d61eb55929aae076e82f96c3

General

Target

s.exe
Size

4.8MB
MD5

c04496520501bc6a3b3f0b7f5f875a32
SHA1

49e280e408a6df27295abf3d504003cbceeb00d8
SHA256

3b347a4641e8553c4ecbee8e6d86c32311cd9348d61eb55929aae076e82f96c3
SHA512

de333be3cd173a96579e95410fe92b8a4e5976b80451601bcf300eb2f3405be91983edb83881dd7f1d02aef6c0a5cadc00850c0536b2254ad710808d5cf183eb

Score

10^/10

echelon evasion spyware stealer themida trojan

Malware Config

Signatures

Echelon
Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.
stealer spyware echelon
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

s.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	s.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	s.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

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/2276-117-0x0000000000130000-0x0000000000131000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

s.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA s.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 14 IoCs

Processes:

s.exe

pid process

2276 s.exe
2276 s.exe
2276 s.exe
2276 s.exe
2276 s.exe
2276 s.exe
2276 s.exe
2276 s.exe
2276 s.exe
2276 s.exe
2276 s.exe
2276 s.exe
2276 s.exe
2276 s.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

376 2276 WerFault.exe s.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	s.exe

pid	pid_target	process	target process
376	2276	WerFault.exe	s.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

s.exeWerFault.exe

pid	process
2276	s.exe
2276	s.exe
2276	s.exe
2276	s.exe
2276	s.exe
2276	s.exe
376	WerFault.exe
376	WerFault.exe
376	WerFault.exe
376	WerFault.exe
376	WerFault.exe
376	WerFault.exe
376	WerFault.exe
376	WerFault.exe
376	WerFault.exe
376	WerFault.exe
376	WerFault.exe
376	WerFault.exe
376	WerFault.exe
376	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

s.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	2276	s.exe
Token: SeRestorePrivilege	376	WerFault.exe
Token: SeBackupPrivilege	376	WerFault.exe
Token: SeDebugPrivilege	376	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\s.exe
"C:\Users\Admin\AppData\Local\Temp\s.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 2524
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:376

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/2276-115-0x0000000077CD0000-0x0000000077E5E000-memory.dmp

Filesize
1.6MB

Download
memory/2276-117-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/2276-119-0x0000000005740000-0x0000000005741000-memory.dmp

Filesize
4KB

Download
memory/2276-120-0x00000000059A0000-0x00000000059A1000-memory.dmp

Filesize
4KB

Download
memory/2276-121-0x0000000006350000-0x0000000006351000-memory.dmp

Filesize
4KB

Download
memory/2276-122-0x0000000005EC0000-0x0000000005EC1000-memory.dmp

Filesize
4KB

Download
memory/2276-123-0x0000000006850000-0x0000000006851000-memory.dmp

Filesize
4KB

Download
memory/2276-124-0x00000000059A3000-0x00000000059A5000-memory.dmp

Filesize
8KB

Download
memory/2276-125-0x00000000059A5000-0x00000000059A6000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads